Generalized image retargeting via convex optimization. - Keisuke Nonaka; Takamichi Miyata; Yoshinori Hatori (ICIP, 2013)

Robust moving camera calibration for synthesizing free viewpoint soccer video. - Qiang Yao; Keisuke Nonaka; Hiroshi Sankoh; Sei Naito (ICIP, 2016)

Automatic camera self-calibration for immersive navigation of free viewpoint sports video. - Qiang Yao; Hiroshi Sankoh; Keisuke Nonaka; Sei Naito (MMSP, 2016)

Billboard deformation via 3D voxel by using optimization for free-viewpoint system. - Keisuke Nonaka; Qiang Yao; Houari Sabirin; Jun Chen 017; Hiroshi Sankoh; Sei Naito (EUSIPCO, 2017)

Fast camera self-calibration for synthesizing Free Viewpoint soccer Video. - Qiang Yao; Akira Kubota; Kaoru Kawakita; Keisuke Nonaka; Hiroshi Sankoh; Sei Naito (ICASSP, 2017)

An Optimized Union-Find Algorithm for Connected Components Labeling Using GPUs. - Jun Chen 017; Qiang Yao; Houari Sabirin; Keisuke Nonaka; Hiroshi Sankoh; Sei Naito (CoRR, 2017)

Efficient Parallel Connected Components Labeling with a Coarse-to-fine Strategy. - Jun Chen 017; Keisuke Nonaka; Ryosuke Watanabe; Hiroshi Sankoh; Houari Sabirin; Sei Naito (CoRR, 2017)

Robust Billboard-based, Free-viewpoint Video Synthesis Algorithm to Overcome Occlusions under Challenging Outdoor Sport Scenes. - Hiroshi Sankoh; Sei Naito; Keisuke Nonaka; Houari Sabirin; Jun Chen 017 (ACM Multimedia, 2018)

Fast Plane-Based Free-viewpoint Synthesis for Real-time Live Streaming. - Keisuke Nonaka; Ryosuke Watanabe; Jun Chen 017; Houari Sabirin; Sei Naito (VCIP, 2018)

Efficient Parallel Connected Component Labeling With a Coarse-to-Fine Strategy. - Jun Chen 017; Keisuke Nonaka; Hiroshi Sankoh; Ryosuke Watanabe; Houari Sabirin; Sei Naito (IEEE Access, 2018)

Toward Real-Time Delivery of Immersive Sports Content. - Houari Sabirin; Qiang Yao; Keisuke Nonaka; Hiroshi Sankoh; Sei Naito (IEEE Multim., 2018)

Optimal Billboard Deformation via 3D Voxel for Free-Viewpoint System. - Keisuke Nonaka; Houari Sabirin; Jun Chen 017; Hiroshi Sankoh; Sei Naito (IEICE Trans. Inf. Syst., 2018)

Fast Free-viewpoint Video Synthesis Algorithm for Sports Scenes. - Jun Chen 017; Ryosuke Watanabe; Keisuke Nonaka; Tomoaki Konno; Hiroshi Sankoh; Sei Naito (IROS, 2019)

A Robust Billboard-based Free-viewpoint Video Synthesizing Algorithm for Sports Scenes. - Jun Chen 017; Ryosuke Watanabe; Keisuke Nonaka; Tomoaki Konno; Hiroshi Sankoh; Sei Naito (CoRR, 2019)

Graph-based Deep Learning Analysis and Instance Selection. - Keisuke Nonaka; Sarath Shekkizhar; Antonio Ortega (MMSP, 2020)

Facial Action Unit-based Deep Learning Framework for Spotting Macro- and Micro-expressions in Long Video Sequences. - Bo Yang; Jianming Wu; Zhiguang Zhou; Megumi Komiya; Koki Kishimoto; Jianfeng Xu; Keisuke Nonaka; Toshiharu Horiuchi; Satoshi Komorita; Gen Hattori; Sei Naito; Yasuhiro Takishima (ACM Multimedia, 2021)

Fractional Motion Estimation for Point Cloud Compression. - Haoran Hong; Eduardo Pavez; Antonio Ortega; Ryosuke Watanabe; Keisuke Nonaka (DCC, 2022)

Graph-Based Point Cloud Denoising Using Shape-Aware Consistency For Free-Viewpoint Video. - Keisuke Nonaka; Ryosuke Watanabe; Haruhisa Kato; Tatsuya Kobayashi; Eduardo Pavez; Antonio Ortega (ICASSP, 2022)

Point Cloud Attribute Compression Via Chroma Subsampling. - Shashank N. Sridhara; Eduardo Pavez; Antonio Ortega; Ryosuke Watanabe; Keisuke Nonaka (ICASSP, 2022)

Point Cloud Denoising Using Normal Vector-Based Graph Wavelet Shrinkage. - Ryosuke Watanabe; Keisuke Nonaka; Haruhisa Kato; Eduardo Pavez; Tatsuya Kobayashi; Antonio Ortega (ICASSP, 2022)

Memory Reduction Of Cgh Calculation Based On Integrating Point Light Sources. - Ryota Koiso; Ryosuke Watanabe; Keisuke Nonaka; Tatsuya Kobayashi (ICIP, 2022)

Motion Estimation And Filtered Prediction For Dynamic Point Cloud Attribute Compression. - Haoran Hong; Eduardo Pavez; Antonio Ortega; Ryosuke Watanabe; Keisuke Nonaka (PCS, 2022)

Color Animated Full-parallax High-definition Computer-generated Hologram. - Ryota Koiso; Keisuke Nonaka; Tatsuya Kobayashi; Kyoji Matsushima (SIGGRAPH Asia Posters, 2022)

Point Cloud Sampling Preserving Local Geometry for Surface Reconstruction. - Kohei Matsuzaki; Keisuke Nonaka (BMVC, 2023)

Graph-Based Point Cloud Color Denoising with 3-Dimensional Patch-Based Similarity. - Ryosuke Watanabe; Keisuke Nonaka; Eduardo Pavez; Tatsuya Kobayashi; Antonio Ortega (ICASSP, 2023)

Graph Wavelet-Based Point Cloud Geometric Denoising with Surface-Consistent Non-Negative Kernel Regression. - Ryosuke Watanabe; Keisuke Nonaka; Eduardo Pavez; Tatsuya Kobayashi; Antonio Ortega (ICASSP, 2023)

High-quality Color-animated CGH Using a Motor-driven Photomask. - Ryota Koiso; Tatsuya Kobayashi; Keisuke Nonaka; Kyoji Matsushima (SIGGRAPH Asia Technical Communications, 2023)

SCP: Spherical-Coordinate-Based Learned Point Cloud Compression. - Ao Luo; Linxin Song; Keisuke Nonaka; Kyohei Unno; Heming Sun; Masayuki Goto; Jiro Katto (AAAI, 2024)

Fast Graph-Based Denoising For Point Cloud Color Information. - Ryosuke Watanabe; Keisuke Nonaka; Eduardo Pavez; Tatsuya Kobayashi; Antonio Ortega (ICASSP, 2024)

Full-Reference Point Cloud Quality Assessment Using Spectral Graph Wavelets. - Ryosuke Watanabe; Keisuke Nonaka; Eduardo Pavez; Tatsuya Kobayashi; Antonio Ortega (ICIP, 2024)

Learnable Point Cloud Sampling Considering Seed Point for Neural Surface Reconstruction. - Kohei Matsuzaki; Keisuke Nonaka (IEEE Access, 2024)

Graph-based Scalable Sampling of 3D Point Cloud Attributes. - Shashank N. Sridhara; Eduardo Pavez; Ajinkya Jayawant; Antonio Ortega; Ryosuke Watanabe; Keisuke Nonaka (CoRR, 2024)

Lossless Phase Conversion Method for Object Wave-based Hologram Compression. - Hiroki Kojima; Ryota Koiso; Ryosuke Watanabe; Keisuke Nonaka (ICASSP, 2025)

No-Reference Point Cloud Quality Assessment Based on Graph Signal Variation. - Ryosuke Watanabe; Keisuke Nonaka; Eduardo Pavez; Tatsuya Kobayashi; Antonio Ortega (ICASSP, 2025)

Point Cloud Color Upsampling with Attention-Based Coarse Colorization and Refinement. - Kohei Matsuzaki; Keisuke Nonaka (WACV, 2025)

MDLPCC: Misalignment-aware dynamic LiDAR point cloud compression. - Ao Luo; Linxin Song; Keisuke Nonaka; Jinming Liu 001; Kyohei Unno; Kohei Matsuzaki; Heming Sun; Jiro Katto (J. Vis. Commun. Image Represent., 2025)

Full reference point cloud quality assessment using support vector regression. - Ryosuke Watanabe; Shashank N. Sridhara; Haoran Hong; Eduardo Pavez; Keisuke Nonaka; Tatsuya Kobayashi; Antonio Ortega (Signal Process. Image Commun., 2025)