Presentations -

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  • グラフ表現を用いたテンソルネットワーク分解のためのアルゴリズム

    山本雅貴,本谷秀堅,横田達也

    情報論的学習理論ワークショップ(IBIS2024)  2024.11 

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    Event date: 2024.11

    Language:Japanese   Presentation type:Poster presentation  

  • 微小角入射X線回折を用いたZn負極/電解液界面における溶解析出挙動のその場解析

    渡邊大晃,江田登和,高林康裕,木村耕治,横田達也,佐藤尚,藤波想,林好一

    電池討論会  2024.11 

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    Event date: 2024.11

    Language:Japanese   Presentation type:Oral presentation (general)  

  • リプシッツネットワークの学習におけるリプシッツ定数の影響について

    山下淳也,本谷秀堅,横田達也

    情報論的学習理論ワークショップ(IBIS2024)  2024.11 

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    Event date: 2024.11

    Language:Japanese   Presentation type:Poster presentation  

  • 深層学習を用いた TMS コイルと頭部 MRI 画像からの灰白質上の誘導電場の回帰の検討

    牧豊大,横田達也,平田晃正,本谷秀堅

    JAMIT若手医用画像工学シンポジウム(SAMIT2024)  2024.09 

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    Event date: 2024.09

    Language:Japanese   Presentation type:Oral presentation (general)  

  • ラベル遷移行列と JoCoR によるサンプル選択を併用する悪性リンパ腫細胞核の種類識別器構築のための弱教師あり学習

    古賀諒一,小出新悟,横田達也,大島孝一,三好寛明,橋本典明,竹内一郎,本谷秀堅

    JAMIT若手医用画像工学シンポジウム(SAMIT2024)  2024.09 

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    Event date: 2024.09

    Language:Japanese   Presentation type:Oral presentation (general)  

  • WSI の階層表現モデルを用いた乳腺がん分類器の性能改善のための粗いアノテーションに基づく注意誘導

    古賀諒一,横田達也,有廣光司,本谷秀堅

    JAMIT若手医用画像工学シンポジウム(SAMIT2024)  2024.09 

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    Event date: 2024.09

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 悪性リンパ腫における細胞組織の経時変化の観察に向けた拡散モデルによる反事実病理画像の生成

    古賀諒一,横田達也,大島孝一,三好寛明,橋本典明,竹内一郎,本谷秀堅

    JAMIT若手医用画像工学シンポジウム(SAMIT2024)  2024.09 

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    Event date: 2024.09

    Language:Japanese   Presentation type:Oral presentation (general)  

  • PnP-ADMM を用いた PET 画像再構成

    早川響太,本谷秀堅,横田達也

    JAMIT若手医用画像工学シンポジウム(SAMIT2024)  2024.09 

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    Event date: 2024.09

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 拡散モデルを用いる MRI 画像の高精度復元

    福冨舜介,横田達也,本谷秀堅

    JAMIT若手医用画像工学シンポジウム(SAMIT2024)  2024.09 

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    Event date: 2024.09

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Adaptive Block Sparse Regularization under Arbitrary Linear Transform International conference

    Takanobu Furuhashi, Hidekata Hontani, Tatsuya Yokota

    EUSIPCO  2024.08 

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    Event date: 2024.08

    Language:English   Presentation type:Oral presentation (general)  

  • 非負行列分解の基礎と医用画像処理への応用 Invited

    横田達也

    大阪大学情報科学研究科ランチセミナー  2024.08 

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    Event date: 2024.08

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

  • ブロードキャスト積:テンソル形状を揃えた要素積演算

    松井勇佑,横田達也

    MIRU  2024.08 

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    Event date: 2024.08

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Adaptive Block Sparse Regularization under Arbitrary Linear Transform

    古橋敬信,本谷秀堅,横田達也

    MIRU  2024.08 

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    Event date: 2024.08

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Polya-Gamma拡張に基づくテンソルネットワークロジスティック回帰のためのEMアルゴリズム

    山内直也,本谷秀堅,横田達也

    MIRU  2024.08 

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    Event date: 2024.08

    Language:Japanese   Presentation type:Poster presentation  

  • 事後確率サンプリングとProgressive Mask Refinementによる分布のシフトに頑健な異常検知

    小野木次郎,横田達也,本谷秀堅

    MIRU  2024.08 

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    Event date: 2024.08

    Language:Japanese   Presentation type:Poster presentation  

  • 事後確率からのサンプリングによる加速MRI画像の高精度復元

    福冨舜介,Basile Maille,横田達也,本谷秀堅

    MIRU  2024.08 

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    Event date: 2024.08

    Language:Japanese   Presentation type:Poster presentation  

  • 拡散モデルを用いる異なるモダリティ画像の事後確率分布からのサンプリング

    伊藤聖,横田達也,本谷秀堅

    MIRU  2024.08 

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    Event date: 2024.08

    Language:Japanese   Presentation type:Poster presentation  

  • TMS コイルによる脳内誘導電場の回帰精度改善に向けた頭部 MRI の自己教師あり学習

    牧豊大,横田達也,平田晃正,本谷秀堅

    日本医用画像工学会大会  2024.08 

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    Event date: 2024.08

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

  • 細胞核を起点とした病理顕微鏡画像の表現学習

    田口慶,横田達也,大島孝一,三好寛明,永石美晴,橋本典明,竹内一郎,本谷秀堅

    日本医用画像工学会大会  2024.08 

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    Event date: 2024.08

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 悪性リンパ腫における細胞核の種類識別器構築のためのラベル遷移を考慮した弱教師学習

    古賀諒一,小出新悟,横田達也,大島孝一,三好寛明,永石美晴,橋本典明,竹内一郎,本谷秀堅

    日本医用画像工学会大会  2024.08 

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    Event date: 2024.08

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 細胞核画像の形とテクスチャへの特徴分離と生成モデルの構築

    村上和真,田口慶,横田達也,大島孝一,三好寛明,永石美晴,橋本典明,竹内一郎,本谷秀堅

    日本医用画像工学会大会  2024.08 

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    Event date: 2024.08

    Language:Japanese   Presentation type:Oral presentation (general)  

  • テンソルネットワーク分解の基礎と機械学習への応用 Invited

    横田達也

    ロボット工学セミナー「数理に基づく学習とその応用」  2024.07 

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    Event date: 2024.07

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

  • Tensor Completion with Adaptive Block Multi-layer Sparsity-based CP Decomposition International conference

    Takanobu Furuhashi, Hidekata Hontani, Tatsuya Yokota

    IEEE CAI Workshop  2024.06 

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    Event date: 2024.06

    Language:English   Presentation type:Poster presentation  

  • EM Algorithm for Tensor Network Logistic Regression based on Polya-Gamma Augmentation International conference

    Naoya Yamauchi, Yuta Mizuno, Hidekata Hontani, Tatsuya Yokota

    IEEE CAI Workshop  2024.06 

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    Event date: 2024.06

    Language:English   Presentation type:Oral presentation (general)  

  • ADMM-MM Algorithm for General Tensor Decomposition International conference

    Manabu Mukai, Hidekata Hontani, Tatsuya Yokota

    IEEE CAI Workshop  2024.06 

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    Event date: 2024.06

    Language:English   Presentation type:Poster presentation  

  • MIRU 2023 ダイバーシティに関わるアンケート調査報告

    王瑩,手島知昭,橋本敦史,早志英朗,柳川由紀子,山口光太,横田達也,内海ゆづ子

    CVIM研究会  2024.03 

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    Event date: 2024.03

    Language:Japanese   Presentation type:Oral presentation (general)  

  • リンパ節のHE染色画像中の細胞核の集合を入力とする濾胞セグメンテーションとサブタイプ識別

    森部瑞希,横田達也,大島孝一,三好寛明,永石美晴,橋本典明,竹内一郎,本谷秀堅

    MI研究会  2024.03 

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    Event date: 2024.03

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 不偏リスク推定量に基づくDeep Image Priorの早期終了を用いたPET画像再構成の過適合抑止

    松村海飛,本谷秀堅,坂田宗之,木村裕一,横田達也

    MI研究会  2024.03 

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    Event date: 2024.03

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 強いノイズを含む教師信号による細胞核の種別識別器の学習へのラベルの不確実情報の利用

    小出新悟,クグレ マウリシオ,横田達也,大島孝一,三好寛明,永石美晴,橋本典明,竹内一郎,本谷秀堅

    MI研究会  2024.03 

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    Event date: 2024.03

    Language:Japanese   Presentation type:Oral presentation (general)  

  • TMSのための頭部MRI画像からのTransformerを用いた誘導電場の回帰

    牧豊大,横田達也,平田晃正,本谷秀堅

    MI研究会  2024.03 

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    Event date: 2024.03

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 拡散モデルを用いた悪性リンパ腫の反事実病理画像の生成

    古賀諒一,横田達也,大島孝一,三好寛明,永石美晴,橋本典明,竹内一郎,本谷秀堅

    MI研究会  2024.03 

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    Event date: 2024.03

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Modification of DDIM Encoding for Generating Counterfactual Pathology Images of Malignant Lymphoma International conference

    Ryoichi Koga, Mauricio Kugler, Tatsuya Yokota, Kouichi Ohshima, Hiroaki Miyoshi, Miharu Nagaishi, Noriaki Hashimoto, Ichiro Takeuchi, Hidekata Hontani

    VISAPP  2024.02 

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    Event date: 2024.02

    Language:English   Presentation type:Oral presentation (general)  

  • Efficient implementation and acceleration of DIP-NMF-MM algorithm for high-precision 4D PET image reconstruction International conference

    Yoshinao Yuasa, Kaito Matsumura, Tatsuya Yokota, Satoshi Ohshima, Hidekata Hontani, Toru Nagai, Yuichi Kimura, Muneyuki Sakata, Takahiro Katagiri

    HPC Asia  2024.01 

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    Event date: 2024.01

    Language:English   Presentation type:Poster presentation  

  • ランダム化SVDにおける自動ランク決定法およびテンソル分解への応用

    渡邉大樹,本谷秀堅,横田達也

    信号処理シンポジウム  2023.11 

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    Event date: 2023.11

    Language:Japanese   Presentation type:Oral presentation (general)  

  • テンソルリング分解におけるランク決定のための評価基準の検討について

    園部寛幸,本谷秀堅,横田達也

    信号処理シンポジウム  2023.11 

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    Event date: 2023.11

    Language:Japanese   Presentation type:Oral presentation (general)  

  • テンソル分解に基づく線形逆問題のためのADMM-MMアルゴリズム

    向井学,本谷秀堅,横田達也

    信号処理シンポジウム  2023.11 

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    Event date: 2023.11

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Zn負極/電解液界面における微小角入射X線回折測定を用いたin-situ評価

    吉川崇大,渡邊大晃,山本美樹,高林康裕,木村耕治,横田達也,藤波想,林好一

    電池討論会  2023.11 

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    Event date: 2023.11

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 因果推論に基づく悪性リンパ腫の定量評価基準構築に向けた拡散モデルによる反事実画像の生成

    古賀諒一,クグレマウリシオ,横田 達也,大島 孝一,三好 寛明,永石 美晴,橋本 典明,竹内 一郎,本谷 秀堅

    情報論的学習理論ワークショップ(IBIS2023)  2023.10 

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    Event date: 2023.10

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 平滑畳み込みテンソル分解によるテンソル補完

    高山拓夢,横田達也

    情報論的学習理論ワークショップ(IBIS2023)  2023.10 

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    Event date: 2023.10

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 任意の線形変換に基づく特徴空間での適応的ブロックスパース正則化

    古橋敬信,本谷秀堅,横田達也

    情報論的学習理論ワークショップ(IBIS2023)  2023.10 

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    Event date: 2023.10

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 悪性リンパ腫病理画像の定量評価基準構築に向けた 反事実画像生成のための条件付き拡散モデルの検討

    古賀諒一,クグレマウリシオ,横田 達也,大島 孝一,三好 寛明,永石 美晴,橋本 典明,竹内 一郎,本谷 秀堅

    JAMIT若手医用画像工学シンポジウム(SAMIT2023)  2023.10 

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    Event date: 2023.10

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 曖昧ラベルからの補ラベル学習を用いた悪性リンパ腫病理画像における細胞核分類器の構築と濾胞性リンパ腫の悪性度定量化の試み

    古賀諒一,クグレマウリシオ,横田 達也,大島 孝一,三好 寛明,永石 美晴,橋本 典明,竹内 一郎,本谷 秀堅

    JAMIT若手医用画像工学シンポジウム(SAMIT2023)  2023.10 

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    Event date: 2023.10

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 非負行列分解とダイナミックPETイメージング Invited

    横田達也

    JAMIT若手医用画像工学シンポジウム(SAMIT2023)  2023.10 

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    Event date: 2023.10

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

  • 濾胞性リンパ腫の悪性度の定量化に向けた補ラベル学習を用いた細胞核分類器の構築

    古賀諒一,クグレマウリシオ,横田 達也,大島 孝一,三好 寛明,永石 美晴,橋本 典明,竹内 一郎,本谷 秀堅

    MI研究会  2023.09 

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    Event date: 2023.09

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 確率密度推定に基づく胸部CT画像に対する異常領域の検出

    飛世裕貴,クグレ マウリシオ,横田達也,橋本正弘,大竹義人,明石敏昭,清水昭伸,本谷秀堅

    MI研究会  2023.03 

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    Event date: 2023.03

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 悪性リンパ腫の定量評価基準構築に向けた反事実画像の生成

    古賀諒一,クグレ マウリシオ,横田達也,大島孝一,三好寛明,永石美晴,橋本典明,竹内一郎,本谷秀堅

    MI研究会  2023.03 

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    Event date: 2023.03

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 病理顕微鏡画像のアノテーションラベルの高精度化

    安間大貴,クグレ マウリシオ,横田達也,有廣光司,本谷秀堅

    MI研究会  2023.03 

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    Event date: 2023.03

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 回転同変なニューラルネットワークの医用画像処理応用

    荻野良太,本谷秀堅,横田達也,クグレ マウリシオ

    MI研究会  2023.03 

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    Event date: 2023.03

    Language:Japanese   Presentation type:Oral presentation (general)  

  • MMアルゴリズムを用いた4次元PET画像再構成の高速化

    湯淺義尚,松村海飛,横田達也,大島聡史,本谷秀堅,片桐孝洋,永井亨

    情報処理学会全国大会  2023.03 

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    Event date: 2023.03

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 遅延埋め込み空間におけるテンソル分解と多様体学習 Invited

    横田達也

    電子情報通信学会総合大会  2023.03 

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    Event date: 2023.03

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

  • Generation of Counterfactual Images to Construct Criteria for Quantitatively Evaluating Subtypes in Malignant Lymphoma International conference

    Ryoichi Koga, Mauricio Kugler, Tatsuya Yokota, Kouichi Ohshima, Hiroaki Miyoshi, Miharu Nagaishi, Noriaki Hashimoto, Ichiro Takeuchi, Hidekata Hontani

    IFMIA  2023.01 

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    Event date: 2023.01

    Language:English   Presentation type:Oral presentation (general)  

  • Stain Conversion from H&E to BRAF by using StyleGAN International conference

    Toyohiro Maki, Mauricio Kugler, Tatsuya Yokota, Satomi hatta, Kunihiro Inai, and Hidekata Hontani

    IFMIA  2023.01 

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    Event date: 2023.01

    Language:English   Presentation type:Oral presentation (general)  

  • Anomaly Detection for Chest CT Images using Normalizing Flow International conference

    Hiroki Tobise, Mauricio Kugler, Tatsuya Yokota, Masahiro Hashimoto, Yoshito Otake, Toshiaki Akashi, Akinobu Shimizu and Hidekata Hontani

    IFMIA  2023.01 

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    Event date: 2023.01

    Language:English   Presentation type:Oral presentation (general)  

  • Graph neural network for identification of malignant lymphoma subtypes and class activation visualization of cell tissue anomality International conference

    Tanaka H., Hashimoto N., Yokota T., Kugler M., Ohshima K., Miyoshi H., Nagaishi M., Takeuchi I., Hontani H.

    IFMIA  2023.01 

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    Event date: 2023.01

    Language:English   Presentation type:Oral presentation (general)  

  • Construction of Classifier for malignant lymphoma nuclei using label propagation International conference

    Koide S., Kugler M., Yokota T., Ohshima K., Miyoshi H., Nagaishi M., Hashimoto N., Takeuchi I., Hontani H.

    IFMIA  2023.01 

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    Event date: 2023.01

    Language:English   Presentation type:Oral presentation (general)  

  • ダイナミックPET画像再構成における非負行列分解の安定な最適化

    松村海飛,本谷秀堅,坂田宗之,木村裕一,横田達也

    信号処理シンポジウム  2022.12 

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    Event date: 2022.12

    Language:Japanese   Presentation type:Oral presentation (general)  

  • ランダム化アルゴリズムを用いたテンソル分解の高速化

    渡邉大樹,本谷秀堅,横田達也

    信号処理シンポジウム  2022.12 

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    Event date: 2022.12

    Language:Japanese   Presentation type:Oral presentation (general)  

  • MGP縮退事前分布を用いたテンソル補完及びランク決定法

    高山拓夢,Qibin Zhao,本谷秀堅,横田達也

    情報論的学習理論ワークショップ(IBIS2022)  2022.11 

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    Event date: 2022.11

    Language:Japanese   Presentation type:Poster presentation  

  • Consistent MDT-Tucker: A Hankel Structure Constrained Tucker Decomposition in Delay Embedded Space International conference

    R. Yamamoto, H. Hontani, A. Imakura, and T. Yokota

    APSIPA-ASC 

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    Event date: 2022.11

    Language:English   Presentation type:Oral presentation (general)  

  • Fast Signal Completion Algorithm With Cyclic Convolutional Smoothing International conference

    H. Takayama, and T. Yokota

    APSIPA-ASC 

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    Event date: 2022.11

    Language:English   Presentation type:Oral presentation (general)  

  • テンソル分解のアルゴリズムとその応用 Invited

    横田達也

    離散的手法による場と時空のダイナミクス 

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    Event date: 2022.08

    Language:Japanese   Presentation type:Oral presentation (general)  

  • テンソル分解の基礎と応用 Invited

    横田達也

    MIRU(チュートリアル) 

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    Event date: 2022.07

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Graph Neural Network による悪性リンパ腫のサブタイプ識別と識別根拠となる細胞核の可視化

    田中 寛武,橋本 典明,横田 達也,クグレマウリシオ,大島 孝一,三好 寛明,永石 美晴, 竹内 一郎,本谷 秀堅

    日本医用画像工学会大会  2022.07 

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    Event date: 2022.07

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Contrastive Learning に基づく次元削減による胸部 CT 画像に対する異常検知

    飛世 裕貴,クグレマウリシオ,横田 達也,橋本 正弘,大竹 義人,明石 敏昭,清水 昭伸, 本谷 秀堅

    日本医用画像工学会大会  2022.07 

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    Event date: 2022.07

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 悪性リンパ腫細胞核画像の低次元表現獲得と特徴の集合に基づくサブタイプ識別器の構築

    小出 新悟,橋本 典明,横田 達也,クグレマウリシオ,大島 孝一,三好 寛明,永石 美晴, 竹内 一郎,本谷 秀堅

    日本医用画像工学会大会  2022.07 

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    Event date: 2022.07

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Fast Algorithm for Low-rank Tensor Completion in Delay-embedded Space International conference

    R. Yamamoto, H. Hontani, A. Imakura, and T. Yokota

    CVPR 

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    Event date: 2022.06

    Language:English   Presentation type:Poster presentation  

  • 数理モデルによる画像修復

    横田達也

    ACT-I先端研究フォーラム 

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    Event date: 2022.03

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Contrastive Learningに基づく次元削減によるCovid-19の胸部CT画像に対する異常検知

    飛世裕貴,クグレ マウリシオ,横田達也,橋本正弘,大竹義人,明石敏昭,清水昭伸,本谷秀堅

    MI研究会  2022.01 

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    Event date: 2022.01

    Language:Japanese   Presentation type:Oral presentation (general)  

  • FAST ALGORITHM FOR LOW-RANK TENSOR COMPLETION IN DELAY EMBEDDED SPACE International conference

    R. Yamamoto, T. Yokota, A. Imakura, H. Hontani

    APSIPA ASC 

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    Event date: 2021.12

    Language:English   Presentation type:Oral presentation (general)  

  • Advanced Topics of Prior-based Image Restoration: Tensors and Neural Networks Invited International conference

    T. Yokota

    APSIPA ASC 

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    Event date: 2021.12

    Language:English   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

  • Neural Tangent KernelによるDeep Image Priorの解析

    藤田和真,本谷秀堅,横田達也

    信号処理シンポジウム 

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    Event date: 2021.11

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 3次元再構成した膵癌腫瘍の病理顕微鏡画像中の新生血管構造記述

    石牧祐香,横田達也,クグレ マウリシオ,本谷秀堅

    MI研究会 

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    Event date: 2021.11

    Language:Japanese   Presentation type:Oral presentation (general)  

  • MR 画像からの 3 次元導電率分布の回帰による TMS のための誘導電場の回帰精度の改善

    牧豊大,横田達也,平田晃正,本谷秀堅

    日本医用画像工学会大会 

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    Event date: 2021.10

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 免疫染色データを利用するHE免疫染色データを利用するHE染色画像に基づく悪性リンパ腫のサブタイプ識別器構築

    廣野勇起,橋本典明,マウリシオ クグレ,横田達也,永石美晴,三好寛明,大島孝一,竹内一郎,本谷秀堅

    MI研究会 

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    Event date: 2021.07

    Language:English   Presentation type:Oral presentation (general)  

  • 深層学習と基礎方程式を用いたTMSのための誘導電場の回帰

    牧豊大,宇川義一,村上丈伸,横田達也,平田晃正,本谷秀堅

    MI研究会 

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    Event date: 2021.05

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 高階遅延埋め込み空間における低ランクテンソル補完の高速アルゴリズム

    山本龍宜, 横田達也, 今倉 暁, 本谷秀堅

    PRMU研究会 

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    Event date: 2020.12

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Tensor Representations in Signal Processing and Machine Learning International conference

    Tatsuya Yokota

    APSIPA ASC 2020 

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    Event date: 2020.12

    Language:English   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

  • 信号処理と機械学習による画像復元 Invited

    横田達也

    第5回統計・機械学習若手シンポジウム 

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    Event date: 2020.12

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

  • Nonnegative Matrix Factorization in Application to Dynamic PET image reconstruncion Invited International conference

    Tatsuya Yokota

    RIKEN AIP Open Seminar 

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    Event date: 2020.11

    Language:English   Presentation type:Oral presentation (invited, special)  

  • 画像復元のための高階埋め込み多様体モデルの研究 Invited

    横田達也

    MI研究会/FIT2020 

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    Event date: 2020.09

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

  • 膵癌腫瘍のMRI画像と顕微鏡病理画像を統合するマルチスケールモデルの構築

    下村 智茂,マウリシオ クグレ,横田 達也,岩本 知佳,大内田 研宙,橋爪 誠,本谷 秀堅

    MIRU 

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    Event date: 2020.08

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Dynamic PET Image Reconstruction Using Nonnegative Matrix Factorization Incorporated With Deep Image Prior Invited

    横田達也,河合和也,本谷秀堅,坂田宗之,木村裕一

    MIRU 

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    Event date: 2020.08

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

  • 高階埋め込みテンソルモデリングの研究

    横田達也

    ACT-I先端研究フォーラム 

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    Event date: 2020.05

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Block Hankel Tensor ARIMA for Multiple Short Time Series Forecasting International conference

    Q. SHI, J. YIN, J. CAI, A. Cichocki, T. Yokota, L. CHEN, M. Yuan, and J. Zeng

    AAAI 

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    Event date: 2020.02

    Language:English   Presentation type:Poster presentation  

    Venue:NY, USA  

  • 病理画像の染色変換に本質的な特徴の抽出と可視化の試み

    古賀諒一,橋本典明,横田達也,中黒匡人,高野 桂,中村栄男,竹内一郎,本谷秀堅

    MI研究会 

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    Event date: 2020.01

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 免疫染色の組み合わせの表現のための非負行列分解による基底ベクトルの獲得

    黄 果葡,橋本典明,横田達也,中黒匡人,高野 桂,中村栄男,竹内一郎,本谷秀堅

    MI研究会 

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    Event date: 2020.01

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 病理顕微鏡画像の複数免疫染色間の相互変換と特徴空間の共有

    足立秀雄,クグレ マウリシオ,岩本千佳,大内田研宙,橋爪 誠,横田達也,本谷秀堅

    MI研究会 

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    Event date: 2020.01

    Language:English   Presentation type:Oral presentation (general)  

  • Deep Image Prior とサイノグラム正規化によるX線CT画像中の金属アーチファクトの高精度除去

    佐竹寛弥,横田達也,大竹義人,佐藤嘉信,本谷秀堅

    MI研究会 

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    Event date: 2020.01

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Construction of a Multi-modal Model of Pancreatic Tumors by Integration of MRI and Pathological Images using Conditional Cycle alpha-GAN International conference

    T. Shimomura, M. Kugler, T. Yokota, C. Iwamoto, K. Ohuchida, M. Hashizume, and H. Hontani

    ICCV Workshop 

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    Event date: 2019.11

    Language:English   Presentation type:Poster presentation  

  • Dynamic PET Image Reconstruction Using Nonnegative Matrix Factorization Incorporated with Deep Image Prior International conference

    T. Yokota, K. Kawai, M. Sakata, Y, Kimura, and H, Hontani

    ICCV 

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    Event date: 2019.11

    Language:English   Presentation type:Oral presentation (general)  

  • Multiway Delay Embedding Transform for Tensors and its Applications Invited International conference

    Tatsuya Yokota

    RIKEN-AIP Public Seminar 

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    Event date: 2019.10

    Language:English   Presentation type:Oral presentation (invited, special)  

  • Deep Image Priorを利用した非負行列分解に基づくダイナミックPET画像再構成

    下村智茂,河合和也,坂田宗之,木村裕一,横田達也,本谷秀堅

    MI研究会 

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    Event date: 2019.09

    Language:Japanese   Presentation type:Oral presentation (general)  

  • TMS 検査のための脳 MRI 画像からの誘導電流強度の回帰とその推定誤差分散推定

    牧豊大,酒井隆志,Ilkka Laakso,宇川義一,村上丈伸,横田達也,平田晃正,本谷秀堅

    日本医用画像工学会大会 

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    Event date: 2019.07

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 膵癌腫瘍病理顕微鏡画像の染色変換

    足立秀雄,マウリシオクグレ,横田達也,岩本千佳,大内田研宙,橋爪誠,本谷秀堅

    日本医用画像工学会大会 

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    Event date: 2019.07

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 所見テキスト解析を用いる H&E 染色病理画像からの免疫染色群推定

    黄果葡,橋本典明,横田達也,中黒匡人,高野桂,中村栄男,竹内一郎,本谷秀堅

    日本医用画像工学会大会 

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    Event date: 2019.07

    Language:Japanese   Presentation type:Oral presentation (general)  

  • MR 画像と病理画像の統合による膵癌腫瘍の多重解像度モデルの構築

    下村智茂,マウリシオクグレ,横田達也,岩本千佳,大内田研宙,橋爪誠,本谷秀堅

    日本医用画像工学会大会 

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    Event date: 2019.07

    Language:Japanese   Presentation type:Oral presentation (general)  

  • ドメイン敵対的学習を用いる病理画像からの悪性リンパ腫候補領域の抽出と病型識別

    古賀諒一,橋本典明,横田達也,中黒匡人,高野桂,中村栄男,竹内一郎,本谷秀堅

    日本医用画像工学会大会 

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    Event date: 2019.07

    Language:Japanese   Presentation type:Oral presentation (general)  

  • シミュレーションデータを利用するTMSコイルによる脳内誘導電解の実時間推定器の構築

    本谷秀堅,牧豊大,横田達也,ラークソイルッカ,平田晃正

    EST研究会 

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    Event date: 2019.05

    Language:Japanese   Presentation type:Oral presentation (general)  

  • MR画像と病理画像の統合による膵癌腫瘍の多重解像度モデルの構築

    下村智茂,クグレマウリシオ,横田達也,岩本千佳,大内田研宙,橋爪誠,本谷秀堅

    MI研究会 

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    Event date: 2019.05

    Language:Japanese   Presentation type:Oral presentation (general)  

  • CONSTRUCTION OF MULTIMODAL 3D MODEL OF PANCREATIC CANCER TUMOR International conference

    Y. Goto, H. Hontani, T. Yokota, M. Kugler, C. Iwamoto, K. Ohuchida, and M. Hashizume

    IWAIT-IFMIA 

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    Event date: 2019.01

    Language:English   Presentation type:Oral presentation (general)  

  • Registration between histopathological images with different stains and an MRI Image of Pancreatic Cancer Tumor International conference

    H. Hontani, Y. Goto, Y. Tamura, T. Shimomura, N. Kawamura, H. Kobayashi, M. Kugler, T. Yokota, C. Iwamoto, K. Ohuchida, M. Hashizume, T. Katagiri, T. Sei, and A. shimizu

    IWAIT-IFMIA 

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    Event date: 2019.01

    Language:English   Presentation type:Oral presentation (general)  

  • PARTIAL RIGID DIFFEOMORPHISM FOR MEASURING TEMPORAL CHANGE OF PANCREATIC CANCER TUMOR International conference

    Y. Tamura, T. Yokota, M. Kugler, V. Triquet, T. Sei, C. Iwamoto, K. Ohuchida, M. Hashizume, and H. Hontani

    IWAIT-IFMIA 

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    Event date: 2019.01

    Language:English   Presentation type:Oral presentation (general)  

  • 免疫染色情報を用いた悪性リンパ腫のサブタイプ分類に関する一検討

    橋本典明,黄 果葡,福島大祐,横田達也,中黒匡人,高野 桂,中村栄男,竹内一郎,本谷秀堅

    MI研究会 

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    Event date: 2019.01

    Language:English   Presentation type:Oral presentation (general)  

  • Simultaneous PET Image reconstruction and Feature Extraction Method Using Non-negative, Smooth, and Sparse Matrix Factorization International conference

    K. Kawai, H. Hontani, T. Yokota, M. Sakata, Y. Kimura

    APSIPA-ASC 2018 

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    Event date: 2018.11

    Language:English   Presentation type:Oral presentation (general)  

    Venue:USA  

  • Tensor Completion with Shift-invariant Cosine Bases International conference

    T. Yokota, H. Hontani

    APSIPA-ASC 2018 

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    Event date: 2018.11

    Language:English   Presentation type:Oral presentation (general)  

    Venue:USA  

  • Accurate 3D reconstruction of a whole pancreatic cancer tumor from pathology images with different stains International conference

    M. Kugler, Y. Goto, N. Kawamura, H. Kobayashi, T. Yokota, C. Iwamoto, K. Ohuchida, M Hashizume, H. Hontani

    MICCAI COMPAY 2018 Workshop 

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    Event date: 2018.09

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Spain  

  • Construction of a Generative Model of H&E Stained Pathology Images of Pancreas Tumors Conditioned by a Voxel Value of MRI Image International conference

    T. Shimomura, K. Mauricio, T. Yokota, C. Iwamoto, K. Ohuchia, M. Hashizume, H. Hontani

    MICCAI COMPAY 2018 Workshop 

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    Event date: 2018.09

    Language:English   Presentation type:Poster presentation  

    Venue:Spain  

  • 膵癌腫瘍のマルチモーダル 3 次元モデルの構築と 3 次元ミクロ解剖構造解析

    五嶋 優詞

    日本医用画像工学会大会 

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    Event date: 2018.07

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 膵癌腫瘍の経時変化計測のための部分剛体微分同相写像

    田村 友輝

    日本医用画像工学会大会 

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    Event date: 2018.07

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Missing Slice Recovery for Tensors Using a Low-rank Model in Embedded Space International conference

    T. Yokota, B. Erem, S. Guler, S. Warfield, and H. Hontani

    CVPR 2018 

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    Event date: 2018.06

    Language:English   Presentation type:Poster presentation  

  • 3次元臓器形状の大変形微分同相写像と非線形多様体上の統計形状モデル

    橋口 拓也, 物部 峻太郎, 本谷 秀堅, 横田達也

    MI研究会 

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    Event date: 2018.05

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 深層学習を用いた上腕部超音波画像からの上腕動脈領域の自動抽出

    佐野景介, 横田達也, マウリシオクグレ, 鈴木英範, 益田博之, 本谷秀堅

    MI研究会 

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    Event date: 2018.03

    Language:Japanese   Presentation type:Oral presentation (general)  

  • LAPGANを利用する膵臓腫瘍の顕微鏡病理画像の多重解像度モデルの生成

    下村智茂, 横田達也, 岩本千佳, 大内田研宙, 橋爪誠, 本谷秀堅

    MI研究会 

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    Event date: 2018.03

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Landmark-based reconstruction of 3D smooth structures from serial histological sections International conference

    N. Kawamura, H. Kobayashi, T. Yokota, H, Hontani, C. Iwamoto, K. Ohuchida, and M. Hashizume

    SPIE Medical Imaging 2018 

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    Event date: 2018.02

    Language:English   Presentation type:Poster presentation  

  • A Robust PET Image Reconstruction using Constrained Non-negative Matrix Factorization International conference

    K. Kawai, J. Yamada, H. Hontani, T. Yokota, M. Sakata, and Y. Kimura

    Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC) 2017 

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    Event date: 2017.12

    Language:English   Presentation type:Oral presentation (general)  

    Venue:マレーシア  

  • An Efficient Method for Adapting Step-size Parameters of Primal-dual Hybrid Gradient Method in Application to Total Variation Regularization International conference

    T. Yokota, and H. Hontani

    Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC) 2017 

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    Event date: 2017.12

    Language:English   Presentation type:Oral presentation (general)  

    Venue:マレーシア  

  • Simultaneous Visual Data Completion and Denoising based on Tensor Rank and Total Variation Minimization and its Primal-dual Splitting Algorithm International conference

    T. Yokota, and H. Hontani

    IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) 2017 

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    Event date: 2017.07

    Language:English   Presentation type:Poster presentation  

    Venue:ハワイ  

  • q-正規分布における最尤推定法について

    本谷秀堅,河村直輝,横田達也,松添博

    医用画像研究会 

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    Event date: 2017.07

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Graphical LASSOで共分散行列を疎にしたときに得られる統計形状モデルについて

    本谷秀堅,伊藤寛,横田達也

    医用画像研究会 

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    Event date: 2017.07

    Language:Japanese   Presentation type:Oral presentation (general)  

  • MR超画像のための大域事前情報に基づく正則化凸射影法

    河村 直輝, 横田達也, 本谷 秀堅

    日本医用画像工学会大会 

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    Event date: 2017.07

    Language:Japanese   Presentation type:Oral presentation (general)  

  • Restoration of Temporal Image Sequence from a Single Image Captured by a Correlation Image Sensor International conference

    K. Kawade, A. Wakita, T. Yokota, H. Hontani, and S. Ando

    International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISAPP) 2017 

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    Event date: 2017.02 - 2017.03

    Language:English   Presentation type:Oral presentation (general)  

    Venue:ポルトガル  

  • Automatic detection of brachial artery in ultrasound images for a flow meditated dilation test International conference

    K. Sano, H. Masuda, K. Sano, H. Suzuki, T. Koyama, T. Yokota, and H. Hontani

    International Forum on Medical Imaging in Asia (IFMIA) 2017 

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    Event date: 2017.01

    Language:English   Presentation type:Poster presentation  

    Venue:沖縄  

  • アミロイドβ経時変化モデル構築のためのSparse NMFを用いたPET画像解析

    永田達也,本谷秀堅, 横田達也,木村裕一,伊藤康一,加藤隆司,岩田香織,中村昭範

    MI研究会 

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    Event date: 2017.01

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 空間の低ランク性と平滑性を考慮したフーリエ係数最適化によるMR超解像

    河村直輝, 横田達也,本谷秀堅

    MI研究会 

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    Event date: 2017.01

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 低ランク非負行列分解を用いたダイナミックPET同時再構成の初期検討

    山田純也,本谷秀堅, 横田達也,坂田宗之,木村裕一

    MI研究会 

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    Event date: 2016.11

    Language:Japanese   Presentation type:Oral presentation (general)  

  • 低ランク性および平滑性を用いたテンソルデータ補完 Invited

    横田達也

    医用画像研究会  電子情報通信学会

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    Event date: 2016.09

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:東京農工大学  

  • 時間相関イメージセンサで計測した静止画からのTV-正則化による高精度動画再構成

    脇田章裕,川出康平,横田達也,本谷秀堅,安藤繁

    コンピュータビジョンとイメージメディア研究会  情報処理学会

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    Event date: 2016.09

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:富山大学  

  • Super Resolution of MR images via TV-minimization in Signal Space and Spectrum Fitting in Fourier Space

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    Event date: 2016.07

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • Multilinear rank selection for denoising and dimensionality reduction of multiway data

    Namgil Lee, Tatsuya Yokota, Andrzej Cichocki

    The Korean Statistical Society Spring Conference 2016  Korean Statistical Society

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    Event date: 2016.05

    Presentation type:Oral presentation (general)  

    Venue:Deagu, South Korea  

  • Tensor Completion via Functional Smooth Component Deflation International conference

    T. Yokota, A. Cichocki

    The 41st IEEE International Conference on Acoustics, Speech and Signal Processing 

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    Event date: 2016.03

    Language:English   Presentation type:Poster presentation  

    Venue:Shanghai, China  

  • A fast automatic rank determination algorithm for noisy low-rank matrix completion International conference

    T. Yokota, A. Cichocki

    Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2015) 

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    Event date: 2015.12

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Hong-Kong  

  • Smooth PARAFAC Decomposition for Tensor Completion International conference

    T. Yokota, A. Cichocki

    Low-rank Optimization and Applications 

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    Event date: 2015.06

    Language:English   Presentation type:Poster presentation  

    Venue:Bonn, Germany  

  • Multilinear tensor rank estimation via sparse Tucker decomposition International conference

    T. Yokota, A. Cichocki

    Joint 7th International Conference on Soft Computing and Intelligent Systems and 15th International Symposium on Advanced Intelligent Systems (SCIS&ISIS2014) 

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    Event date: 2014.12

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Kita-Kyushu  

  • Linked Tucker2 decomposition for flexible multi-block data analysis International conference

    T. Yokota, A. Cichocki

    21st International Conference on Neural Information Processing 

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    Event date: 2014.11

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Kuching, Malaysia  

  • B-Spline Smoothing of Feature Vectors in Nonnegative Matrix Factorization International conference

    R. Zdunek, A. Cichocki, T. Yokota

    International Conference on Artificial Intelligence and Soft Computing 

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    Event date: 2014.06

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Zakopane, Poland  

  • 多カーネルを用いた二次制約MAPによるパラメータレスの識別器の実現

    鷲沢嘉一, 横田達也, 山下幸彦

    第28回 信号処理シンポジウム 

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    Event date: 2013.11

    Language:Japanese   Presentation type:Poster presentation  

    Venue:海峡メッセ下関 国際貿易ビル  

  • Inter-subject Common Spatial Pattern Filter for Motor Imagery based Brain Computer Interface

    YOKOTA Tatsuya, YAMASHITA Yukihiko, CICHOCKI Andrzej

    The Institute of Electronics, Information and Communication Engineers

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    Event date: 2013.11

    Language:Japanese   Presentation type:Poster presentation  

    Motor imagery based brain computer interface is a technique to control some device (e.g., wheelchair) through motor imagery brain signals. In order to achieve this, supervised learning techniques, which use enough numbers of training samples, are often applied to learn the parameters of spacial filter. However, the recording process of the training samples of motor imagery brain signals requires great time and effort. Our goal is to reduce this load by proposing new parameter learning methods. In this paper, we propose new algorithms to learn the parameters of common spatial pattern filter by using dataset of multiple subject for the motor imagery based brain computer interface, called the "inter-subject common spatial pattern (ISCSP) filter". Use of the ISCSP filter can reduce the load of user to record user's motor imagery brain signals, since it needs to use a few or no samples of user's motor imagery data. In experiments, we show the validities of our methods.

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  • Heteroscedastic Gaussian based Correction term for Fisher Discriminant Analysis and Its Kernel Extension International conference

    T. Yokota, T. Wakahara, Y. Yamashita

    2013 International Joint Conference on Neural Networks 

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    Event date: 2013.08

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Dallas, USA  

  • Correction Term of Fisher Discriminant Analysis Based on Normal Distribution

    YOKOTA Tatsuya, WAKAHARA Toru, SAKANO Hitoshi, YAMASHITA Yukihiko

    Technical report of IEICE. PRMU  The Institute of Electronics, Information and Communication Engineers

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    Event date: 2013.03

    Language:Japanese   Presentation type:Oral presentation (general)  

    Fisher's linear discriminant is one of the most basic feature extraction methods for pattern recognition. However, even if the distributions of patters is normal but if the correlation matrices of patterns are not the same among categories, it does not provide the best features to classify the patterns. In this paper, we assume that the distributions of patterns are normal and provide two criteria, the one using the distribution of the rival categories as weight and the other based on the Chernoff distance of distributions. We derive corrections terms for the generalized eigenvalue problem for the case of one feature extraction in two class classification. Furthermore, we evaluate its performance by using 2-dimensional normal distributions and MNIST database.

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  • Linked PARAFAC/CP Tensor Decomposition and Its Fast Implementation for Multi-block Tensor Analysis International conference

    T. Yokota, A. Cichocki, Y. Yamashita

    19th International Conference on Neural Information Processing 

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    Event date: 2012.11

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Doha, Qatar  

  • EEG Beta Range Dynamics and Emotional Judgments of Face and Voices International conference

    K. Taniguchi-Hiyoshi, M. Kawasaki, T. Yokota, H. Bakardjian, H. Fukuyama, F. Vialatte, and A. Cichocki

    4th International Joint Conference on Computational Intelligence 

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    Event date: 2012.05

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Barceloca, Spain  

  • Support Vector Machine with Weighted Regularization International conference

    T. Yokota, Y. Yamashita

    International Conference on Neural Infomation Processing 

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    Event date: 2011.11

    Language:English   Presentation type:Poster presentation  

    Venue:Shanghai, China  

  • Quadratically Constrained Maximum A Posteriori Estimation for Binary Classifier International conference

    T. Yokota, Y. Yamashita

    International Conference on Machine Learning and Data Mining 

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    Event date: 2011.08 - 2011.09

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Newark Wyndham Garden Airport Hotel, USA  

  • A New Quadratically Constrained Criterion based on Maximum a Posteriori Estimation for Binary Classifier

    YOKOTA Tatsuya, YAMASHITA Yukihiko

    IEICE technical report  The Institute of Electronics, Information and Communication Engineers

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    Event date: 2010.10

    Language:Japanese   Presentation type:Poster presentation  

    In this paper we propose a new criterion of classifier based on maximum a posteriori (MAP) for a binary problem without estimating the posterior probability. In the method, not the posteriori probability but a discriminant function that provides the same result with a MAP classifier is estimated directly. Its criterion consists of the maximization of expectation of a cost function and a quadratic constraint of the discriminant function. The goal of this paper is to propose a novel classifier based on the criterion and to conduct experiments its classifier to show its advantage.

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  • ワンショット表面形状測定における局所モデル適合法の誤差解析

    横田達也,杉山将,小川英光,北川克一,鈴木一嘉

    精密工学会 2009年度春季大会 

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    Event date: 2009.03

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:中央大学後楽園キャンパス  

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