Publications

2026

1. 

   Conference CVPR 2026

   Ghost-FWL: A Large-Scale Full-Waveform LiDAR Dataset for Ghost Detection and Removal

   Ikeda*, Kazuma and Hara*, Ryosei and Nagata, Rokuto and Sako, Ozora and Ding, Zihao and Kado, Takahiro and Fujioka, Ibuki and Beppu, Taro and Isogawa, Mariko and Yoshioka, Kentaro

   IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2026

   (Top Conference in Computer Vision, h5-index=450, Acceptance Rate: 25.42%)
   ^* Equal contribution

   Project Paper Supp Code arXiv Video Bib

   Copy

   @inproceedings{ikeda2026ghostfwl,
     title = {Ghost-FWL: A Large-Scale Full-Waveform LiDAR Dataset for Ghost Detection and Removal},
     author = {Ikeda*, Kazuma and Hara*, Ryosei and Nagata, Rokuto and Sako, Ozora and Ding, Zihao and Kado, Takahiro and Fujioka, Ibuki and Beppu, Taro and Isogawa, Mariko and Yoshioka, Kentaro},
     booktitle = {IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)},
     year = {2026},
     pages = {17164-17173},
   }

2. 

   Conference

   Event-Based Batting Impact Estimation

   Ishida, Ryotaro and Ikeda, Wataru and Hara, Ryosei and Kobayashi, Akemi and Kimura, Toshitaka and Isogawa, Mariko

   IEEE International Conference on Image Processing (ICIP), 2026

   arXiv Bib

   Copy

   @inproceedings{ishida2026eventimpact,
     title = {Event-Based Batting Impact Estimation},
     author = {Ishida, Ryotaro and Ikeda, Wataru and Hara, Ryosei and Kobayashi, Akemi and Kimura, Toshitaka and Isogawa, Mariko},
     booktitle = {IEEE International Conference on Image Processing (ICIP)},
     year = {2026},
   }

3. Talk

   Ghost-FWL:ゴースト検出・除去のための大規模フルウェーブフォームLiDARデータセットとフレームワーク

   池田和真* and 原涼成*

   第25回情報科学技術フォーラム (FIT2026), 2026

   トップコンファレンスセッション：トップコンファレンス6-1 画像工学 （*: 共同で講演）
   Original paper presented at CVPR 2026. *Equal contribution

   Website
4. Talk

   Ghost-FWL: A Large-Scale Full-Waveform LiDAR Dataset for Ghost Detection and Removal

   Ikeda*, Kazuma and Hara*, Ryosei and Nagata, Rokuto and Sako, Ozora and Ding, Zihao and Kado, Takahiro and Fujioka, Ibuki and Beppu, Taro and Isogawa, Mariko and Yoshioka, Kentaro

   The 29th Meeting on Image Recognition and Understanding (MIRU2026), 2026

   Original paper presented at CVPR 2026. *Equal contribution

   Website
5. 

   Domestic

   未校正の多視点カメラからの三次元手指形状推定

   原涼成 and 波多野雅 and 柳凜太郎 and 橋本敦史 and 八木拓真 and 五十川麻理子

   第29回 画像の認識・理解シンポジウム, 2026
6. 

   Domestic

   Full-Waveform LiDARデータのトークン削減に関する一検討

   大石康太郎 and 池田和真 and 原涼成 and 吉岡健太郎 and 五十川麻理子

   第29回 画像の認識・理解シンポジウム, 2026
7. 

   Domestic

   イベントカメラを活用した三次元人物・手指形状復元

   池田航 and 原涼成 and 出口裕之 and 波多野雅 and 堀涼介 and 斎藤英雄 and 五十川麻理子

   第40回 人工知能学会全国大会, 2026

   オーガナイズドセッション口頭発表論文．OS-26 ひと中心の未来社会とAI ー テクノロジー受容と未来の暮らし

   DOI
8. 

   Domestic

   Ghost-FWL:ゴースト検出・除去のための大規模フルウェーブフォームLiDARデータセットとフレームワーク

   池田和真 and 原涼成 and 永田禄人 and 佐古大空 and 丁梓浩 and 加戸貴洋 and 藤岡威吹 and 別府太郎 and 五十川麻理子 and 吉岡健太郎

   第32回画像センシングシンポジウム（SSII2026）, 2026

   スポットライトセッション SO2-02 (Oral) およびインタラクティブセッション IS 2-02 (Poster)
9. 

   Domestic

   Robust Impact Timing Estimation in Sports under Low-Light and Occluded Conditions

   Ishida, Ryotaro and Ikeda, Wataru and Hara, Ryosei and Kobayashi, Akemi and Kimura, Toshitaka and Isogawa, Mariko

   研究報告スポーツ情報学（SI）, 2026

   Website Bib

   Copy

   @techreport{Ishida2026SI,
     author = {Ishida, Ryotaro and Ikeda, Wataru and Hara, Ryosei and Kobayashi, Akemi and Kimura, Toshitaka and Isogawa, Mariko},
     journal = {研究報告スポーツ情報学（SI）},
     volume = {2026-SI-4},
     number = {13},
     pages = {1--6},
     year = {2026},
     issn = {2759-4408},
     publisher = {情報処理学会},
     title = {Robust Impact Timing Estimation in Sports under Low-Light and Occluded Conditions},
   }

10. 

    Software

    Hand Visibility Detector

    Hara, Ryosei

    2026

    Code Website
11. 

    Software

    hamer-mini

    Hara, Ryosei

    2026

    python package for HaMeR

    Code

2025

1. 

   Conference

   EventEgoHands: Event-based Egocentric 3D Hand Mesh Reconstruction

   Hara, Ryosei and Ikeda, Wataru and Hatano, Masashi and Isogawa, Mariko

   IEEE International Conference on Image Processing (ICIP), 2025

   Oral Presentation (Acceptance Rate: 39.6%)

   DOI Project Supp arXiv Bib

   Copy

   @inproceedings{Hara2025EventEgoHands,
     author = {Hara, Ryosei and Ikeda, Wataru and Hatano, Masashi and Isogawa, Mariko},
     title = {EventEgoHands: Event-based Egocentric 3D Hand Mesh Reconstruction},
     booktitle = {IEEE International Conference on Image Processing (ICIP)},
     year = {2025},
     pages = {1199-1204},
   }

2. 

   Conference

   Event-based Egocentric Human Pose Estimation in Dynamic Environment

   Ikeda, Wataru and Hatano, Masashi and Hara, Ryosei and Isogawa, Mariko

   IEEE International Conference on Image Processing (ICIP), 2025

   (Acceptance Rate: 39.6%)

   DOI Project Supp arXiv Bib

   Copy

   @inproceedings{Ikeda2025DEventEgo,
     author = {Ikeda, Wataru and Hatano, Masashi and Hara, Ryosei and Isogawa, Mariko},
     title = {Event-based Egocentric Human Pose Estimation in Dynamic Environment},
     booktitle = {IEEE International Conference on Image Processing (ICIP)},
     year = {2025},
     pages = {2336-2341},
   }

3. 

   Domestic

   EventEgoHands: Event-based Egocentric 3D Hand Mesh Reconstruction

   Hara, Ryosei and Ikeda, Wataru and Hatano, Masashi and Isogawa, Mariko

   Meeting on Image Recognition and Understanding (MIRU), 2025

   Oral Presentation (Acceptance Rate: 34.5%)

   MIRU Student Encouragement Award 🏆️
4. 

   Domestic

   Event-based Egocentric Human Pose Estimation in Dynamic Environment

   Ikeda, Wataru and Hatano, Masashi and Hara, Ryosei and Isogawa, Mariko

   Meeting on Image Recognition and Understanding (MIRU), 2025

   Oral Presentation (Acceptance Rate: 34.5%)
5. 

   Domestic

   イベントカメラを用いたバッティングのインパクトタイミング推定

   石田遼太郎 and 池田航 and 原涼成 and 小林明美 and 木村聡貴 and 五十川麻理子

   Sports Informatics and Technology (SIT), 2025

   DOI

2024

1. 

   Domestic

   動的背景下におけるイベントカメラを用いた三次元人物手指形状推定

   原涼成 and 池田航 and 五十川麻理子

   画像の認識・理解シンポジウム (MIRU), 2024

   Demo Category