activity
20242026
collaborators

5 papers

cs.CV2026

AnyGroundBench: A Specialized-Domain Benchmark for Video Grounding in Vision-Language Models

Rintaro Otsubo, Ryo Fujii, Reina Ishikawa +6

Vision-Language Models (VLMs) have demonstrated immense promise in Spatio-Temporal Video Grounding (STVG). However, current evaluation protocols are largely confined to zero-shot a…

cs.CV2025

Disturbance-Free Surgical Video Generation from Multi-Camera Shadowless Lamps for Open Surgery

Yuna Kato, Shohei Mori, Hideo Saito +3

Video recordings of open surgeries are greatly required for education and research purposes. However, capturing unobstructed videos is challenging since surgeons frequently block t…

cs.CV2025

EgoSurgery-HTS: A Dataset for Egocentric Hand-Tool Segmentation in Open Surgery Videos

Nathan Darjana, Ryo Fujii, Hideo Saito +1

Egocentric open-surgery videos capture rich, fine-grained details essential for accurately modeling surgical procedures and human behavior in the operating room. A detailed, pixel-…

cs.CV2025

High-Quality Virtual Single-Viewpoint Surgical Video: Geometric Autocalibration of Multiple Cameras in Surgical Lights

Yuna Kato, Mariko Isogawa, Shohei Mori +3

Occlusion-free video generation is challenging due to surgeons' obstructions in the camera field of view. Prior work has addressed this issue by installing multiple cameras on a su…

cs.CV2024

EgoSurgery-Phase: A Dataset of Surgical Phase Recognition from Egocentric Open Surgery Videos

Ryo Fujii, Masashi Hatano, Hideo Saito +1

Surgical phase recognition has gained significant attention due to its potential to offer solutions to numerous demands of the modern operating room. However, most existing methods…