Publication (24)

Journal (7)

• Akihiro Kuwabara, Sorachi Kato, Toshiaki Koike-Akino, Takuya Fujihashi
  "Range Image-Based Implicit Neural Compression for LiDAR Point Clouds"
  IEEE Access, Vol.xx, No.xx, pp.1–14, 2026. internal

• Yusuke Ikemura, Sorachi Kato, Takeru Fukushima, Takuya Fujihashi, Tomoki Murakami, Takashi Watanabe, Shunsuke Saruwatari
  "Recursive Multi-Branch Neural Network for Object Property Estimation Using Wi-Fi CSI"
  Journal of Information Processing, Vol.x, No.x, pp.1–11, 2025. internal

• Takeru Fukushima, Takuma Matsukawa, Yusuke Ikemura, Hayato Terasoma, Sorachi Kato, Takuya Fujihashi, Tomoki Murakami, Yusuke Asai, Shunsuke Saruwatari
  "Wi-Fi Meets Sound: A Deep Fusion Leap Beyond Single-Modality for Device Localization"
  IEEE Access, Vol.13, pp.170291–170306, 2025. internal url

• Akihiro Kuwabara, Sorachi Kato, Toshiaki Koike-Akino, Takuya Fujihashi
  "JSCC-Aided INR for High-Frequency Detail Preservation in LiDAR"
  IEEE Open Journal of the Communications Society (OJ-COMS), Vol.6, pp.6352–6367, 2025. internal url

• Sorachi Kato, Pu (Perry) Wang, Toshiaki Koike-Akino, Takuya Fujihashi, Hassan Mansour, Petros Boufounos
  "Multi-Band Wi-Fi Neural Dynamic Fusion"
  IEEE Transaction of Wireless Communications, Vol.unassigned, pp.1–17, 2025. internal url

• Sorachi Kato, Tomoki Murakami, Takuya Fujihashi, Takashi Watanabe, Shunsuke Saruwatari
  "CBR-ACE: Counting Human Exercise using Wi-Fi Beamforming Reports"
  Journal of Information Processing, Vol.30, pp.66–74, 2022. internal url

• Sorachi Kato, Takeru Fukushima, Tomoki Murakami, Hirantha Abeysekera, Yusuke Iwasaki, Takuya Fujihashi, Takashi Watanabe, Shunsuke Saruwatari
  "CSI2Image: Image Reconstruction from Channel State Information Using Generative Adversarial Networks"
  IEEE Access, Vol.9, pp.47154–47168, 2021. internal url

International Conference (13)

• Sorachi Kato, Pu (Perry) Wang, Takuya Fujihashi, Andrew Markham
  "Heatmap-to-SMPL Multi-View Radar Transformer for Multi-Person 3D Pose Estimation"
  IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp.1–4, 2026. (accepted) internal

• Yusuke Ikemura, Sorachi Kato, Tomoki Murakami, Takeru Fukushima, Takuya Fujihashi, Shunsuke Saruwatari
  "Demo: WiPiCap: Real-time IEEE 802.11ac/ax Compressed Beamforming Report Decoding System"
  IEEE Consumer Communications and Networking Conference (CCNC), pp.1–2, 2026. internal

• Akihiro Kuwabara, Yutaro Osako, Sorachi Kato, Toshiaki Koike-Akino, Takuya Fujihashi
  "Global-Local Knowledge-Assisted Joint Source-Channel Coding"
  IEEE Consumer Communications and Networking Conference (CCNC), pp.1–6, 2026. internal url

• Tomoki Kamise, Sorachi Kato, Takumasa Ishioka, Tatsuya Fukui, Tsubasa Okamoto, Toshihito Fujiwara, Satoshi Narikawa, Shunsuke Saruwatari, Takuya Fujihashi
  "INR-Assisted Speculative Spatial Audio Transmission for Zero-Delay Cloud Gaming"
  IEEE Consumer Communications and Networking Conference (CCNC), pp.1–6, 2026. internal

• Sorachi Kato, Ryoma Yataka, Pu (Perry) Wang, Pedro Miraldo, Takuya Fujihashi, Petros Boufounos
  "RAPTR: Radar-based 3D Pose Estimation using Transformer"
  The 39th Annual Conference on Neural Information Processing Systems (NeurIPS), pp.1–32, 2025. internal url

• Akihiro Kuwabara, Hinata Kirihara, Sorachi Kato, Toshiaki Koike-Akino, Takuya Fujihashi
  "L-GGSC: Learnable Graph-based Gaussian Splatting Compression"
  IEEE/CVF International Conference on Computer Vision (ICCV) Workshop on ECLR, pp.1–6, 2025. internal url

• Takuya Fujihashi, Sorachi Kato, Toshiaki Koike-Akino
  "FV-NeRV: Neural Compression for Free Viewpoint Videos"
  Neural Information Processing Systems Workshop on Machine Learning and Compression, pp.1–10, 2024. internal

• M. Mahbubur Rahman, Ryoma Yataka, Sorachi Kato, Pu (Perry) Wang, Peizhao Li, Adriano Cardace, Petros Boufounos
  "MMVR: Millimeter-wave Multi-View Radar Dataset and Benchmark for Indoor Perception"
  European Conference on Computer Vision, pp.1–33, 2024. internal url

• Takuya Fujihashi, Sorachi Kato, Toshiaki Koike-Akino
  "Implicit Neural Representation for Low-overhead Graph-based Holographic-type Communications"
  IEEE International Conference on Acoustics, Speech and Signal Processing, pp.1–5, 2024. internal

• Sorachi Kato, Pu (Perry) Wang, Toshiaki Koike-Akino, Takuya Fujihashi, Hassan Mansour, Petros Boufounos
  "Object Trajectory Estimation with Multi-Band Wi-Fi Neural Dynamic Fusion"
  IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp.1–4, 2024. internal url

• Akihiro Kuwabara, Yutaro Osako, Sorachi Kato, Takuya Fujihashi, Toshiaki Koike-Akino, Takashi Watanabe
  "Implicit Neural Representation-based Hybrid Digital-Analog Image Delivery"
  IEEE International Conference on Computing, Networking and Communications (ICNC), pp.1–6, 2024. internal url

• Natsuki Ikuo, Sorachi Kato, Takuma Matsukawa, Tomoki Murakami, Takuya Fujihashi, Takashi Watanabe, Shunsuke Saruwatari
  "CSI2PC: 3D Point Cloud Reconstruction Using CSI"
  IEEE Consumer Communications and Networking Conference, pp.1–6, 2024. internal

• Sorachi Kato, Takuma Matsukawa, Tomoki Murakami, Takuya Fujihashi, Takashi Watanabe, Shunsuke Saruwatari
  "Fundamental Investigation of Wi-Fi Beamforming Report Properties on Wireless Sensing"
  IEEE 12th Sensor Array and Multichannel Signal Processing Workshop, pp.341–344, 2022. internal url

Other (4)

• Sorachi Kato, Ryoma Yataka, Pu (Perry) Wang, Pedro Miraldo, Takuya Fujihashi, Petros Boufounos
  "RAPTR: Radar-based 3D Pose Estimation using Transformer"
  GitHub, pp.1–1, 2025. internal url

• M. Mahbubur Rahman, Ryoma Yataka, Sorachi Kato, Pu (Perry) Wang, Peizhao Li, Adriano Cardace, Petros Boufounos
  "Millimeter-wave Multi-View Radar (MMVR) Dataset"
  Zenodo, pp.1–1, 2024. url

• Sorachi Kato, Takuya Fujihashi, Takashi Watanabe, Shunsuke Saruwatari, Tomoki Murakami
  "CSI2Image: CSI-to-Image Conversion using a Generative Model"
  Beyond 5G White Paper Supplementary Volume “Sensing Technologies”, pp.1–5, 2024. internal url

• Sorachi Kato
  "WiPiCap: Wi-Fi CBR Frames Parser"
  GitHub, pp.1–1, 2020. url