6-DOF pose estimation from single Ultrasound image using 3D IP models. - Bo Zheng 001; Ryoichi Ishikawa; Takeshi Oishi; Jun Takamatsu; Katsushi Ikeuchi (CVPR Workshops, 2008)

A Fast Registration Method Using IP and Its Application to Ultrasound Image Registration. - Bo Zheng 001; Ryoichi Ishikawa; Takeshi Oishi; Jun Takamatsu; Katsushi Ikeuchi (IPSJ Trans. Comput. Vis. Appl., 2009)

A coarse-to-fine IP-driven registration for pose estimation from single ultrasound image. - Bo Zheng 001; Ryoichi Ishikawa; Jun Takamatsu; Takeshi Oishi; Katsushi Ikeuchi (Comput. Vis. Image Underst., 2013)

Breast MR Image Fusion by Deformable Implicit Polynomial (DIP). - Bo Zheng 001; Ryoichi Ishikawa; Jun Takamatsu; Katsushi Ikeuchi; Takaaki Endo; Kiyohide Sato; Takayuki Ueno; Tomoharu Sugie; Masakazu Toi; Shotaro Kanao; Kaori Togashi (IPSJ Trans. Comput. Vis. Appl., 2013)

A New Flying Range Sensor: Aerial Scan in Omni-Directions. - Bo Zheng 001; Xiangqi Huang; Ryoichi Ishikawa; Takeshi Oishi; Katsushi Ikeuchi (3DV, 2015)

Rectification of Aerial 3D Laser Scans via Line-based Registration to Ground Model. - Ryoichi Ishikawa; Bo Zheng 001; Takeshi Oishi; Katsushi Ikeuchi (IPSJ Trans. Comput. Vis. Appl., 2015)

A 3D Reconstruction with High Density and Accuracy Using Laser Profiler and Camera Fusion System on a Rover. - Ryoichi Ishikawa; Menandro Roxas; Yoshihiro Sato; Takeshi Oishi; Takeshi Masuda 001; Katsushi Ikeuchi (3DV, 2016)

LiDAR and Camera Calibration Using Motions Estimated by Sensor Fusion Odometry. - Ryoichi Ishikawa; Takeshi Oishi; Katsushi Ikeuchi (IROS, 2018)

Offline and Online calibration of Mobile Robot and SLAM Device for Navigation. - Ryoichi Ishikawa; Takeshi Oishi; Katsushi Ikeuchi (CoRR, 2018)

LiDAR and Camera Calibration using Motion Estimated by Sensor Fusion Odometry. - Ryoichi Ishikawa; Takeshi Oishi; Katsushi Ikeuchi (CoRR, 2018)

Dynamic Calibration between a Mobile Robot and SLAM Device for Navigation. - Ryoichi Ishikawa; Takeshi Oishi; Katsushi Ikeuchi (RO-MAN, 2019)

Real-Time Dense Depth Estimation Using Semantically-Guided LIDAR Data Propagation and Motion Stereo. - Atsuki Hirata; Ryoichi Ishikawa; Menandro Roxas; Takeshi Oishi (IEEE Robotics Autom. Lett., 2019)

Hand-Motion-guided Articulation and Segmentation Estimation. - Richard Sahala Hartanto; Ryoichi Ishikawa; Menandro Roxas; Takeshi Oishi (RO-MAN, 2020)

Relative Drone-Ground Vehicle Localization using LiDAR and Fisheye Cameras through Direct and Indirect Observations. - Jan Hausberg; Ryoichi Ishikawa; Menandro Roxas; Takeshi Oishi (CoRR, 2020)

Discontinuous and Smooth Depth Completion With Binary Anisotropic Diffusion Tensor. - Yasuhiro Yao; Menandro Roxas; Ryoichi Ishikawa; Shingo Ando; Jun Shimamura; Takeshi Oishi (IEEE Robotics Autom. Lett., 2020)

Non-Learning Stereo-Aided Depth Completion Under Mis-Projection via Selective Stereo Matching. - Yasuhiro Yao; Ryoichi Ishikawa; Shingo Ando; Kana Kurata; Naoki Ito; Jun Shimamura; Takeshi Oishi (IEEE Access, 2021)

Learning 6DoF Grasping Using Reward-Consistent Demonstration. - Daichi Kawakami; Ryoichi Ishikawa; Menandro Roxas; Yoshihiro Sato; Takeshi Oishi (CoRR, 2021)

Fast Structural Representation and Structure-aware Loop Closing for Visual SLAM. - Shuxiang Xie; Ryoichi Ishikawa; Ken Sakurada; Masaki Onishi; Takeshi Oishi (IROS, 2022)

SWIN-RIND: Edge Detection for Reflectance, Illumination, Normal and Depth Discontinuity with Swin Transformer. - Lun Miao; Takeshi Oishi; Ryoichi Ishikawa (BMVC, 2023)

INF: Implicit Neural Fusion for LiDAR and Camera. - Shuyi Zhou; Shuxiang Xie; Ryoichi Ishikawa; Ken Sakurada; Masaki Onishi; Takeshi Oishi (IROS, 2023)

Quadruped Robot Platform for Selective Pesticide Spraying. - Hansen Hendra; Yubin Liu; Ryoichi Ishikawa; Takeshi Oishi; Yoshihiro Sato (MVA, 2023)

G2fR: Frequency Regularization in Grid-Based Feature Encoding Neural Radiance Fields. - Shuxiang Xie; Shuyi Zhou; Ken Sakurada; Ryoichi Ishikawa; Masaki Onishi; Takeshi Oishi (ECCV (22), 2024)

CAPT: Category-level Articulation Estimation from a Single Point Cloud Using Transformer. - Lian Fu; Ryoichi Ishikawa; Yoshihiro Sato; Takeshi Oishi (ICRA, 2024)

LiDAR-camera Calibration using Intensity Variance Cost. - Ryoichi Ishikawa; Shuyi Zhou; Yoshihiro Sato; Takeshi Oishi; Katsushi Ikeuchi (ICRA, 2024)

Visibility Enhancement of Lesion Regions in Chest X-Ray Images With Image Fidelity Preservation. - Ryoichi Ishikawa; Tomohisa Yuzawa; Taiki Fukiage; Masataka Kagesawa; Toru Watsuji; Takeshi Oishi (IEEE Access, 2025)

NeAS: 3D Reconstruction from X-ray Images using Neural Attenuation Surface. - Chengrui Zhu; Ryoichi Ishikawa; Masataka Kagesawa; Tomohisa Yuzawa; Toru Watsuji; Takeshi Oishi (CoRR, 2025)

Stereo-LiDAR Fusion by Semi-Global Matching With Discrete Disparity-Matching Cost and Semidensification. - Yasuhiro Yao; Ryoichi Ishikawa; Takeshi Oishi (IEEE Robotics Autom. Lett., 2025)

Robust LiDAR-Camera Calibration With 2D Gaussian Splatting. - Shuyi Zhou; Shuxiang Xie; Ryoichi Ishikawa; Takeshi Oishi (IEEE Robotics Autom. Lett., 2025)