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20212026
most citedCityRefer: Geography-aware 3D Visual Grounding Dataset on City-scale Point Cloud Data

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cs.CV2026

LongEgoRefer: A Benchmark for Long-Form Egocentric Video Referring Expression Comprehension

Shunya Kato, Taiki Miyanishi, Shuhei Kurita +3

Egocentric videos capture rich and diverse human-object interactions and have emerged as a fundamental resource for understanding human activities related to objects. In this conte…

cs.CV2026

E3VS-Bench: A Benchmark for Viewpoint-Dependent Active Perception in 3D Gaussian Splatting Scenes

Koya Sakamoto, Taiki Miyanishi, Daichi Azuma +6

Visual search in 3D environments requires embodied agents to actively explore their surroundings and acquire task-relevant evidence. However, existing visual search and embodied AI…

cs.CV2026

Stitch4D: Sparse Multi-Location 4D Urban Reconstruction via Spatio-Temporal Interpolation

Hina Kogure, Kei Katsumata, Taiki Miyanishi +1

Dynamic urban environments are often captured by cameras placed at spatially separated locations with little or no view overlap. However, most existing 4D reconstruction methods as…

cs.CV2026

PhysQuantAgent: An Inference Pipeline of Mass Estimation for Vision-Language Models

Hisayuki Yokomizo, Taiki Miyanishi, Yan Gang +3

Vision-Language Models (VLMs) are increasingly applied to robotic perception and manipulation, yet their ability to infer physical properties required for manipulation remains limi…

cs.CV2026

Diagnosing Long-Video Quantitative Reasoning in Multimodal LLMs via Enumeration and Counting

Fumihiko Tsuchiya, Taiki Miyanishi, Shunsuke Yasuki +5

Final-answer video QA can show whether a model predicts the right number, but not which instances it counted, when the supporting evidence occurs, or why it failed. We diagnose lon…

cs.CV2025

GeoProg3D: Compositional Visual Reasoning for City-Scale 3D Language Fields

Shunsuke Yasuki, Taiki Miyanishi, Nakamasa Inoue +5

The advancement of 3D language fields has enabled intuitive interactions with 3D scenes via natural language. However, existing approaches are typically limited to small-scale envi…