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Low-light image enhancement (LLE) remains challenging due to the unfavorable prevailing low-contrast and weak-visibility problems of single RGB images. In this paper, we respond to the intriguing learning-related question -- if leveraging…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Dong Liang , Ling Li , Mingqiang Wei , Shuo Yang , Liyan Zhang , Wenhan Yang , Yun Du , Huiyu Zhou

Digital camera and mobile document image acquisition are new trends arising in the world of Optical Character Recognition and text detection. In some cases, such process integrates many distortions and produces poorly scanned text or…

Computer Vision and Pattern Recognition · Computer Science 2015-09-14 Abdeslam El Harraj , Naoufal Raissouni

Image restoration under hazy weather condition, which is called single image dehazing, has been of significant interest for various computer vision applications. In recent years, deep learning-based methods have achieved success. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Tao Wang , Guangpin Tao , Wanglong Lu , Kaihao Zhang , Wenhan Luo , Xiaoqin Zhang , Tong Lu

Hyperspectral (HS) unmixing is the process of decomposing an HS image into material-specific spectra (endmembers) and their spatial distributions (abundance maps). Existing unmixing methods have two limitations with respect to noise…

Image and Video Processing · Electrical Eng. & Systems 2024-03-20 Kazuki Naganuma , Shunsuke Ono

Dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) is essential for breast cancer diagnosis due to its ability to characterize tissue through contrast agent kinetics. However, traditional DCE-MRI protocols require multiple…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Ruben D. Fonnegra , Maria Liliana Hernández , Juan C. Caicedo , Gloria M. Díaz

Supervised Gaussian denoisers exhibit limited generalization when confronted with out-of-distribution noise, due to the diverse distributional characteristics of different noise types. To bridge this gap, we propose a histogram matching…

Computer Vision and Pattern Recognition · Computer Science 2025-10-09 Sheng Fu , Junchao Zhang , Kailun Yang

This paper introduces a novel approach to the fine alignment of images in a burst captured by a handheld camera. In contrast to traditional techniques that estimate two-dimensional transformations between frame pairs or rely on discrete…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Bruno Lecouat , Yann Dubois de Mont-Marin , Théo Bodrito , Julien Mairal , Jean Ponce

As critical visual details become obscured, the low visibility and high ISO noise in extremely low-light images pose a significant challenge to human pose estimation. Current methods fail to provide high-quality representations due to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Feng Zhang , Ze Li , Xiatian Zhu , Lei Chen

Medical image enhancement is crucial for improving the quality and interpretability of diagnostic images, ultimately supporting early detection, accurate diagnosis, and effective treatment planning. Despite advancements in imaging…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Chun Wai Chin , Haniza Yazid , Hoi Leong Lee

The typical contrastive self-supervised algorithm uses a similarity measure in latent space as the supervision signal by contrasting positive and negative images directly or indirectly. Although the utility of self-supervised algorithms has…

Computer Vision and Pattern Recognition · Computer Science 2021-01-14 David Torpey , Richard Klein

Low-Light Image Enhancement (LLIE) task aims at improving contrast while restoring details and textures for images captured in low-light conditions. HVI color space has made significant progress in this task by enabling precise decoupling…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Xin Xu , Hao Liu , Wei Liu , Wei Wang , Jiayi Wu , Kui Jiang

Automatic image clustering is a cornerstone of computer vision, yet its application to image enhancement remains limited, primarily due to the difficulty of defining clusters that are meaningful for this specific task. To address this…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Giulia Bonino , Luca Alberto Rizzo

The quality of visual input is very important for both human and machine perception. Consequently many processing techniques exist that deal with different distortions. Usually image processing is applied freely and lacks redundancy…

Image and Video Processing · Electrical Eng. & Systems 2021-02-10 Sascha Xu , Jan Bauer , Benjamin Axmann

Dithering is a technique that can improve human perception of low-resolution data by reducing quantization artifacts. In this work we formalize and analytically justify two metrics for quantization artifact prominence, using them to design…

Signal Processing · Electrical Eng. & Systems 2024-02-27 Morriel Kasher , Michael Tinston , Predrag Spasojevic

Imaging polarimetry allows more information to be extracted from a scene than conventional intensity or colour imaging. However, a major challenge of imaging polarimetry is image degradation due to noise. This paper investigates the…

Computer Vision and Pattern Recognition · Computer Science 2018-05-09 Alexander B. Tibbs , Ilse M. Daly , Nicholas W. Roberts , David R. Bull

Hyperspectral image (HSI) densely samples the world in both the space and frequency domain and therefore is more distinctive than RGB images. Usually, HSI needs to be calibrated to minimize the impact of various illumination conditions. The…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Zhuoran Du , Shaodi You , Cheng Cheng , Shikui Wei

Due to its physical nature, the solar corona exhibits large spatial variations of intensity that make it difficult to simultaneously visualize the features present at all levels and scales. Many general-purpose and specialized filters have…

Instrumentation and Methods for Astrophysics · Physics 2023-02-08 Frédéric Auchère , Elie Soubrié , Gabriel Pelouze , Éric Buchlin

We propose a novel method for adjusting luminance for multi-exposure image fusion. For the adjustment, two novel scene segmentation approaches based on luminance distribution are also proposed. Multi-exposure image fusion is a method for…

Multimedia · Computer Science 2019-04-23 Yuma Kinoshita , Hitoshi Kiya

Nowadays, image-to-image translation methods, are the state of the art for the enhancement of natural images. Even if they usually show high performance in terms of accuracy, they often suffer from several limitations such as the generation…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Marco Cotogni , Claudio Cusano

The performance of the Fingerprint recognition system will be more accurate with respect of enhancement for the fingerprint images. In this paper we develop a novel method for Fingerprint image contrast enhancement technique based on the…

Computer Vision and Pattern Recognition · Computer Science 2011-06-29 D. Bennet , Dr. S. Arumuga Perumal
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