activity
20222026
most citedEdge-preserving Near-light Photometric Stereo with Neural Surfaces

3 citations · 6 across the 13 of their papers we have counts for

collaborators

15 papers

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

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

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

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.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

Towards Imperceptible Watermarking Via Environment Illumination for Consumer Cameras

Hodaka Kawachi, Tomoya Nakamura, Hiroaki Santo +4

This paper introduces a method for using LED-based environmental lighting to produce visually imperceptible watermarks for consumer cameras. Our approach optimizes an LED light sou…

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.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…

cs.CV2022★ 3 cited

Edge-preserving Near-light Photometric Stereo with Neural Surfaces

Heng Guo, Hiroaki Santo, Boxin Shi +1

This paper presents a near-light photometric stereo method that faithfully preserves sharp depth edges in the 3D reconstruction. Unlike previous methods that rely on finite differe…