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Generally, humans are more skilled at perceiving differences between high-quality (HQ) and low-quality (LQ) images than directly judging the quality of a single LQ image. This situation also applies to image quality assessment (IQA).…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Guanghao Yin , Wei Wang , Zehuan Yuan , Chuchu Han , Wei Ji , Shouqian Sun , Changhu Wang

Image quality assessment (IQA) continues to garner great interest in the research community, particularly given the tremendous rise in consumer video capture and streaming. Despite significant research effort in IQA in the past few decades,…

多媒体 · 计算机科学 2016-09-26 Prajna Paramita Dash , Akshaya Mishra , Alexander Wong

This paper presents a high-performance general-purpose no-reference (NR) image quality assessment (IQA) method based on image entropy. The image features are extracted from two domains. In the spatial domain, the mutual information between…

计算机视觉与模式识别 · 计算机科学 2018-12-31 Xiaoqiao Chen , Qingyi Zhang , Manhui Lin , Guangyi Yang , Chu He

Recently, image quality assessment (IQA) has achieved remarkable progress with the success of deep learning. However, the strict pre-condition of full-reference (FR) methods has limited its application in real scenarios. And the…

图像与视频处理 · 电气工程与系统科学 2021-09-17 Jingyu Guo , Wei Wang , Wenming Yang , Qingmin Liao , Jie Zhou

Reliable image quality assessment is essential in applications where large volumes of images are acquired automatically and must be filtered before further analysis. In many practical scenarios, a pristine reference image is unavailable,…

计算机视觉与模式识别 · 计算机科学 2026-04-16 Koffi Titus Sergio Aglin , Anthony K. Muchiri , Celestin Nkundineza

The no-reference image quality assessment is a challenging domain that addresses estimating image quality without the original reference. We introduce an improved mechanism to extract local and non-local information from images via…

图像与视频处理 · 电气工程与系统科学 2024-09-12 Mohammed Alsaafin , Musab Alsheikh , Saeed Anwar , Muhammad Usman

No-reference image quality assessment (NR-IQA) aims to measure the image quality without reference image. However, contrast distortion has been overlooked in the current research of NR-IQA. In this paper, we propose a very simple but…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Jia Yan , Jie Li , Xin Fu

The current state-of-the-art No-Reference Image Quality Assessment (NR-IQA) methods typically rely on feature extraction from upstream semantic backbone networks, assuming that all extracted features are relevant. However, we make a key…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Xudong Li , Timin Gao , Runze Hu , Yan Zhang , Shengchuan Zhang , Xiawu Zheng , Jingyuan Zheng , Yunhang Shen , Ke Li , Yutao Liu , Pingyang Dai , Rongrong Ji

The goal of full-reference image quality assessment (FR-IQA) is to predict the quality of an image as perceived by human observers with using its pristine, reference counterpart. In this study, we explore a novel, combined approach which…

计算机视觉与模式识别 · 计算机科学 2020-12-04 Domonkos Varga

Automatic perception of image quality is a challenging problem that impacts billions of Internet and social media users daily. To advance research in this field, we propose a no-reference image quality assessment (NR-IQA) method termed…

计算机视觉与模式识别 · 计算机科学 2024-05-08 Zhen Zhang

Recent advancements in the field of No-Reference Image Quality Assessment (NR-IQA) using deep learning techniques demonstrate high performance across multiple open-source datasets. However, such models are typically very large and complex…

计算机视觉与模式识别 · 计算机科学 2024-09-09 Nasim Jamshidi Avanaki , Abhijay Ghildyal , Nabajeet Barman , Saman Zadtootaghaj

No-reference image quality assessment (NR-IQA) is a fundamental yet challenging task in low-level computer vision community. The difficulty is particularly pronounced for the limited information, for which the corresponding reference for…

计算机视觉与模式识别 · 计算机科学 2018-04-06 Kwan-Yee Lin , Guanxiang Wang

In this paper, we propose a no-reference (NR) image quality assessment (IQA) method via feature level pseudo-reference (PR) hallucination. The proposed quality assessment framework is grounded on the prior models of natural image…

图像与视频处理 · 电气工程与系统科学 2022-10-26 Baoliang Chen , Lingyu Zhu , Chenqi Kong , Hanwei Zhu , Shiqi Wang , Zhu Li

No-reference image quality assessment (NR-IQA) has received increasing attention in the IQA community since reference image is not always available. Real-world images generally suffer from various types of distortion. Unfortunately,…

图像与视频处理 · 电气工程与系统科学 2020-01-07 Fu-Zhao Ou , Yuan-Gen Wang , Jin Li , Guopu Zhu , Sam Kwong

Objective image quality evaluation is a challenging task, which aims to measure the quality of a given image automatically. According to the availability of the reference images, there are Full-Reference and No-Reference IQA tasks,…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Chao Zeng , Sam Kwong

A long-held challenge in no-reference image quality assessment (NR-IQA) learning from human subjective perception is the lack of objective generalization to unseen natural distortions. To address this, we integrate a novel Depth-Guided…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Vaishnav Ramesh , Junliang Liu , Haining Wang , Md Jahidul Islam

No-Reference Image Quality Assessment (NR-IQA) aims to assess the perceptual quality of images in accordance with human subjective perception. Unfortunately, existing NR-IQA methods are far from meeting the needs of predicting accurate…

计算机视觉与模式识别 · 计算机科学 2022-04-22 Sidi Yang , Tianhe Wu , Shuwei Shi , Shanshan Lao , Yuan Gong , Mingdeng Cao , Jiahao Wang , Yujiu Yang

Evaluating the perceptual quality of Novel View Synthesis (NVS) images remains a key challenge, particularly in the absence of pixel-aligned ground truth references. Full-Reference Image Quality Assessment (FR-IQA) methods fail under…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Abhijay Ghildyal , Rajesh Sureddi , Nabajeet Barman , Saman Zadtootaghaj , Alan Bovik

Image quality assessment(IQA) is of increasing importance for image-based applications. Its purpose is to establish a model that can replace humans for accurately evaluating image quality. According to whether the reference image is…

图像与视频处理 · 电气工程与系统科学 2022-01-12 Lanjiang Wang

New multinuclear MRI techniques, such as sodium MRI, generally suffer from low image quality due to an inherently low signal. Postprocessing methods, such as image denoising, have been developed for image enhancement. However, the…