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Over the past few years, deep neural models have made considerable advances in image quality assessment (IQA). However, the underlying reasons for their success remain unclear, owing to the complex nature of deep neural networks. IQA aims…

计算机视觉与模式识别 · 计算机科学 2025-06-30 Kirillov Alexey , Andrey Moskalenko , Dmitriy Vatolin

Due to the subjective nature of image quality assessment (IQA), assessing which image has better quality among a sequence of images is more reliable than assigning an absolute mean opinion score for an image. Thus, IQA models are evaluated…

计算机视觉与模式识别 · 计算机科学 2024-01-22 Zewen Chen , Juan Wang , Bing Li , Chunfeng Yuan , Weiming Hu , Junxian Liu , Peng Li , Yan Wang , Youqun Zhang , Congxuan Zhang

While learned image compression (LIC) focuses on efficient data transmission, generative image compression (GIC) extends this framework by integrating generative modeling to produce photo-realistic reconstructed images. In this paper, we…

图像与视频处理 · 电气工程与系统科学 2025-05-28 Minghao Han , Weiyi You , Jinhua Zhang , Leheng Zhang , Ce Zhu , Shuhang Gu

Modeling statistics of image priors is useful for image super-resolution, but little attention has been paid from the massive works of deep learning-based methods. In this work, we propose a Bayesian image restoration framework, where…

图像与视频处理 · 电气工程与系统科学 2022-04-05 Shangqi Gao , Xiahai Zhuang

Infrared-visible image fusion aims to integrate infrared and visible information into a single fused image. Existing 2D fusion methods focus on fusing images from fixed camera viewpoints, neglecting a comprehensive understanding of complex…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Chao Yang , Deshui Miao , Chao Tian , Guoqing Zhu , Yameng Gu , Zhenyu He

Traditional deep neural network (DNN)-based image quality assessment (IQA) models leverage convolutional neural networks (CNN) or Transformer to learn the quality-aware feature representation, achieving commendable performance on natural…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Puyi Wang , Wei Sun , Zicheng Zhang , Jun Jia , Yanwei Jiang , Zhichao Zhang , Xiongkuo Min , Guangtao Zhai

Video Quality Assessment (VQA), which aims to predict the perceptual quality of a video, has attracted raising attention with the rapid development of streaming media technology, such as Facebook, TikTok, Kwai, and so on. Compared with…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Kun Yuan , Zishang Kong , Chuanchuan Zheng , Ming Sun , Xing Wen

Existing deep learning-based full-reference IQA (FR-IQA) models usually predict the image quality in a deterministic way by explicitly comparing the features, gauging how severely distorted an image is by how far the corresponding feature…

图像与视频处理 · 电气工程与系统科学 2022-09-21 Xingran Liao , Baoliang Chen , Hanwei Zhu , Shiqi Wang , Mingliang Zhou , Sam Kwong

Region-of-Interest (ROI)-based image compression allocates bits unevenly according to the semantic importance of different regions. Such differentiated coding typically induces a sharp-peaked and heavy-tailed distribution. This distribution…

图像与视频处理 · 电气工程与系统科学 2026-02-03 Kai Hu , Junfu Tan , Fang Xu , Ramy Samy , Yu Liu

When developing machine learning models, image quality assessment (IQA) measures are a crucial component for the evaluation of obtained output images. However, commonly used full-reference IQA (FR-IQA) measures have been primarily developed…

This short note reviews so-called Natural Gradient Descent (NGD) for multivariate Gaussians. The Fisher Information Matrix (FIM) is derived for several different parameterizations of Gaussians. Careful attention is paid to the symmetric…

机器学习 · 统计学 2020-10-20 Timothy D. Barfoot

The semantic segmentation task aims at dense classification at the pixel-wise level. Deep models exhibited progress in tackling this task. However, one remaining problem with these approaches is the loss of spatial precision, often produced…

计算机视觉与模式识别 · 计算机科学 2022-07-20 Darwin Saire , Adín Ramírez Rivera

Image quality assessment (IQA) aims to estimate human perception based image visual quality. Although existing deep neural networks (DNNs) have shown significant effectiveness for tackling the IQA problem, it still needs to improve the…

图像与视频处理 · 电气工程与系统科学 2020-12-04 Wei Zhou , Zhibo Chen

Generative semantic communication (Gen-SemCom) with large artificial intelligence (AI) model promises a transformative paradigm for 6G networks, which reduces communication costs by transmitting low-dimensional prompts rather than raw data.…

图像与视频处理 · 电气工程与系统科学 2025-05-16 Jianhao Huang , Qunsong Zeng , Kaibin Huang

Full-reference image quality metrics (FR-IQMs) aim to measure the visual differences between a pair of reference and distorted images, with the goal of accurately predicting human judgments. However, existing FR-IQMs, including traditional…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Uğur Çoğalan , Mojtaba Bemana , Hans-Peter Seidel , Karol Myszkowski

Image quality assessment (IQA) is very important for both end-users and service providers since a high-quality image can significantly improve the user's quality of experience (QoE) and also benefit lots of computer vision algorithms. Most…

多媒体 · 计算机科学 2023-04-28 Wei Sun , Xiongkuo Min , Danyang Tu , Guangtao Zhai , Siwei Ma

Generalized additive index models (GAIMs) offer a flexible semiparametric framework for capturing complex data relationships, balancing the interpretability of parametric models with the flexibility of nonparametric approaches. However,…

统计方法学 · 统计学 2026-05-29 Ziyu Peng , Linglingzhi Zhu , Yao Xie

The rapid development of high-throughput technologies has enabled the generation of data from biological or disease processes that span multiple layers, like genomic, proteomic or metabolomic data, and further pertain to multiple sources,…

机器学习 · 统计学 2022-01-25 Subhabrata Majumdar , George Michailidis

We propose a Gaussian mixture model for background subtraction in infrared imagery. Following a Bayesian approach, our method automatically estimates the number of Gaussian components as well as their parameters, while simultaneously it…

计算机视觉与模式识别 · 计算机科学 2015-06-30 Konstantinos Makantasis , Anastasios Doulamis , Nikolaos Doulamis

Significant progress has been made in detecting synthetic images, however most existing approaches operate on a single image instance and overlook a key characteristic of real-world dissemination: as viral images circulate on the web,…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Fabrizio Guillaro , Vincenzo De Rosa , Davide Cozzolino , Luisa Verdoliva