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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

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

Blind image quality assessment (BIQA) for ultrahighdefinition (UHD) images remains challenging because native-resolution inference is computationally expensive, whereas aggressive resizing or isolated cropping may suppress scale-sensitive…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Shaode Yu , Enqi Chen , Ming Huang , Xuemin Ren , Songnan Zhao , Zhicheng Zhang , Qiurui Sun

Blind Image Quality Assessment (BIQA) aims to evaluate image quality in line with human perception, without reference benchmarks. Currently, deep learning BIQA methods typically depend on using features from high-level tasks for transfer…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Xudong Li , Jingyuan Zheng , Runze Hu , Yan Zhang , Ke Li , Yunhang Shen , Xiawu Zheng , Yutao Liu , ShengChuan Zhang , Pingyang Dai , Rongrong Ji

The goal in a blind image quality assessment (BIQA) model is to simulate the process of evaluating images by human eyes and accurately assess the quality of the image. Although many approaches effectively identify degradation, they do not…

计算机视觉与模式识别 · 计算机科学 2021-10-14 Guangyi Yang , Yang Zhan. , Yuxuan Wang

Neural View Synthesis (NVS), such as NeRF and 3D Gaussian Splatting, effectively creates photorealistic scenes from sparse viewpoints, typically evaluated by quality assessment methods like PSNR, SSIM, and LPIPS. However, these…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Qiang Qu , Yiran Shen , Xiaoming Chen , Yuk Ying Chung , Weidong Cai , Tongliang Liu

Full-reference image quality assessment (FR-IQA) generally assumes that reference images are of perfect quality. However, this assumption is flawed due to the sensor and optical limitations of modern imaging systems. Moreover, recent…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Du Chen , Tianhe Wu , Kede Ma , Lei Zhang

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

The quality assessment (QA) of restored low light images is an important tool for benchmarking and improving low light restoration (LLR) algorithms. While several LLR algorithms exist, the subjective perception of the restored images has…

图像与视频处理 · 电气工程与系统科学 2022-02-07 Vignesh Kannan , Sameer Malik , Rajiv Soundararajan

Image Quality Assessment (IQA) with references plays an important role in optimizing and evaluating computer vision tasks. Traditional methods assume that all pixels of the reference and test images are fully aligned. Such Aligned-Reference…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Keke Zhang , Weiling Chen , Tiesong Zhao , Zhou Wang

We introduce a novel cross-reference image quality assessment method that effectively fills the gap in the image assessment landscape, complementing the array of established evaluation schemes -- ranging from full-reference metrics like…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Zirui Wang , Wenjing Bian , Victor Adrian Prisacariu

Progress in lighting estimation is tracked by computing existing image quality assessment (IQA) metrics on images from standard datasets. While this may appear to be a reasonable approach, we demonstrate that doing so does not correlate to…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Justine Giroux , Mohammad Reza Karimi Dastjerdi , Yannick Hold-Geoffroy , Javier Vazquez-Corral , Jean-François Lalonde

Video Quality Assessment (VQA) aims to evaluate video quality based on perceptual distortions and human preferences. Despite the promising performance of existing methods using Convolutional Neural Networks (CNNs) and Vision Transformers…

计算机视觉与模式识别 · 计算机科学 2025-05-07 Wei-Ting Chen , Yu-Jiet Vong , Yi-Tsung Lee , Sy-Yen Kuo , Qiang Gao , Sizhuo Ma , Jian Wang

The rapid growth of user-generated (video) content (UGC) has driven increased demand for research on no-reference (NR) perceptual video quality assessment (VQA). NR-VQA is a key component for large-scale video quality monitoring in social…

图像与视频处理 · 电气工程与系统科学 2025-08-15 Xinyi Wang , Angeliki Katsenou , David Bull

Optical microscopy is one of the most widely used techniques in research studies for life sciences and biomedicine. These applications require reliable experimental pipelines to extract valuable knowledge from the measured samples and must…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Elena Corbetta , Thomas Bocklitz

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

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

Positron Emission Tomography / Computed Tomography (PET/CT) plays a critical role in medical imaging, combining functional and anatomical information to aid in accurate diagnosis. However, image quality degradation due to noise, compression…

图像与视频处理 · 电气工程与系统科学 2025-06-26 Siqiao Li , Chen Hui , Wei Zhang , Rui Liang , Chenyue Song , Feng Jiang , Haiqi Zhu , Zhixuan Li , Hong Huang , Xiang Li

Image quality assessment (IQA) models aim to establish a quantitative relationship between visual images and their perceptual quality by human observers. IQA modeling plays a special bridging role between vision science and engineering…

图像与视频处理 · 电气工程与系统科学 2021-02-23 Zhengfang Duanmu , Wentao Liu , Zhongling Wang , Zhou Wang

Image quality assessment (IQA) plays a critical role in optimizing radiation dose and developing novel medical imaging techniques in computed tomography (CT). Traditional IQA methods relying on hand-crafted features have limitations in…

图像与视频处理 · 电气工程与系统科学 2023-11-15 Tao Song , Ruizhi Hou , Lisong Dai , Lei Xiang