activity
20212026
most citedSoft-Label Anonymous Gastric X-ray Image Distillation

47 citations · 154 across the 34 of their papers we have counts for

collaborators

35 papers

cs.AI2026

Residual Dominance as a Structural Account of Last-Item Reliance in Causal Self-Attention Recommenders

Keito Kozaki, Keigo Sakurai, Ren Togo +2

Transformer-based sequential recommenders with causal self-attention often rely heavily on the most recent interaction at inference time, but how this behavior is structurally expr…

cs.CV2026

Scene2Sound: Auditory-Grounded Soundscape Generation for 3D Gaussian Worlds

Masaki Yoshida, Ren Togo, Takahiro Ogawa +1

3D Gaussian Splatting (3DGS) turns captured or generated imagery into photorealistic 3D world simulations that users can freely explore, yet these worlds remain silent. Because exi…

cs.CV2026

Personalized Longitudinal Medical Report Generation via Temporally-Aware Federated Adaptation

He Zhu, Ren Togo, Takahiro Ogawa +8

Longitudinal medical report generation is clinically important yet remains challenging due to strict privacy constraints and the evolving nature of disease progression. Although fe…

cs.CV2026

Foreground-Aware Dataset Distillation via Dynamic Patch Selection

Longzhen Li, Guang Li, Ren Togo +3

In this paper, we propose a foreground-aware dataset distillation method that enhances patch selection in a content-adaptive manner. With the rising computational cost of training…

cs.LG2026

L2R: Low-Rank and Lipschitz-Controlled Routing for Mixture-of-Experts

Minghao Yang, Ren Togo, Guang Li +2

Mixture-of-Experts (MoE) models scale neural networks by conditionally activating a small subset of experts, where the router plays a central role in determining expert specializat…

cs.CV2025

Privacy-Aware Continual Self-Supervised Learning on Multi-Window Chest Computed Tomography for Domain-Shift Robustness

Ren Tasai, Guang Li, Ren Togo +9

We propose a novel continual self-supervised learning (CSSL) framework for simultaneously learning diverse features from multi-window-obtained chest computed tomography (CT) images…

cs.CV2025

Adaptive Shared Experts with LoRA-Based Mixture of Experts for Multi-Task Learning

Minghao Yang, Ren Togo, Guang Li +2

Mixture-of-Experts (MoE) has emerged as a powerful framework for multi-task learning (MTL). However, existing MoE-MTL methods often rely on single-task pretrained backbones and suf…

cs.CV2025

Objectness Similarity: Capturing Object-Level Fidelity in 3D Scene Evaluation

Yuiko Uchida, Ren Togo, Keisuke Maeda +2

This paper presents Objectness SIMilarity (OSIM), a novel evaluation metric for 3D scenes that explicitly focuses on "objects," which are fundamental units of human visual percepti…

cs.CV2025

Dual-Model Weight Selection and Self-Knowledge Distillation for Medical Image Classification

Ayaka Tsutsumi, Guang Li, Ren Togo +3

We propose a novel medical image classification method that integrates dual-model weight selection with self-knowledge distillation (SKD). In real-world medical settings, deploying…

cs.CV2025

Continual Self-supervised Learning Considering Medical Domain Knowledge in Chest CT Images

Ren Tasai, Guang Li, Ren Togo +7

We propose a novel continual self-supervised learning method (CSSL) considering medical domain knowledge in chest CT images. Our approach addresses the challenge of sequential lear…

cs.CV2025

Generative Dataset Distillation Based on Self-knowledge Distillation

Longzhen Li, Guang Li, Ren Togo +3

Dataset distillation is an effective technique for reducing the cost and complexity of model training while maintaining performance by compressing large datasets into smaller, more…

cs.IR2024

LLM is Knowledge Graph Reasoner: LLM's Intuition-aware Knowledge Graph Reasoning for Cold-start Sequential Recommendation

Keigo Sakurai, Ren Togo, Takahiro Ogawa +1

Knowledge Graphs (KGs) represent relationships between entities in a graph structure and have been widely studied as promising tools for realizing recommendations that consider the…

cs.CV2024

Which Client is Reliable?: A Reliable and Personalized Prompt-based Federated Learning for Medical Image Question Answering

He Zhu, Ren Togo, Takahiro Ogawa +1

Conventional medical artificial intelligence (AI) models face barriers in clinical application and ethical issues owing to their inability to handle the privacy-sensitive character…

cs.SD2024

MMT-BERT: Chord-aware Symbolic Music Generation Based on Multitrack Music Transformer and MusicBERT

Jinlong Zhu, Keigo Sakurai, Ren Togo +2

We propose a novel symbolic music representation and Generative Adversarial Network (GAN) framework specially designed for symbolic multitrack music generation. The main theme of s…

cs.CV2024

Cross-domain Multi-step Thinking: Zero-shot Fine-grained Traffic Sign Recognition in the Wild

Yaozong Gan, Guang Li, Ren Togo +3

In this study, we propose Cross-domain Multi-step Thinking (CdMT) to improve zero-shot fine-grained traffic sign recognition (TSR) performance in the wild. Zero-shot fine-grained T…

cs.CV2024

Generative Dataset Distillation Based on Diffusion Model

Duo Su, Junjie Hou, Guang Li +4

This paper presents our method for the generative track of The First Dataset Distillation Challenge at ECCV 2024. Since the diffusion model has become the mainstay of generative mo…

cs.CV2024

Cross-domain Few-shot In-context Learning for Enhancing Traffic Sign Recognition

Yaozong Gan, Guang Li, Ren Togo +3

Recent multimodal large language models (MLLM) such as GPT-4o and GPT-4v have shown great potential in autonomous driving. In this paper, we propose a cross-domain few-shot in-cont…

cs.CV2024

Zero-shot Composed Image Retrieval Considering Query-target Relationship Leveraging Masked Image-text Pairs

Huaying Zhang, Rintaro Yanagi, Ren Togo +2

This paper proposes a novel zero-shot composed image retrieval (CIR) method considering the query-target relationship by masked image-text pairs. The objective of CIR is to retriev…

cs.CV2024

Reinforcing Pre-trained Models Using Counterfactual Images

Xiang Li, Ren Togo, Keisuke Maeda +2

This paper proposes a novel framework to reinforce classification models using language-guided generated counterfactual images. Deep learning classification models are often traine…

cs.CV2024

Generative Dataset Distillation: Balancing Global Structure and Local Details

Longzhen Li, Guang Li, Ren Togo +3

In this paper, we propose a new dataset distillation method that considers balancing global structure and local details when distilling the information from a large dataset into a…

cs.CV2024

Enhancing Generative Class Incremental Learning Performance with Model Forgetting Approach

Taro Togo, Ren Togo, Keisuke Maeda +2

This study presents a novel approach to Generative Class Incremental Learning (GCIL) by introducing the forgetting mechanism, aimed at dynamically managing class information for be…

cs.CV2024

Prompt-based Personalized Federated Learning for Medical Visual Question Answering

He Zhu, Ren Togo, Takahiro Ogawa +1

We present a novel prompt-based personalized federated learning (pFL) method to address data heterogeneity and privacy concerns in traditional medical visual question answering (VQ…

cs.CV2023★ 1 cited

Interpretable Visual Question Answering Referring to Outside Knowledge

He Zhu, Ren Togo, Takahiro Ogawa +1

We present a novel multimodal interpretable VQA model that can answer the question more accurately and generate diverse explanations. Although researchers have proposed several met…

eess.IV2022★ 1 cited

COVID-19 Detection Based on Self-Supervised Transfer Learning Using Chest X-Ray Images

Guang Li, Ren Togo, Takahiro Ogawa +1

Purpose: Considering several patients screened due to COVID-19 pandemic, computer-aided detection has strong potential in assisting clinical workflow efficiency and reducing the in…