← Search

Ryoma Bise

12 accepted papers

2026

Auxiliary Gene Learning: Spatial Gene Expression Estimation by Auxiliary Gene Selection

AAAI 2026technical

Spatial transcriptomics (ST) is a novel technology that enables the observation of gene expression at the resolution of individual spots within pathological tissues. ST quantifies the expression of tens of thousands of genes in a tissue section; however, heavy observational noise is often introduced

Cited by 0SourcePDFScholar
2026

Cell-Type Prototype-Informed Neural Network for Gene Expression Estimation from Pathology Images

CVPR 2026

Estimating slide- and patch-level gene expression profiles from pathology images enables rapid and low-cost molecular analysis with broad clinical impact. Despite strong results, existing approaches treat gene expression as a mere slide- or spot-level signal and do not incorporate the fact that the

Cited by 0SourcecodeScholar
2025

Instance-wise Supervision-level Optimization in Active Learning

CVPR 2025poster

Active learning (AL) is a label-efficient machine learning paradigm that focuses on selectively annotating high-value instances to maximize learning efficiency. Its effectiveness can be further enhanced by incorporating weak supervision, which uses rough yet cost-effective annotations instead of exa…

2025

Learning Relative Gene Expression Trends from Pathology Images in Spatial Transcriptomics

NeurIPS 2025poster

Gene expression estimation from pathology images has the potential to reduce the RNA sequencing cost. Point-wise loss functions have been widely used to minimize the discrepancy between predicted and absolute gene expression values. However, due to the complexity of the sequencing techniques and in…

Cited by 0SourcecodeScholar
2023

Learning From Label Proportion with Online Pseudo-Label Decision by Regret Minimization

ICASSP 2023accepted

This paper proposes a novel and efficient method for Learning from Label Proportions (LLP), whose goal is to train a classifier only by using the class label proportions of instance sets, called bags. We propose a novel LLP method based on an online pseudo-labeling method with regret minimization. A…

Cited by 0SourceScholar
2023

MixBag: Bag-Level Data Augmentation for Learning from Label Proportions

ICCV 2023poster

Learning from label proportions (LLP) is a promising weakly supervised learning problem. In LLP, a set of instances (bag) has label proportions but no instance-level labels. LLP aims to train an instance-level classifier by using the label proportions of the bag. In this paper, we propose a bag-le…

Cited by 8PDFScholar
2020

MPM: Joint Representation of Motion and Position Map for Cell Tracking

CVPR 2020oral

Conventional cell tracking methods detect multiple cells in each frame (detection) and then associate the detection results in successive time-frames (association). Most cell tracking methods perform the association task independently from the detection task. However, there is no guarantee of preser…

Cited by 47PDFcodeScholar
2020

Negative Pseudo Labeling using Class Proportion for Semantic Segmentation in Pathology

ECCV 2020poster

In pathological diagnosis, since the proportion of the adenocarcinoma subtypes is related to the recurrence rate and the survival time after surgery, the proportion of cancer subtypes for pathological images has been recorded as diagnostic information in some hospitals. In this paper, we propose a s…

Cited by 27SourcePDFScholar
2020

Weakly-Supervised Cell Tracking via Backward-and-Forward Propagation

ECCV 2020poster

We propose a weakly-supervised cell tracking method that can train a convolutional neural network (CNN) by using only the annotation of ""cell detection"" (i.e., the coordinates of cell positions) without association information, in which cell positions can be easily obtained by nuclear staining. Fi…

2019

Adaptive Weighting Multi-Field-Of-View CNN for Semantic Segmentation in Pathology

CVPR 2019poster

Automated digital histopathology image segmentation is an important task to help pathologists diagnose tumors and cancer subtypes. For pathological diagnosis of cancer subtypes, pathologists usually change the magnification of whole-slide images (WSI) viewers. A key assumption is that the importance…

Cited by 165PDFcodeScholar
2017

Wetness and Color From a Single Multispectral Image

CVPR 2017oral

Visual recognition of wet surfaces and their degrees of wetness is important for many computer vision applications. It can inform slippery spots on a road to autonomous vehicles, muddy areas of a trail to humanoid robots, and the freshness of groceries to us. In the past, monochromatic appearance ch…

Cited by 20PDFScholar