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It is well-known that there is no universal metric for image quality evaluation. In this case, distortion-specific metrics can be more reliable. The artifact imposed by image compression can be considered as a combination of various…

Image and Video Processing · Electrical Eng. & Systems 2024-02-05 S. Farhad Hosseini-Benvidi , Hossein Motamednia , Azadeh Mansouri , Mohammadreza Raei , Ahmad Mahmoudi-Aznaveh

Autonomous driving is a challenging scenario for image segmentation due to the presence of uncontrolled environmental conditions and the eventually catastrophic consequences of failures. Previous work suggested that a biologically motivated…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Pablo Hernández-Cámara , Jorge Vila-Tomás , Paula Dauden-Oliver , Nuria Alabau-Bosque , Valero Laparra , Jesús Malo

Relative colour constancy is an essential requirement for many scientific imaging applications. However, most digital cameras differ in their image formations and native sensor output is usually inaccessible, e.g., in smartphone camera…

Image and Video Processing · Electrical Eng. & Systems 2022-11-23 Yunfeng Zhao , Stuart Ferguson , Huiyu Zhou , Chris Elliott , Karen Rafferty

The sensitivity of deep neural networks to compressed images hinders their usage in many real applications, which means classification networks may fail just after taking a screenshot and saving it as a compressed file. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2023-04-24 Li Ma , Peixi Peng , Guangyao Chen , Yifan Zhao , Siwei Dong , Yonghong Tian

There has been a growing interest in developing image super-resolution (SR) algorithms that convert low-resolution (LR) to higher resolution images, but automatically evaluating the visual quality of super-resolved images remains a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Wei Zhou , Zhou Wang

Image learning and colorization are hot spots in multimedia domain. Inspired by the learning capability of humans, in this paper, we propose an automatic colorization method with a learning framework. This method can be viewed as a hybrid…

Computer Vision and Pattern Recognition · Computer Science 2022-09-14 Zhenfeng Xue , Jiandang Yang , Jie Ren , Yong Liu

Deep learning for computer vision depends on lossy image compression: it reduces the storage required for training and test data and lowers transfer costs in deployment. Mainstream datasets and imaging pipelines all rely on standard JPEG…

Computer Vision and Pattern Recognition · Computer Science 2020-03-09 Zhijing Li , Christopher De Sa , Adrian Sampson

An average healthy person does not perceive the world in just black and white. Moreover, the perceived world is not composed of pixels and through vision humans perceive structures. However, the acquisition and display systems discretize…

Image and Video Processing · Electrical Eng. & Systems 2018-11-26 Dogancan Temel , Ghassan AlRegib

This paper gives a new scheme of colour image compression related to singular values matrix approximation. The image has to be converted in luminance / chrominance space before being processed like JPEG standard 4 : 2 : 0. Our approach is…

Information Theory · Computer Science 2013-08-06 Henri Bruno Razafindradina , Paul Auguste Randriamitantsoa , Nicolas Raft Razafindrakoto

Filtering multi-dimensional images such as color images, color videos, multispectral images and magnetic resonance images is challenging in terms of both effectiveness and efficiency. Leveraging the nonlocal self-similarity (NLSS)…

Image and Video Processing · Electrical Eng. & Systems 2020-11-09 Zhaoming Kong , Xiaowei Yang , Lifang He

In this paper, we examine the optimal quantization of signals for system identification. We deal with memoryless quantization for the output signals and derive the optimal quantization schemes. The objective functions are the errors of…

Optimization and Control · Mathematics 2009-05-13 Koji Tsumura

In the field of computer vision, the persistent presence of color bias, resulting from fluctuations in real-world lighting and camera conditions, presents a substantial challenge to the robustness of models. This issue is particularly…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Yunpeng Gong , Jiaquan Li , Lifei Chen , Min Jiang

Artificial intelligence provides an unprecedented perspective for studying phases of matter in condensed-matter systems. Image segmentation is a basic technique of computer vision that belongs to a branch of artificial intelligence. In this…

Strongly Correlated Electrons · Physics 2021-04-13 Yuan Yang , Zhengchuan Wang , Shi-Ju Ran , Gang Su

This paper investigates the trade-off between computational resource utilization and image quality in the context of image fusion techniques for smartphone camera capture. The study explores various combinations of fusion methods, fusion…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Lucas N. Kirsten

Computational aesthetics is an emerging field of research which has attracted different research groups in the last few years. In this field, one of the main approaches to evaluate the aesthetic quality of paintings and photographs is a…

Computer Vision and Pattern Recognition · Computer Science 2016-09-20 Seyed Ali Amirshahi , Gregor Uwe Hayn-Leichsenring , Joachim Denzler , Christoph Redies

Advances in high dynamic range (HDR) lighting estimation from a single image have opened new possibilities for augmented reality (AR) applications. Predicting complex lighting environments from a single input image allows for the realistic…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Zitian Zhang , Joshua Urban Davis , Jeanne Phuong Anh Vu , Jiangtao Kuang , Jean-François Lalonde

The main idea of this paper is to explore the possibilities of generating samples from the neural networks, mostly focusing on the colorization of the grey-scale images. I will compare the existing methods for colorization and explore the…

Graphics · Computer Science 2018-12-31 Wonbong Jang

Evaluating text-to-vision content hinges on two crucial aspects: visual quality and alignment. While significant progress has been made in developing objective models to assess these dimensions, the performance of such models heavily relies…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Zicheng Zhang , Tengchuan Kou , Shushi Wang , Chunyi Li , Wei Sun , Wei Wang , Xiaoyu Li , Zongyu Wang , Xuezhi Cao , Xiongkuo Min , Xiaohong Liu , Guangtao Zhai

Recently, transformer has achieved remarkable performance on a variety of computer vision applications. Compared with mainstream convolutional neural networks, vision transformers are often of sophisticated architectures for extracting…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Zhenhua Liu , Yunhe Wang , Kai Han , Siwei Ma , Wen Gao

This paper addresses the limitations of conventional vector quantization algorithms, particularly K-Means and its variant K-Means++, and investigates the Stochastic Quantization (SQ) algorithm as a scalable alternative for high-dimensional…

Machine Learning · Computer Science 2025-03-11 Anton Kozyriev , Vladimir Norkin