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Infrared and visible image fusion aims to generate synthetic images simultaneously containing salient features and rich texture details, which can be used to boost downstream tasks. However, existing fusion methods are suffering from the…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Hui Li , Yongbiao Xiao , Chunyang Cheng , Zhongwei Shen , Xiaoning Song

Image denoising is still a challenging issue in many computer vision sub-domains. Recent studies show that significant improvements are made possible in a supervised setting. However, few challenges, such as spatial fidelity and…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Masud An Nur Islam Fahim , Nazmus Saqib , Shafkat Khan Siam , Ho Yub Jung

Denoising and demosaicking are essential yet correlated steps to reconstruct a full color image from the raw color filter array (CFA) data. By learning a deep convolutional neural network (CNN), significant progress has been achieved to…

Image and Video Processing · Electrical Eng. & Systems 2021-09-01 Shi Guo , Zhetong Liang , Lei Zhang

Imaging is usually a mixture problem of incomplete color sampling, noise degradation, and limited resolution. This mixture problem is typically solved by a sequential solution that applies demosaicing (DM), denoising (DN), and…

Image and Video Processing · Electrical Eng. & Systems 2023-03-28 Guocheng Qian , Yuanhao Wang , Jinjin Gu , Chao Dong , Wolfgang Heidrich , Bernard Ghanem , Jimmy S. Ren

Visual restoration and recognition are traditionally addressed in pipeline fashion, i.e. denoising followed by classification. Instead, observing correlations between the two tasks, for example clearer image will lead to better…

Computer Vision and Pattern Recognition · Computer Science 2016-12-06 Gang Chen , Yawei Li , Sargur N. Srihari

Image denoising and demosaicking are the most important early stages in digital camera pipelines. They constitute a severely ill-posed problem that aims at reconstructing a full color image from a noisy color filter array (CFA) image. In…

Image and Video Processing · Electrical Eng. & Systems 2020-04-27 Qiyu Jin , Gabriele Facciolo , Jean-Michel Morel

Image demosaicking and denoising are the first two key steps of the color image production pipeline. The classical processing sequence has for a long time consisted of applying denoising first, and then demosaicking. Applying the operations…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Yu Guo , Qiyu Jin , Gabriele Facciolo , Tieyong Zeng , Jean-Michel Morel

Image reconstruction techniques such as denoising often need to be applied to the RGB output of cameras and cellphones. Unfortunately, the commonly used additive white noise (AWGN) models do not accurately reproduce the noise and the…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Ronnachai Jaroensri , Camille Biscarrat , Miika Aittala , Frédo Durand

Handwritten document-image binarization is a semantic segmentation process to differentiate ink pixels from background pixels. It is one of the essential steps towards character recognition, writer identification, and script-style evolution…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Maruf A. Dhali , Jan Willem de Wit , Lambert Schomaker

The paper addresses the problem of acquiring high-quality photographs with handheld smartphone cameras in low-light imaging conditions. We propose an approach based on capturing pairs of short and long exposure images in rapid succession…

Computer Vision and Pattern Recognition · Computer Science 2020-09-03 Janne Mustaniemi , Juho Kannala , Jiri Matas , Simo Särkkä , Janne Heikkilä

Compared to DSLR cameras, smartphone cameras have smaller sensors, which limits their spatial resolution; smaller apertures, which limits their light gathering ability; and smaller pixels, which reduces their signal-to noise ratio. The use…

Computer Vision and Pattern Recognition · Computer Science 2021-02-18 Bartlomiej Wronski , Ignacio Garcia-Dorado , Manfred Ernst , Damien Kelly , Michael Krainin , Chia-Kai Liang , Marc Levoy , Peyman Milanfar

Image denoising is a classical signal processing problem that has received significant interest within the image processing community during the past two decades. Most of the algorithms for image denoising has focused on the paradigm of…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Varuna De Silva

This paper introduces the Raw Natural Image Noise Dataset (RawNIND), a diverse collection of paired raw images designed to support the development of denoising models that generalize across sensors, image development workflows, and styles.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Benoit Brummer , Christophe De Vleeschouwer

Image defogging is a technique used extensively for enhancing visual quality of images in bad weather condition. Even though defogging algorithms have been well studied, defogging performance is degraded by demosaicking artifacts and sensor…

Computer Vision and Pattern Recognition · Computer Science 2017-05-24 Y. J. Lee , K. Hirakawa , T. Q. Nguyen

Currently, many blind deblurring methods assume blurred images are noise-free and perform unsatisfactorily on the blurry images with noise. Unfortunately, noise is quite common in real scenes. A straightforward solution is to denoise images…

Computer Vision and Pattern Recognition · Computer Science 2020-01-28 Si Miao , Yongxin Zhu

Most digital cameras use sensors coated with a Color Filter Array (CFA) to capture channel components at every pixel location, resulting in a mosaic image that does not contain pixel values in all channels. Current research on…

Computer Vision and Pattern Recognition · Computer Science 2019-05-24 Ramchalam Kinattinkara Ramakrishnan , Shangling Jui , Vahid Patrovi Nia

The capability of image semantic segmentation may be deteriorated due to noisy input image, where image denoising prior to segmentation helps. Both image denoising and semantic segmentation have been developed significantly with the advance…

Computer Vision and Pattern Recognition · Computer Science 2021-02-25 Shunxin Xu , Ke Sun , Dong Liu , Zhiwei Xiong , Zheng-Jun Zha

Over the years, progressive improvements in denoising performance have been achieved by several image denoising algorithms that have been proposed. Despite this, many of these state-of-the-art algorithms tend to smooth out the denoised…

Image and Video Processing · Electrical Eng. & Systems 2021-07-13 Basit O. Alawode , Mudassir Masood , Tarig Ballal , Tareq Al-Naffouri

The demosaicking provokes the spatial and color correlation of noise, which is afterwards enhanced by the imaging pipeline. The correct removal previous or simultaneously with the demosaicking process is not usually considered in the…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Antoni Buades , Joan Duran

This paper work directly towards the improving the quality of the image for the digital cameras and other visual capturing products. In this Paper, the authors clearly defines the problems occurs in the CFA image. A different methodology…

Computer Vision and Pattern Recognition · Computer Science 2012-04-25 Manoj Kumar , Vikas Kaushik , Pradeep Singla