Vector representation of binary images containing halftone dots. - Kei Kawamura; Hiroshi Watanabe 001; Hideyoshi Tominaga (ICME, 2004)

Gradation approximation for vector based compression of comic images. - Kei Kawamura; Yuki Yamamoto; Hiroshi Watanabe 001 (ICIP (3), 2005)

Bit Rate Reduction of Vector Representation of Binary Images. - Yuki Yamamoto; Kei Kawamura; Hiroshi Watanabe 001 (ICIP, 2006)

A Study on Spatial Scalable Coding using Vector Representation. - Yuki Yamamoto; Kei Kawamura; Hiroshi Watanabe 001 (ICME, 2006)

Automatic Scale Detection for Contour Fragment Based on Difference of Curvature. - Kei Kawamura; Daisuke Ishii; Hiroshi Watanabe 001 (IEICE Trans. Inf. Syst., 2011)

Asymmetric partitioning with non-power-of-two transform for intra coding. - Kei Kawamura; Haruhisa Kato; Sei Naito (PCS, 2012)

In-loop colour-space-transform coding based on integered SVD for HEVC range extensions. - Kei Kawamura; Haruhisa Kato; Sei Naito (PCS, 2013)

An adaptive residual decorrelation method for HEVC. - Kei Kawamura; Haruhisa Kato; Sei Naito (ICIP, 2014)

No reference video quality assessment based on parametric analysis of HEVC bitstream. - Kosuke Izumi; Kei Kawamura; Tomonobu Yoshino; Sei Naito (QoMEX, 2014)

Prediction mode based reference line synthesis for intra prediction of video coding. - Qiang Yao; Kei Kawamura; Sei Naito (EUSIPCO, 2017)

Sample adaptive color space transform for screen content video coding. - Je-Won Kang; Woo-Shik Kim; Kei Kawamura (Signal Image Video Process., 2017)

Blocksize-QP Dependent Intra Interpolation Filters. - Yoshitaka Kidani; Kei Kawamura; Kyohei Unno; Sei Naito (ICIP, 2019)

Block-Size Dependent Overlapped Block Motion Compensation. - Yoshitaka Kidani; Kei Kawamura; Kyohei Unno; Sei Naito (ICIP, 2020)

Dynamic Assistance for Human Balancing with Inertia of a Wearable Robotic Appendage. - Azumi Maekawa; Kei Kawamura; Masahiko Inami (IROS, 2020)

Fast Still Picture Coding for VVC. - Kei Kawamura; Kyohei Unno; Yoshitaka Kidani (APSIPA ASC, 2021)

Lossless Video Coding Based On Probability Model Optimization With Improved Adaptive Prediction. - Kyohei Unno; Yusuke Kameda; Yasuyo Kita; Ichiro Matsuda; Susumu Itoh; Kei Kawamura (ICIP, 2021)

Relative Viewpoint Estimation Based on Structured 3d Representation Alignment. - Kohei Matsuzaki; Kei Kawamura (ICASSP, 2022)

Study on the open data system and API for infrastructure maintenance and management. - Junha Hwang; Kei Kawamura; Shuji Sawamura (SCIS/ISIS, 2022)

A study on time synchronization method for creating a cable surface image of cable-stayed bridge using yolov5. - Wei Zheng; Kei Kawamura; Takashi Nakamura; Masando Shiozaki (SCIS/ISIS, 2022)

Adaptive boundary width of Geometric Partitioning Mode for Beyond Versatile Video Coding. - Haruhisa Kato; Yoshitaka Kidani; Kei Kawamura; Sei Naito (VCIP, 2022)

Geometric Partitioning Mode with Inter and Intra Prediction for Beyond Versatile Video Coding. - Yoshitaka Kidani; Haruhisa Kato; Kei Kawamura; Hiroshi Watanabe 001 (IEICE Trans. Inf. Syst., 2022)

Measure The Difference between Frames: Reconsidering The Evaluation Method in Dynamic Mesh Simplification. - Yunlong Liu; Jianfeng Xu; Kei Kawamura; Hiroshi Watanabe 001 (GCCE, 2023)

Rate-Distortion Optimized Variable-Node-size Trisoup for Point Cloud Coding. - Kyohei Unno; Kohei Matsuzaki; Satoshi Komorita; Kei Kawamura (ICASSP, 2023)

Inter-Frame Coding for Dynamic Meshes Via Temporally-Consistent Re-Meshing. - Xudong Jin; Jianfeng Xu; Kei Kawamura (ICIP, 2023)

Hierarchical Arithmetic Coding of Displacements for Dynamic Mesh Compression. - Hitoshi Nishimura; Haruhisa Kato; Kei Kawamura (ICIP, 2023)

Extended Intra Block Copy with Adaptive Filtering and Overlapped Block Averaging. - Haruhisa Kato; Yoshitaka Kidani; Kei Kawamura; Sei Naito (VCIP, 2023)

1D displacement coding for the displaced subdivision surface. - Koki Kishimoto; Kei Kawamura; Haruhisa Kato (VCIP, 2023)

Arithmetic Coding of Displacements in Dynamic Meshes with Bypass Mode for Complexity Reduction. - Hitoshi Nishimura; Haruhisa Kato; Kei Kawamura (VCIP, 2023)

FSPose: A Heterogeneous Framework with Fast and Slow Networks for Human Pose Estimation in Videos. - Jianfeng Xu; Satoshi Komorita; Kei Kawamura (IEICE Trans. Inf. Syst., 2023)

Embedded Graph Representation for Inter-Frame Coding of Dynamic Meshes. - Xudong Jin; Jianfeng Xu; Kei Kawamura (ICASSP, 2024)

Partial Inter-Frame Coding for Dynamic Meshes. - Xudong Jin; Jianfeng Xu; Kei Kawamura (ICIP, 2024)

Extended Multiple Cross-Component Linear Models With Adaptive Thresholding and Overlapped Averaging Beyond VVC. - Haruhisa Kato; Yoshitaka Kidani; Kei Kawamura (ICIP, 2024)

Bi-Predictive Intra Block Copy for Enhanced Video Coding Beyond VVC. - Yoshitaka Kidani; Haruhisa Kato; Kei Kawamura (ICIP, 2024)

Minimization of Submesh Boundary Errors In Dynamic Mesh Coding. - Koki Kishimoto; Kei Kawamura; Haruhisa Kato (ICIP, 2024)

Quantization After Inter Prediction in Displacement Coding of Dynamic Meshes. - Hitoshi Nishimura; Haruhisa Kato; Kei Kawamura (ICIP, 2024)

Temporal Scalable Coding For Dynamic Meshes. - Jianfeng Xu; Haruhisa Kato; Kei Kawamura (ICIP, 2024)

Promoting Open Data Utilization in Infrastructure Management Through an Integrated System of Data Processing, Cloud Storage, and Visualization. - Zhenlong Zhang; Kei Kawamura; Yiming Su; Hisao Emoto; Shuji Sawamura; C. K. Nguyen (SCIS/ISIS, 2024)

Low-complexity learning-based intra prediction with direction-dependent adaptive weights for beyond VVC. - Haruhisa Kato; Yoshitaka Kidani; Kei Kawamura (VCIP, 2024)

Inter Submesh Border Information Coding with Skip Mode in V-DMC. - Koki Kishimoto; Kei Kawamura; Haruhisa Kato (VCIP, 2024)

A High-Efficiency and Low-Complexity SKIP Type for Base Mesh Coding in V-DMC. - Jianfeng Xu; Haruhisa Kato; Kei Kawamura (VCIP, 2024)

Fast inter-frame coding for dynamic meshes via supervoxel-based shape matching. - Xudong Jin; Jianfeng Xu; Kei Kawamura (ICASSP, 2025)

Chained Motion Vector Prediction for Video Coding. - Yoshitaka Kidani; Haruhisa Kato; Kei Kawamura (ICASSP, 2025)

Adaptive Merge Candidate Selection Based on Geometric Partitioning Mode beyond Versatile Video Coding. - Haruhisa Kato; Yoshitaka Kidani; Kei Kawamura (IEICE Trans. Inf. Syst., 2025)