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Most modern No-Reference Image-Quality Assessment (NR-IQA) metrics are based on neural networks vulnerable to adversarial attacks. Attacks on such metrics lead to incorrect image/video quality predictions, which poses significant risks,…

图像与视频处理 · 电气工程与系统科学 2024-11-20 Ekaterina Shumitskaya , Mikhail Pautov , Dmitriy Vatolin , Anastasia Antsiferova

To improve the viewer's Quality of Experience (QoE) and optimize computer graphics applications, 3D model quality assessment (3D-QA) has become an important task in the multimedia area. Point cloud and mesh are the two most widely used…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Zicheng Zhang , Wei Sun , Xiongkuo Min , Tao Wang , Wei Lu , Guangtao Zhai

Deep neural networks have demonstrated impressive success in No-Reference Image Quality Assessment (NR-IQA). However, recent researches highlight the vulnerability of NR-IQA models to subtle adversarial perturbations, leading to…

图像与视频处理 · 电气工程与系统科学 2024-04-25 Chenxi Yang , Yujia Liu , Dingquan Li , Yan Zhong , Tingting Jiang

Image quality plays an important role in the performance of deep neural networks (DNNs) that have been widely shown to exhibit sensitivity to changes in imaging conditions. Conventional image quality assessment (IQA) seeks to measure and…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Nathan Drenkow , Mathias Unberath

No-Reference Image Quality Assessment (NR-IQA), responsible for assessing the quality of a single input image without using any reference, plays a critical role in evaluating and optimizing computer vision systems, e.g., low-light…

计算机视觉与模式识别 · 计算机科学 2025-02-24 Yi Yu , Song Xia , Xun Lin , Wenhan Yang , Shijian Lu , Yap-peng Tan , Alex Kot

This study introduces a novel no-reference image quality metric aimed at assessing image sharpness. Designed to be robust against variations in noise, exposure, contrast, and image content, it measures the normalized decay rate of gradients…

图像与视频处理 · 电气工程与系统科学 2024-10-15 Lucas Gonzalo Antonel

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

Objective:To develop a no-reference image quality assessment method using automated distortion recognition to boost MRI-guided radiotherapy precision.Methods:We analyzed 106,000 MR images from 10 patients with liver metastasis,captured with…

图像与视频处理 · 电气工程与系统科学 2024-12-11 Zilin Wang , Shengqi Chen , Jianrong Dai , Shirui Qin , Ying Cao , Ruiao Zhao , Guohua Wu , Yuan Tang , Jiayun Chen

Image Quality Assessment (IQA) is essential in various Computer Vision tasks such as image deblurring and super-resolution. However, most IQA methods require reference images, which are not always available. While there are some…

图像与视频处理 · 电气工程与系统科学 2024-05-06 Han Cui , Alfredo De Goyeneche , Efrat Shimron , Boyuan Ma , Michael Lustig

Image Quality Assessment (IQA) algorithms evaluate the perceptual quality of an image using evaluation scores that assess the similarity or difference between two images. We propose a new low-level feature based IQA technique, which applies…

多媒体 · 计算机科学 2017-12-04 Navaneeth K. Kottayil , Irene Cheng , Frederic Dufaux , Anup Basu

We introduce several new datasets namely ImageNet-A/O and ImageNet-R as well as a synthetic environment and testing suite we called CAOS. ImageNet-A/O allow researchers to focus in on the blind spots remaining in ImageNet. ImageNet-R was…

计算机视觉与模式识别 · 计算机科学 2022-01-03 Steven Basart

In this paper, we introduce an image quality assessment (IQA) method for pediatric T1- and T2-weighted MR images. IQA is first performed slice-wise using a nonlocal residual neural network (NR-Net) and then volume-wise by agglomerating the…

计算机视觉与模式识别 · 计算机科学 2020-05-26 Siyuan Liu , Kim-Han Thung , Weili Lin , Pew-Thian Yap , Dinggang Shen

Image Quality Assessment (IQA) models are increasingly relied upon to evaluate image quality in real-world systems -- from compression and enhancement to generation and streaming. Yet their adoption brings a fundamental risk: these models…

计算机视觉与模式识别 · 计算机科学 2025-06-06 Igor Meleshin , Anna Chistyakova , Anastasia Antsiferova , Dmitriy Vatolin

In this paper, we introduce a Reduced Reference Image Quality Assessment (RRIQA) measure based on the natural image statistic approach. A new adaptive transform called "Tetrolet" is applied to both reference and distorted images. To model…

计算机视觉与模式识别 · 计算机科学 2011-12-20 Abdelkaher Ait Abdelouahad , Mohammed El Hassouni , Hocine Cherifi , Driss Aboutajdine

In recent years, digital humans have been widely applied in augmented/virtual reality (A/VR), where viewers are allowed to freely observe and interact with the volumetric content. However, the digital humans may be degraded with various…

计算机视觉与模式识别 · 计算机科学 2023-10-26 Yingjie Zhou , Zicheng Zhang , Wei Sun , Xiongkuo Min , Xianghe Ma , Guangtao Zhai

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

Several metrics exist to quantify the similarity between images, but they are inefficient when it comes to measure the similarity of highly distorted images. In this work, we propose to empirically investigate perceptual metrics based on…

计算机视觉与模式识别 · 计算机科学 2022-02-18 Rémi Kazmierczak , Gianni Franchi , Nacim Belkhir , Antoine Manzanera , David Filliat

Given a person image and a garment image, image-based Virtual Try-ON (VTON) synthesizes a try-on image of the person wearing the target garment. As VTON systems become increasingly important in practical applications such as fashion…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Yuki Hirakawa , Takashi Wada , Ryotaro Shimizu , Takuya Furusawa , Yuki Saito , Ryosuke Araki , Tianwei Chen , Fan Mo , Yoshimitsu Aoki

No-Reference Image Quality Assessment (NR-IQA) aims to estimate perceptual quality without access to a reference image of pristine quality. Learning an NR-IQA model faces a fundamental bottleneck: its need for a large number of costly human…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Mahdi Naseri , Zhou Wang

Image Quality Assessment (IQA) is a long-standing problem in computer vision. Previous methods typically focus on predicting numerical scores without explanation or providing low-level descriptions lacking precise scores. Recent…

计算机视觉与模式识别 · 计算机科学 2026-01-16 Guoqiang Liang , Jianyi Wang , Zhonghua Wu , Shangchen Zhou