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Related papers: Deep Image Debanding

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Banding artifacts, which manifest as staircase-like color bands on pictures or video frames, is a common distortion caused by compression of low-textured smooth regions. These false contours can be very noticeable even on high-quality…

Image and Video Processing · Electrical Eng. & Systems 2020-10-28 Zhengzhong Tu , Jessie Lin , Yilin Wang , Balu Adsumilli , Alan C. Bovik

Banding artifact, or false contouring, is a common video compression impairment that tends to appear on large flat regions in encoded videos. These staircase-shaped color bands can be very noticeable in high-definition videos. Here we study…

Image and Video Processing · Electrical Eng. & Systems 2020-02-28 Zhengzhong Tu , Jessie Lin , Yilin Wang , Balu Adsumilli , Alan C. Bovik

Banding, also known as staircase-like contours, frequently occurs in flat areas of images/videos processed by the compression or quantization algorithms. As undesirable artifacts, banding destroys the original image structure, thus…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Zijian Chen , Wei Sun , Jun Jia , Fangfang Lu , Zicheng Zhang , Jing Liu , Ru Huang , Xiongkuo Min , Guangtao Zhai

Banding artifacts are artificially-introduced contours arising from the quantization of a smooth region in a video. Despite the advent of recent higher quality video systems with more efficient codecs, these artifacts remain conspicuous,…

Image and Video Processing · Electrical Eng. & Systems 2021-02-02 Pulkit Tandon , Mariana Afonso , Joel Sole , Lukáš Krasula

Banding artifact, as known as staircase-like contour, is a common quality annoyance that happens in compression, transmission, etc. scenarios, which largely affects the user's quality of experience (QoE). The banding distortion typically…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Zijian Chen , Wei Sun , Zicheng Zhang , Ru Huang , Fangfang Lu , Xiongkuo Min , Guangtao Zhai , Wenjun Zhang

Although there have been notable advancements in video compression technologies in recent years, banding artifacts remain a serious issue affecting the quality of compressed videos, particularly on smooth regions of high-definition videos.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Qi Zheng , Li-Heng Chen , Chenlong He , Neil Berkbeck , Yilin Wang , Balu Adsumilli , Alan C. Bovik , Yibo Fan , Zhengzhong Tu

Compression at low bitrates in modern codecs often introduces banding artifacts, especially in smooth regions such as skies. These artifacts degrade visual quality and are common in user-generated content due to repeated transcoding. We…

Image and Video Processing · Electrical Eng. & Systems 2025-12-10 Xinyi Wang , Smaranda Tasmoc , Nantheera Anantrasirichai , Angeliki Katsenou

Image denoising is an essential part of many image processing and computer vision tasks due to inevitable noise corruption during image acquisition. Traditionally, many researchers have investigated image priors for the denoising, within…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Jae Woong Soh , Nam Ik Cho

Blind deblurring consists a long studied task, however the outcomes of generic methods are not effective in real world blurred images. Domain-specific methods for deblurring targeted object categories, e.g. text or faces, frequently…

Computer Vision and Pattern Recognition · Computer Science 2017-05-26 Grigorios G. Chrysos , Stefanos Zafeiriou

Image deblurring is a classic problem in low-level computer vision with the aim to recover a sharp image from a blurred input image. Advances in deep learning have led to significant progress in solving this problem, and a large number of…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Kaihao Zhang , Wenqi Ren , Wenhan Luo , Wei-Sheng Lai , Bjorn Stenger , Ming-Hsuan Yang , Hongdong Li

The Deepfake technology has raised serious concerns regarding privacy breaches and trust issues. To tackle these challenges, Deepfake detection technology has emerged. Current methods over-rely on the global feature space, which contains…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Weijie Zhou , Xiaoqing Luo , Zhancheng Zhang , Jiachen He , Xiaojun Wu

Staircase-like contours introduced to a video by quantization in flat areas, commonly known as banding, have been a long-standing problem in both video processing and quality assessment communities. The fact that even a relatively small…

Multimedia · Computer Science 2022-02-23 Lukáš Krasula , Zhi Li , Christos G. Bampis , Mariana Afonso , Nil Fons Miret , Joel Sole

Image deblurring is a fundamental and challenging low-level vision problem. Previous vision research indicates that edge structure in natural scenes is one of the most important factors to estimate the abilities of human visual perception.…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Zhichao Fu , Tianlong Ma , Yingbin Zheng , Hao Ye , Jing Yang , Liang He

Deep learning based approaches have been used to improve image quality in cone-beam computed tomography (CBCT), a medical imaging technique often used in applications such as image-guided radiation therapy, implant dentistry or…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Mohammadreza Amirian , Daniel Barco , Ivo Herzig , Frank-Peter Schilling

Blind image decomposition aims to decompose all components present in an image, typically used to restore a multi-degraded input image. While fully recovering the clean image is appealing, in some scenarios, users might want to retain…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Zeyu Zhang , Junlin Han , Chenhui Gou , Hongdong Li , Liang Zheng

In this work, we describe a new deep learning based method that can effectively distinguish AI-generated fake videos (referred to as {\em DeepFake} videos hereafter) from real videos. Our method is based on the observations that current…

Computer Vision and Pattern Recognition · Computer Science 2019-05-23 Yuezun Li , Siwei Lyu

Deepfake technologies have been blurring the boundaries between the real and unreal, likely resulting in malicious events. By leveraging newly emerged deepfake technologies, deepfake researchers have been making a great upending to create…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Yabin Wang , Zhiwu Huang , Xiaopeng Hong

One of the more significant obstacles in classification of skin cancer is the presence of artifacts. This paper investigates the effect of dark corner artifacts, which result from the use of dermoscopes, on the performance of a deep…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Samuel William Pewton , Bill Cassidy , Connah Kendrick , Moi Hoon Yap

DeepFake involves the use of deep learning and artificial intelligence techniques to produce or change video and image contents typically generated by GANs. Moreover, it can be misused and leads to fictitious news, ethical and financial…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Mahsa Soleimani , Ali Nazari , Mohsen Ebrahimi Moghaddam

Image matting is a fundamental computer vision problem and has many applications. Previous algorithms have poor performance when an image has similar foreground and background colors or complicated textures. The main reasons are prior…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Ning Xu , Brian Price , Scott Cohen , Thomas Huang
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