activity
20202026
most citedReal-time Tone Mapping: A State of the Art Report

30 citations · 71 across the 19 of their papers we have counts for

collaborators

22 papers

cs.LG2026

TALLOP: Joint Optimization of Local Training and Communication Compression for Time-Constrained Federated Learning

Honoka Anada, Yafei Ou, Shinya Takamaeda-Yamazaki

Minimizing the wall-clock time required to reach a target accuracy is crucial in federated learning (FL), where many applications require frequent model updates as data distributio…

cs.CV2026

OFBD: Object-Focused Background Debiasing for Long-Tailed Learning

Shenghan Chen, Yiming Liu, Zhipeng Deng +6

Balancing performance trade-offs on long-tailed data distributions remains a long-standing challenge in visual recognition. Existing methods mainly improve tail classes through re-…

cs.CV2026

The Earth in One Gaze: Training-Free Active Focus for UHR Remote Sensing Understanding

Yao Zhang, Pengyu Dai, Wei Guo +5

Multimodal large language models (MLLMs) must balance local detail against scene context when interpreting ultra-high-resolution (UHR) remote sensing (RS) imagery within a limited…

cs.LG2026

Test-Time Adaptation for ECG Classification via SQI-Gated Self-Training and Beat-Rhythm Consistency

Wenhan Jiang, Zhipeng Deng, Jiale Zhou +3

Deep learning models for electrocardiogram (ECG) classification often suffer from significant performance degradation when deployed in unseen domains due to shifts in acquisition d…

cs.CV2026

VISTA: Variance-Gated Inter-Sequence Test-Time Adaptation for Multi-Sequence MRI Segmentation

Zhipeng Deng, Jiale Zhou, Wenhan Jiang +4

Deploying multi-sequence magnetic resonance imaging (MRI) segmentation models to new clinical environments is challenging due to variations in scanners and acquisition protocols. A…

cs.CV2026

VoxShield: Protecting 3D Medical Datasets from Unauthorized Training via Frequency-Aware Inter-Slice Disruption

Xinyao Liu, Zhipeng Deng, Wenhan Jiang +4

The release of public 3D medical image segmentation (MIS) datasets accelerates clinical research but simultaneously heightens risks of unauthorized AI model training. While Unlearn…

cs.CV2026

RAM-H1200: A Unified Evaluation and Dataset on Hand Radiographs for Rheumatoid Arthritis

Songxiao Yang, Haolin Wang, Yao Fu +9

Rheumatoid arthritis (RA) assessment from hand radiographs requires multi-level analysis and modeling of anatomical structures and fine-grained local pathological changes. However,…

cs.CV2026

Step-CoT: Stepwise Visual Chain-of-Thought for Medical Visual Question Answering

Lin Fan, Yafei Ou, Zhipeng Deng +8

Chain-of-thought (CoT) reasoning has advanced medical visual question answering (VQA), yet most existing CoT rationales are free-form and fail to capture the structured reasoning p…

cs.CV2026

PipeMFL-240K: A Large-scale Dataset and Benchmark for Object Detection in Pipeline Magnetic Flux Leakage Imaging

Tianyi Qu, Songxiao Yang, Haolin Wang +6

Pipeline integrity is critical to industrial safety and environmental protection, with Magnetic Flux Leakage (MFL) detection being a primary non-destructive testing technology. Des…

cs.AI2026

Experience-Driven Multi-Agent Systems Are Training-free Context-aware Earth Observers

Pengyu Dai, Weihao Xuan, Junjue Wang +4

Recent advances have enabled large language model (LLM) agents to solve complex tasks by orchestrating external tools. However, these agents often struggle in specialized, tool-int…

eess.IV2025

RAM-W600: A Multi-Task Wrist Dataset and Benchmark for Rheumatoid Arthritis

Songxiao Yang, Haolin Wang, Yao Fu +5

Rheumatoid arthritis (RA) is a common autoimmune disease that has been the focus of research in computer-aided diagnosis (CAD) and disease monitoring. In clinical settings, convent…

eess.IV2025

Layer Separation: Adjustable Joint Space Width Images Synthesis in Conventional Radiography

Haolin Wang, Yafei Ou, Prasoon Ambalathankandy +5

Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by joint inflammation and progressive structural damage. Joint space width (JSW) is a critical indicator in…

eess.IV2024

BLS-GAN: A Deep Layer Separation Framework for Eliminating Bone Overlap in Conventional Radiographs

Haolin Wang, Yafei Ou, Prasoon Ambalathankandy +5

Conventional radiography is the widely used imaging technology in diagnosing, monitoring, and prognosticating musculoskeletal (MSK) diseases because of its easy availability, versa…

cs.LG2024★ 1 cited

Tri-VQA: Triangular Reasoning Medical Visual Question Answering for Multi-Attribute Analysis

Lin Fan, Xun Gong, Cenyang Zheng +1

The intersection of medical Visual Question Answering (Med-VQA) is a challenging research topic with advantages including patient engagement and clinical expert involvement for sec…

cs.LG2024

MDA: An Interpretable and Scalable Multi-Modal Fusion under Missing Modalities and Intrinsic Noise Conditions

Lin Fan, Yafei Ou, Cenyang Zheng +5

Multi-modal learning has shown exceptional performance in various tasks, especially in medical applications, where it integrates diverse medical information for comprehensive diagn…

cs.CV2024

Halo Reduction in Display Systems through Smoothed Local Histogram Equalization and Human Visual System Modeling

Prasoon Ambalathankandy, Yafei Ou, Masayuki Ikebe

Halo artifacts significantly impact display quality. We propose a method to reduce halos in Local Histogram Equalization (LHE) algorithms by separately addressing dark and light va…

cs.CV2024★ 3 cited

A Psychological Study: Importance of Contrast and Luminance in Color to Grayscale Mapping

Prasoon Ambalathankandy, Yafei Ou, Sae Kaneko +1

Grayscale images are essential in image processing and computer vision tasks. They effectively emphasize luminance and contrast, highlighting important visual features, while also…

cs.CV2024★ 2 cited

Sparse Anatomical Prompt Semi-Supervised Learning with Masked Image Modeling for CBCT Tooth Segmentation

Pengyu Dai, Yafei Ou, Yuqiao Yang +2

Accurate tooth identification and segmentation in Cone Beam Computed Tomography (CBCT) dental images can significantly enhance the efficiency and precision of manual diagnoses perf…

eess.IV2023★ 16 cited

A Deep Registration Method for Accurate Quantification of Joint Space Narrowing Progression in Rheumatoid Arthritis

Haolin Wang, Yafei Ou, Wanxuan Fang +5

Rheumatoid arthritis (RA) is a chronic autoimmune inflammatory disease that results in progressive articular destruction and severe disability. Joint space narrowing (JSN) progress…

eess.IV2022★ 16 cited

A Sub-pixel Accurate Quantification of Joint Space Narrowing Progression in Rheumatoid Arthritis

Yafei Ou, Prasoon Ambalathankandy, Ryunosuke Furuya +6

Rheumatoid arthritis (RA) is a chronic autoimmune disease that primarily affects peripheral synovial joints, like fingers, wrist and feet. Radiology plays a critical role in the di…

eess.IV2021★ 3 cited

A color temperature-based high-speed decolorization: an empirical approach for tone mapping applications

Prasoon Ambalathankandy, Yafei Ou, Masayuki Ikebe

Grayscale images are fundamental to many image processing applications like data compression, feature extraction, printing and tone mapping. However, some image information is lost…

eess.IV2020★ 30 cited

Real-time Tone Mapping: A State of the Art Report

Yafei Ou, Prasoon Ambalathankandy, Masayuki Ikebe +3

The rising demand for high quality display has ensued active research in high dynamic range (HDR) imaging, which has the potential to replace the standard dynamic range imaging. Th…