activity
20232026
most citedMulti-View Azimuth Stereo via Tangent Space Consistency

2 citations · 3 across the 17 of their papers we have counts for

collaborators

19 papers

cs.CV2026

PlantRig - From Bones to Branches: Adaptation of Autoregressive Rigging Models for Plant Skeletal Reconstruction

Nathan Hu, Yang Yang, Fumio Okura

Autoregressive rigging models such as UniRig and SkinTokens perform well on articulated characters, but their ability to generalize to plant structures remains largely unexplored,…

cs.CV2026

PlantPose: Universal Plant Skeleton Estimation via Tree-constrained Graph Generation

Xinpeng Liu, Hiroaki Santo, Yosuke Toda +1

Accurate estimation of plant skeletal structures (e.g., branching structures) from images is essential for smart agriculture and plant science. Unlike human skeletons with fixed to…

cs.CV2026

Unsupervised 3D Human Pose Estimation via Conditional Multi-view Ancestral Sampling

Ryohei Goto, Takuya Fujihashi, Shunsuke Saruwatari +1

We propose a method of estimating a 3D human pose from a single view without 3D supervision. The key to our method is to leverage the 2D diffusion priors of motion diffusion models…

cs.CV2026

DP-SfM: Dual-Pixel Structure-from-Motion without Scale Ambiguity

Lilika Makabe, Kohei Ashida, Hiroaki Santo +2

Multi-view 3D reconstruction, namely, structure-from-motion followed by multi-view stereo, is a fundamental component of 3D computer vision. In general, multi-view 3D reconstructio…

cs.CV2026

NRGS: Neural Regularization for Robust 3D Semantic Gaussian Splatting

Zaiyan Yang, Xinpeng Liu, Heng Guo +3

We propose a neural regularization method that refines the noisy 3D semantic field produced by lifting multi-view inconsistent 2D features, in order to obtain an accurate and robus…

cs.CV2026

BioVITA: Biological Dataset, Model, and Benchmark for Visual-Textual-Acoustic Alignment

Risa Shinoda, Kaede Shiohara, Nakamasa Inoue +3

Understanding animal species from multimodal data poses an emerging challenge at the intersection of computer vision and ecology. While recent biological models, such as BioCLIP, h…

cs.SD2026

AnimalCLAP: Taxonomy-Aware Language-Audio Pretraining for Species Recognition and Trait Inference

Risa Shinoda, Kaede Shiohara, Nakamasa Inoue +2

Animal vocalizations provide crucial insights for wildlife assessment, particularly in complex environments such as forests, aiding species identification and ecological monitoring…

cs.CV2026

High-fidelity Multi-view Normal Integration with Scale-encoded Neural Surface Representation

Tongyu Yang, Heng Guo, Yasuyuki Matsushita +3

Previous multi-view normal integration methods typically sample a single ray per pixel, without considering the spatial area covered by each pixel, which varies with camera intrins…

cs.CV2026

Near-light Photometric Stereo with Symmetric Lights

Lilika Makabe, Heng Guo, Hiroaki Santo +2

This paper describes a linear solution method for near-light photometric stereo by exploiting symmetric light source arrangements. Unlike conventional non-convex optimization appro…

cs.CV2026

Gaussian Mesh Renderer for Lightweight Differentiable Rendering

Xinpeng Liu, Fumio Okura

3D Gaussian Splatting (3DGS) has enabled high-fidelity virtualization with fast rendering and optimization for novel view synthesis. On the other hand, triangle mesh models still r…

cs.CV2025

Interaction-via-Actions: Cattle Interaction Detection with Joint Learning of Action-Interaction Latent Space

Ren Nakagawa, Yang Yang, Risa Shinoda +4

This paper introduces a method and application for automatically detecting behavioral interactions between grazing cattle from a single image, which is essential for smart livestoc…

cs.CV2025

GaussianPlant: Structure-aligned Gaussian Splatting for 3D Reconstruction of Plants

Yang Yang, Risa Shinoda, Hiroaki Santo +1

We present a method for jointly recovering the appearance and internal structure of botanical plants from multi-view images based on 3D Gaussian Splatting (3DGS). While 3DGS exhibi…

cs.CV2025

Zero-shot Hierarchical Plant Segmentation via Foundation Segmentation Models and Text-to-image Attention

Junhao Xing, Ryohei Miyakawa, Yang Yang +5

Foundation segmentation models achieve reasonable leaf instance extraction from top-view crop images without training (i.e., zero-shot). However, segmenting entire plant individual…

cs.CV2025

NeuraLeaf: Neural Parametric Leaf Models with Shape and Deformation Disentanglement

Yang Yang, Dongni Mao, Hiroaki Santo +2

We develop a neural parametric model for 3D leaves for plant modeling and reconstruction that are essential for agriculture and computer graphics. While neural parametric models ar…

cs.CV2025

Spectral Sensitivity Estimation with an Uncalibrated Diffraction Grating

Lilika Makabe, Hiroaki Santo, Fumio Okura +2

This paper introduces a practical and accurate calibration method for camera spectral sensitivity using a diffraction grating. Accurate calibration of camera spectral sensitivity i…

cs.GR2025

HoGS: Unified Near and Far Object Reconstruction via Homogeneous Gaussian Splatting

Xinpeng Liu, Zeyi Huang, Fumio Okura +1

Novel view synthesis has demonstrated impressive progress recently, with 3D Gaussian splatting (3DGS) offering efficient training time and photorealistic real-time rendering. Howev…

cs.CV2024★ 1 cited

TreeFormer: Single-view Plant Skeleton Estimation via Tree-constrained Graph Generation

Xinpeng Liu, Hiroaki Santo, Yosuke Toda +1

Accurate estimation of plant skeletal structure (e.g., branching structure) from images is essential for smart agriculture and plant science. Unlike human skeletons with fixed topo…

cs.CV2024

NeRSP: Neural 3D Reconstruction for Reflective Objects with Sparse Polarized Images

Yufei Han, Heng Guo, Koki Fukai +5

We present NeRSP, a Neural 3D reconstruction technique for Reflective surfaces with Sparse Polarized images. Reflective surface reconstruction is extremely challenging as specular…

cs.CV2023★ 2 cited

Multi-View Azimuth Stereo via Tangent Space Consistency

Xu Cao, Hiroaki Santo, Fumio Okura +1

We present a method for 3D reconstruction only using calibrated multi-view surface azimuth maps. Our method, multi-view azimuth stereo, is effective for textureless or specular sur…