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20242026
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cs.CV2026

IA-CLAHE: Image-Adaptive Clip Limit Estimation for CLAHE

Rikuto Otsuka, Yuho Shoji, Yuka Ogino +2

This paper proposes image-adaptive contrast limited adaptive histogram equalization (IA-CLAHE). Conventional CLAHE is widely used to boost the performance of various computer visio…

cs.CV2025

Target Driven Adaptive Loss For Infrared Small Target Detection

Yuho Shoji, Takahiro Toizumi, Atsushi Ito

We propose a target driven adaptive (TDA) loss to enhance the performance of infrared small target detection (IRSTD). Prior works have used loss functions, such as binary cross-ent…

cs.CV2025

Rethinking Image Histogram Matching for Image Classification

Rikuto Otsuka, Yuho Shoji, Yuka Ogino +2

This paper rethinks image histogram matching (HM) and proposes a differentiable and parametric HM preprocessing for a downstream classifier. Convolutional neural networks have demo…

cs.CV2025

CURVE: CLIP-Utilized Reinforcement Learning for Visual Image Enhancement via Simple Image Processing

Yuka Ogino, Takahiro Toizumi, Atsushi Ito

Low-Light Image Enhancement (LLIE) is crucial for improving both human perception and computer vision tasks. This paper addresses two challenges in zero-reference LLIE: obtaining p…

cs.CV2025

Recognition-Oriented Low-Light Image Enhancement based on Global and Pixelwise Optimization

Seitaro Ono, Yuka Ogino, Takahiro Toizumi +2

In this paper, we propose a novel low-light image enhancement method aimed at improving the performance of recognition models. Despite recent advances in deep learning, the recogni…

cs.CV2024

ERUP-YOLO: Enhancing Object Detection Robustness for Adverse Weather Condition by Unified Image-Adaptive Processing

Yuka Ogino, Yuho Shoji, Takahiro Toizumi +1

We propose an image-adaptive object detection method for adverse weather conditions such as fog and low-light. Our framework employs differentiable preprocessing filters to perform…