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For full-reference image quality assessment (FR-IQA) using deep-learning approaches, the perceptual similarity score between a distorted image and a reference image is typically computed as a distance measure between features extracted from…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Abhijay Ghildyal , Nabajeet Barman , Saman Zadtootaghaj

The performance of objective image quality assessment (IQA) models has been evaluated primarily by comparing model predictions to human quality judgments. Perceptual datasets gathered for this purpose have provided useful benchmarks for…

图像与视频处理 · 电气工程与系统科学 2021-01-25 Keyan Ding , Kede Ma , Shiqi Wang , Eero P. Simoncelli

Existing full-reference image quality assessment (FR-IQA) methods often fail to capture the complex causal mechanisms that underlie human perceptual responses to image distortions, limiting their ability to generalize across diverse…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Wenhao Shen , Mingliang Zhou , Yu Chen , Xuekai Wei , Jun Luo , Huayan Pu , Weijia Jia

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

Image Quality Assessment algorithms predict a quality score for a pristine or distorted input image, such that it correlates with human opinion. Traditional methods required a non-distorted "reference" version of the input image to compare…

图像与视频处理 · 电气工程与系统科学 2020-07-21 Subhayan Mukherjee , Giuseppe Valenzise , Irene Cheng

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

We tackle active view selection in novel view synthesis and 3D reconstruction. Existing methods like FisheRF and ActiveNeRF select the next best view by minimizing uncertainty or maximizing information gain in 3D, but they require…

计算机视觉与模式识别 · 计算机科学 2025-06-25 Zirui Wang , Yash Bhalgat , Ruining Li , Victor Adrian Prisacariu

While abundant research has been conducted on improving high-level visual understanding and reasoning capabilities of large multimodal models~(LMMs), their visual quality assessment~(IQA) ability has been relatively under-explored. Here we…

计算机视觉与模式识别 · 计算机科学 2024-02-05 Hanwei Zhu , Xiangjie Sui , Baoliang Chen , Xuelin Liu , Peilin Chen , Yuming Fang , Shiqi Wang

We present a quantum-native approach to quantum feature selection (QFS) based on analog quantum simulation with neutral atom arrays, adaptable to a variety of academic and industrial applications. In our method, feature relevance-measured…

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

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

Recently, increasing interest has been drawn in exploiting deep convolutional neural networks (DCNNs) for no-reference image quality assessment (NR-IQA). Despite of the notable success achieved, there is a broad consensus that training…

图像与视频处理 · 电气工程与系统科学 2020-04-14 Hancheng Zhu , Leida Li , Jinjian Wu , Weisheng Dong , Guangming Shi

Existing free-energy guided No-Reference Image Quality Assessment (NR-IQA) methods still suffer from finding a balance between learning feature information at the pixel level of the image and capturing high-level feature information and the…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Zhaoyang Wang , Bo Hu , Mingyang Zhang , Jie Li , Leida Li , Maoguo Gong , Xinbo Gao

Image Quality Assessment (IQA) plays a vital role in applications such as image compression, restoration, and multimedia streaming. However, existing metrics often struggle to generalize across diverse image types - particularly between…

图像与视频处理 · 电气工程与系统科学 2025-08-26 Mohtashim Baqar , Sian Lun Lau , Mansoor Ebrahim

We introduce the AIM 2024 UHD-IQA Challenge, a competition to advance the No-Reference Image Quality Assessment (NR-IQA) task for modern, high-resolution photos. The challenge is based on the recently released UHD-IQA Benchmark Database,…

计算机视觉与模式识别 · 计算机科学 2024-09-25 Vlad Hosu , Marcos V. Conde , Lorenzo Agnolucci , Nabajeet Barman , Saman Zadtootaghaj , Radu Timofte

Subjective perceptual image quality can be assessed in lab studies by human observers. Objective image quality assessment (IQA) refers to algorithms for estimation of the mean subjective quality ratings. Many such methods have been…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Markus Wagner , Hanhe Lin , Shujun Li , Dietmar Saupe

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

Assessing the visual quality of video game graphics presents unique challenges due to the absence of reference images and the distinct types of distortions, such as aliasing, texture blur, and geometry level of detail (LOD) issues, which…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Kai Zhu , Vignesh Edithal , Le Zhang , Ilia Blank , Imran Junejo

Image quality assessment is a fundamental problem in the field of image processing, and due to the lack of reference images in most practical scenarios, no-reference image quality assessment (NR-IQA), has gained increasing attention…

计算机视觉与模式识别 · 计算机科学 2023-05-17 Jinsong Shi , Pan Gao , Aljosa Smolic

Image Quality Assessment (IQA) models aim to predict perceptual image quality in alignment with human judgments. No-Reference (NR) IQA remains particularly challenging due to the absence of a reference image. While deep learning has…

图像与视频处理 · 电气工程与系统科学 2025-07-18 Rajesh Sureddi , Saman Zadtootaghaj , Nabajeet Barman , Alan C. Bovik