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Several existing and successful full reference image quality assessment (IQA) models use linear color transformation and downsampling before measuring similarity or quality of images. This paper indicates to the right order of these two…

多媒体 · 计算机科学 2016-06-21 Hossein Ziaei Nafchi , Mohamed Cheriet

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

In this paper, we present a novel method of no-reference image quality assessment (NR-IQA), which is to predict the perceptual quality score of a given image without using any reference image. The proposed method harnesses three functions…

计算机视觉与模式识别 · 计算机科学 2017-05-30 Diqi Chen , Yizhou Wang , Tianfu Wu , Wen Gao

Image quality assessment (IQA) is a fundamental metric for image processing tasks (e.g., compression). With full-reference IQAs, traditional IQAs, such as PSNR and SSIM, have been used. Recently, IQAs based on deep neural networks (deep…

计算机视觉与模式识别 · 计算机科学 2022-10-12 Koki Tsubota , Hiroaki Akutsu , Kiyoharu Aizawa

Image Quality Assessment (IQA) has long been a research hotspot in the field of image processing, especially No-Reference Image Quality Assessment (NR-IQA). Due to the powerful feature extraction ability, existing Convolution Neural Network…

计算机视觉与模式识别 · 计算机科学 2023-12-13 Jinsong Shi , Pan Gao , Jie Qin

Due to the existence of quality degradations introduced in various stages of visual signal acquisition, compression, transmission and display, image quality assessment (IQA) plays a vital role in image-based applications. According to…

图像与视频处理 · 电气工程与系统科学 2022-04-14 Dongxu Wang

Reinforcement fine-tuning (RFT) is a proliferating paradigm for LMM training. Analogous to high-level reasoning tasks, RFT is similarly applicable to low-level vision domains, including image quality assessment (IQA). Existing RFT-based IQA…

计算机视觉与模式识别 · 计算机科学 2025-08-18 Ziheng Jia , Jiaying Qian , Zicheng Zhang , Zijian Chen , Xiongkuo Min

Diffusion-based models have recently revolutionized image generation, achieving unprecedented levels of fidelity. However, consistent generation of high-quality images remains challenging partly due to the lack of conditioning mechanisms…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Khaled Abud , Sergey Lavrushkin , Alexey Kirillov , Dmitriy Vatolin

In recent years, deep neural networks have been utilized in a wide variety of applications including image generation. In particular, generative adversarial networks (GANs) are able to produce highly realistic pictures as part of tasks such…

图像与视频处理 · 电气工程与系统科学 2020-04-20 Hyunsuk Ko , Dae Yeol Lee , Seunghyun Cho , Alan C. Bovik

Image Quality Assessment (IQA) metrics are widely used to quantitatively estimate the extent of image degradation following some forming, restoring, transforming, or enhancing algorithms. We present PyTorch Image Quality (PIQ), a…

图像与视频处理 · 电气工程与系统科学 2022-09-01 Sergey Kastryulin , Jamil Zakirov , Denis Prokopenko , Dmitry V. Dylov

Background and Objectives: Cardiovascular magnetic resonance (CMR) imaging is a powerful modality in functional and anatomical assessment for various cardiovascular diseases. Sufficient image quality is essential to achieve proper diagnosis…

图像与视频处理 · 电气工程与系统科学 2023-10-02 Shahabedin Nabavi , Hossein Simchi , Mohsen Ebrahimi Moghaddam , Ahmad Ali Abin , Alejandro F. Frangi

No-Reference Image Quality Assessment (NR-IQA) remains a challenging task due to the diversity of distortions and the lack of large annotated datasets. Many studies have attempted to tackle these challenges by developing more accurate…

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

Image Quality Assessment (IQA) is a challenging task that requires training on massive datasets to achieve accurate predictions. However, due to the lack of IQA data, deep learning-based IQA methods typically rely on pre-trained networks…

计算机视觉与模式识别 · 计算机科学 2023-07-11 Xinpeng Li , Ting Jiang , Haoqiang Fan , Shuaicheng Liu

Artificial Intelligence Generated Content (AIGC) has grown rapidly in recent years, among which AI-based image generation has gained widespread attention due to its efficient and imaginative image creation ability. However, AI-generated…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Jiarui Wang , Huiyu Duan , Guangtao Zhai , Xiongkuo Min

In clinical practice MR images are often first seen by radiologists long after the scan. If image quality is inadequate either patients have to return for an additional scan, or a suboptimal interpretation is rendered. An automatic image…

图像与视频处理 · 电气工程与系统科学 2022-01-21 Ke Lei , John M. Pauly , Shreyas S. Vasanawala

Image aesthetics assessment (IAA) aims to estimate the aesthetics of images. Depending on the content of an image, diverse criteria need to be selected to assess its aesthetics. Existing works utilize pre-trained vision backbones based on…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Zhiwei Xiong , Yunfan Zhang , Zhiqi Shen , Peiran Ren , Han Yu

This paper explores how the image quality assessment (IQA) task affects the cognitive processes of people from the perspective of pupil size and studies the relationship between pupil size and image quality. Specifically, we first invited…

图像与视频处理 · 电气工程与系统科学 2025-05-21 Yixuan Gao , Xiongkuo Min , Guangtao Zhai

Image Quality Assessment (IQA) with reference images have achieved great success by imitating the human vision system, in which the image quality is effectively assessed by comparing the query image with its pristine reference image.…

计算机视觉与模式识别 · 计算机科学 2023-12-04 Xudong Li , Jingyuan Zheng , Xiawu Zheng , Runze Hu , Enwei Zhang , Yuting Gao , Yunhang Shen , Ke Li , Yutao Liu , Pingyang Dai , Yan Zhang , Rongrong Ji

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

Blind 360{\deg}image quality assessment (IQA) aims to predict perceptual quality for panoramic images without a pristine reference. Unlike conventional planar images, 360{\deg}content in immersive environments restricts viewers to a limited…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Yujia Wang , Yuyan Li , Jiuming Liu , Fang-Lue Zhang , Xinhu Zheng , Neil. A Dodgson