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Related papers: 4D LUT: Learnable Context-Aware 4D Lookup Table fo…

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Image enhancement is a significant research area in the fields of computer vision and image processing. In recent years, many learning-based methods for image enhancement have been developed, where the Look-up-table (LUT) has proven to be…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Weiwen Chen , Qiuhong Ke , Zinuo Li

3D Lookup Tables (3D LUTs) are widely used for color mapping, but their grid-based representation requires discretizing the RGB space, leading to a capacity-memory trade-off that becomes prohibitive when storing large numbers of LUTs.…

Graphics · Computer Science 2026-05-20 Danna Xue , David Serrano-Lozano , Shaolin Su , Javier Vazquez-Corral

Images captured under low-light conditions manifest poor visibility, lack contrast and color vividness. Compared to conventional approaches, deep convolutional neural networks (CNNs) perform well in enhancing images. However, being solely…

Computer Vision and Pattern Recognition · Computer Science 2021-01-05 Aditya Arora , Muhammad Haris , Syed Waqas Zamir , Munawar Hayat , Fahad Shahbaz Khan , Ling Shao , Ming-Hsuan Yang

Deep learning models have been efficient lately on image parsing tasks. However, deep learning models are not fully capable of exploiting visual and contextual information simultaneously. The proposed three-layer context-based deep…

Computer Vision and Pattern Recognition · Computer Science 2022-04-14 Ranju Mandal , Basim Azam , Brijesh Verma

In this paper, we delve into the concept of interpretable image enhancement, a technique that enhances image quality by adjusting filter parameters with easily understandable names such as "Exposure" and "Contrast". Unlike using predefined…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Satoshi Kosugi

Automatic white balancing (AWB), one of the first steps in an integrated signal processing (ISP) pipeline, aims to correct the color cast induced by the scene illuminant. An incorrect white balance (WB) setting or AWB failure can lead to an…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Sai Kumar Reddy Manne , Michael Wan

Different from color correction and transfer, color grading involves adjusting colors for artistic or storytelling purposes in a video, which is used to establish a specific look or mood. However, due to the complexity of the process and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Seunghyun Shin , Dongmin Shin , Jisu Shin , Hae-Gon Jeon , Joon-Young Lee

Images acquired in low-light environments present significant obstacles for computer vision systems and human perception, especially for applications requiring accurate object recognition and scene analysis. Such images typically manifest…

Image and Video Processing · Electrical Eng. & Systems 2025-10-28 Bibhabasu Debnath , Sahana Ray , Sanjay Ghosh

Enhancing underwater images is crucial for exploration. These images face visibility and color issues due to light changes, water turbidity, and bubbles. Traditional prior-based methods and pixel-based methods often fail, while deep…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Fanghai Yi , Zehong Zheng , Zexiao Liang , Yihang Dong , Xiyang Fang , Wangyu Wu , Xuhang Chen

Current advanced research on infrared and visible image fusion primarily focuses on improving fusion performance, often neglecting the applicability on real-time fusion devices. In this paper, we propose a novel approach that towards…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Xunpeng Yi , Yibing Zhang , Xinyu Xiang , Qinglong Yan , Han Xu , Jiayi Ma

With the rising imaging resolution of handheld devices, existing multi-exposure image fusion algorithms struggle to generate a high dynamic range image with ultra-high resolution in real-time. Apart from that, there is a trend to design a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Xin Su , Zhuoran Zheng

We propose a method for converting a single RGB-D input image into a 3D photo - a multi-layer representation for novel view synthesis that contains hallucinated color and depth structures in regions occluded in the original view. We use a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Meng-Li Shih , Shih-Yang Su , Johannes Kopf , Jia-Bin Huang

Given a degraded input image, image restoration aims to recover the missing high-quality image content. Numerous applications demand effective image restoration, e.g., computational photography, surveillance, autonomous vehicles, and remote…

Image and Video Processing · Electrical Eng. & Systems 2022-05-04 Syed Waqas Zamir , Aditya Arora , Salman Khan , Munawar Hayat , Fahad Shahbaz Khan , Ming-Hsuan Yang , Ling Shao

Convolutional neural networks rely on image texture and structure to serve as discriminative features to classify the image content. Image enhancement techniques can be used as preprocessing steps to help improve the overall image quality…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Vivek Sharma , Ali Diba , Davy Neven , Michael S. Brown , Luc Van Gool , Rainer Stiefelhagen

In this paper, we delve into the realm of 4-D light fields (LFs) to enhance underwater imaging plagued by light absorption, scattering, and other challenges. Contrasting with conventional 2-D RGB imaging, 4-D LF imaging excels in capturing…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Yuji Lin , Junhui Hou , Xianqiang Lyu , Qian Zhao , Deyu Meng

Low-light image enhancement is an important task in computer vision, essential for improving the visibility and quality of images captured in non-optimal lighting conditions. Inadequate illumination can lead to significant information loss…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Ezequiel Perez-Zarate , Oscar Ramos-Soto , Chunxiao Liu , Diego Oliva , Marco Perez-Cisneros

Deep convolutional neural networks (CNN) have recently been shown to generate promising results for aesthetics assessment. However, the performance of these deep CNN methods is often compromised by the constraint that the neural network…

Computer Vision and Pattern Recognition · Computer Science 2017-04-04 Shuang Ma , Jing Liu , Chang Wen Chen

In recent years, learning-based color and tone enhancement methods for photos have become increasingly popular. However, most learning-based image enhancement methods just learn a mapping from one distribution to another based on one…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Shiqi Gao , Huiyu Duan , Xinyue Li , Kang Fu , Yicong Peng , Qihang Xu , Yuanyuan Chang , Jia Wang , Xiongkuo Min , Guangtao Zhai

Photo enhancement plays a crucial role in augmenting the visual aesthetics of a photograph. In recent years, photo enhancement methods have either focused on enhancement performance, producing powerful models that cannot be deployed on edge…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Feng Zhang , Haoyou Deng , Zhiqiang Li , Lida Li , Bin Xu , Qingbo Lu , Zisheng Cao , Minchen Wei , Changxin Gao , Nong Sang , Xiang Bai

In this paper, we introduce a new approach for high-quality multi-exposure image fusion (MEF). We show that the fusion weights of an exposure can be encoded into a 1D lookup table (LUT), which takes pixel intensity value as input and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Ting Jiang , Chuan Wang , Xinpeng Li , Ru Li , Haoqiang Fan , Shuaicheng Liu