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Although color is a fundamental feature of human visual perception, it has been largely unexplored in the reduced-reference (RR) image quality assessment (IQA) schemes. In this paper, we propose a natural scene statistic (NSS) method, which…

Computer Vision and Pattern Recognition · Computer Science 2014-12-01 Mounir Omari , Mohammed El Hassouni , Abdelkaher Ait Abdelouahad , Hocine Cherifi

This paper deals with a reduced reference (RR) image quality measure based on natural image statistics modeling. For this purpose, Tetrolet transform is used since it provides a convenient way to capture local geometric structures. This…

Computer Vision and Pattern Recognition · Computer Science 2014-12-09 Abdelkaher Ait Abdelouahad , Mohammed El Hassouni , Hocine Cherifi , Driss Aboutajdine

Color distortion can introduce a significant damage in visual quality perception, however, most of existing reduced-reference quality measures are designed for grayscale images. In this paper, we consider a basic extension of well-known…

Computer Vision and Pattern Recognition · Computer Science 2014-12-01 Mounir Omari , Mohammed El Hassouni , Hocine Cherifi , Abdelkaher Ait Abdelouahad

It is an important task to faithfully evaluate the perceptual quality of output images in many applications such as image compression, image restoration and multimedia streaming. A good image quality assessment (IQA) model should not only…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Wufeng Xue , Lei Zhang , Xuanqin Mou , Alan C. Bovik

This paper presents a full-reference image quality estimator based on color, structure, and visual system characteristics denoted as CSV. In contrast to the majority of existing methods, we quantify perceptual color degradations rather than…

Computer Vision and Pattern Recognition · Computer Science 2018-11-14 Dogancan Temel , Ghassan AlRegib

Information-theoretic image quality assessment (IQA) models such as Visual Information Fidelity (VIF) and Spatio-temporal Reduced Reference Entropic Differences (ST-RRED) have enjoyed great success by seamlessly integrating natural scene…

Image and Video Processing · Electrical Eng. & Systems 2023-11-28 Abhinau K. Venkataramanan , Alan C. Bovik

In this paper, a color texture image retrieval framework is proposed based on Shearlet domain modeling using Copula multivariate model. In the proposed framework, Gaussian Copula is used to model the dependencies between different sub-bands…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Sadegh Etemad , Maryam Amirmazlaghani

Microfading Spectrometry (MFS) is a method for assessing light sensitivity color (spectral) variations of cultural heritage objects. The MFS technique provides measurements of the surface under study, where each point of the surface gives…

Applications · Statistics 2019-11-12 Gabriel Riutort-Mayol , Michael Riis Andersen , Aki Vehtari , José Luis Lerma

Most of the standard image and video codecs are block-based and depending upon the compression ratio the compressed images/videos suffer from different distortions. At low ratios, blurriness is observed and as compression increases blocking…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Maryam Viqar , Athar A. Moinuddin , Ekram Khan , M. Ghanbari

Recently, image quality has been generally describedby a mean opinion score (MOS). However, we observe that thequality scores of an image given by a group of subjects are verysubjective and diverse. Thus it is not enough to use a MOS…

Image and Video Processing · Electrical Eng. & Systems 2022-03-03 Yixuan Gao , Xiongkuo Min , Wenhan Zhu , Xiao-Ping Zhang , Guangtao Zhai

Applications of perceptual image quality assessment (IQA) in image and video processing, such as image acquisition, image compression, image restoration and multimedia communication, have led to the development of many IQA metrics. In this…

Computer Vision and Pattern Recognition · Computer Science 2017-04-20 Hossein Ziaei Nafchi , Atena Shahkolaei , Rachid Hedjam , Mohamed Cheriet

Color quantization represents an image using a fraction of its original number of colors while only minimally losing its visual quality. The $k$-means algorithm is commonly used in this context, but has mostly been applied in the…

Image and Video Processing · Electrical Eng. & Systems 2026-05-25 Ranjan Maitra

3D Gaussian Splatting has shown remarkable capabilities in novel view rendering tasks and exhibits significant potential for multi-view optimization.However, the original 3D Gaussian Splatting lacks color representation for inputs in…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Haoran Wang , Jingwei Huang , Lu Yang , Tianchen Deng , Gaojing Zhang , Mingrui Li

This paper addresses the problem of natural image segmentation by extracting information from a multi-layer array which is constructed based on color, gradient, and statistical properties of the local neighborhoods in an image. A Gaussian…

Computer Vision and Pattern Recognition · Computer Science 2016-10-12 Fariba Zohrizadeh , Mohsen Kheirandishfard , Farhad Kamangar

3D Gaussian Splatting (3DGS) has recently emerged as a fast, high-quality method for novel view synthesis (NVS). However, its use of low-degree spherical harmonics limits its ability to capture spatially varying color and view-dependent…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Hoang Chuong Nguyen , Wei Mao , Jose M. Alvarez , Miaomiao Liu

With the rapid advancement of 3D visualization, 3D Gaussian Splatting (3DGS) has emerged as a leading technique for real-time, high-fidelity rendering. While prior research has emphasized algorithmic performance and visual fidelity, the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Zhaolin Wan , Yining Diao , Jingqi Xu , Hao Wang , Zhiyang Li , Xiaopeng Fan , Wangmeng Zuo , Debin Zhao

Information from an image occurs over multiple and distinct spatial scales. Image pyramid multiresolution representations are a useful data structure for image analysis and manipulation over a spectrum of spatial scales. This paper employs…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Steve T. M. Ataky , Diego Saqui , Jonathan de Matos , Alceu S. Britto , Alessandro L. Koerich

Professional color editing requires precise control over both color (hue and saturation) and lightness, ideally through separate, independent controls. We present a real-time interactive color editing framework for 3D Gaussian Splatting…

Graphics · Computer Science 2026-04-03 Cheng-Kang Ted Chao , Yotam Gingold

Existing RGB-D saliency detection models do not explicitly encourage RGB and depth to achieve effective multi-modal learning. In this paper, we introduce a novel multi-stage cascaded learning framework via mutual information minimization to…

Computer Vision and Pattern Recognition · Computer Science 2022-01-07 Jing Zhang , Deng-Ping Fan , Yuchao Dai , Xin Yu , Yiran Zhong , Nick Barnes , Ling Shao

In this paper, a novel and effective image quality assessment (IQA) algorithm based on frequency disparity for high dynamic range (HDR) images is proposed, termed as local-global frequency feature-based model (LGFM). Motivated by the…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Yue Liu , Zhangkai Ni , Shiqi Wang , Hanli Wang , Sam Kwong
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