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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…

Image and Video Processing · Electrical Eng. & Systems 2021-09-17 Jingyu Guo , Wei Wang , Wenming Yang , Qingmin Liao , Jie Zhou

Image Quality Assessment (IQA) remains an unresolved challenge in computer vision due to complex distortions, diverse image content, and limited data availability. Existing Blind IQA (BIQA) methods largely rely on extensive human…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Xudong Li , Zihao Huang , Yan Zhang , Yunhang Shen , Ke Li , Xiawu Zheng , Liujuan Cao , Rongrong Ji

Accurate and efficient Video Quality Assessment (VQA) has long been a key research challenge. Current mainstream VQA methods typically improve performance by pretraining on large-scale classification datasets (e.g., ImageNet, Kinetics-400),…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Yachun Mi , Yu Li , Yanting Li , Chen Hui , Tong Zhang , Zhixuan Li , Chenyue Song , Wei Yang Bryan Lim , Shaohui Liu

Visual quality assessment (VQA) is increasingly shifting from scalar score prediction toward interpretable quality understanding -- a paradigm that demands \textit{fine-grained spatiotemporal perception} and \textit{auxiliary contextual…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Linhan Cao , Wei Sun , Weixia Zhang , Xiangyang Zhu , Kaiwei Zhang , Jun Jia , Dandan Zhu , Guangtao Zhai , Xiongkuo Min

Multimodal large language models (MLLMs) have made significant strides by integrating visual and textual modalities. A critical factor in training MLLMs is the quality of image-text pairs within multimodal pretraining datasets. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Han Huang , Yuqi Huo , Zijia Zhao , Haoyu Lu , Shu Wu , Bingning Wang , Qiang Liu , Weipeng Chen , Liang Wang

Learning-based image quality assessment (IQA) has made remarkable progress in the past decade, but nearly all consider the two key components -- model and data -- in isolation. Specifically, model-centric IQA focuses on developing…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Peibei Cao , Dingquan Li , Kede Ma

While recent advancements in large multimodal models (LMMs) have significantly improved their abilities in image quality assessment (IQA) relying on absolute quality rating, how to transfer reliable relative quality comparison outputs to…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Hanwei Zhu , Haoning Wu , Yixuan Li , Zicheng Zhang , Baoliang Chen , Lingyu Zhu , Yuming Fang , Guangtao Zhai , Weisi Lin , Shiqi 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…

Image and Video Processing · Electrical Eng. & Systems 2023-11-15 Tao Song , Ruizhi Hou , Lisong Dai , Lei Xiang

The goal of No-Reference Image Quality Assessment (NR-IQA) is to estimate the perceptual image quality in accordance with subjective evaluations, it is a complex and unsolved problem due to the absence of the pristine reference image. In…

Image and Video Processing · Electrical Eng. & Systems 2022-01-06 S. Alireza Golestaneh , Saba Dadsetan , Kris M. Kitani

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…

Image and Video Processing · Electrical Eng. & Systems 2020-04-14 Hancheng Zhu , Leida Li , Jinjian Wu , Weisheng Dong , Guangming Shi

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…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Xinpeng Li , Ting Jiang , Haoqiang Fan , Shuaicheng Liu

Reinforcement Learning (RL) has empowered Multimodal Large Language Models (MLLMs) to achieve superior human preference alignment in Image Quality Assessment (IQA). However, existing RL-based IQA models typically rely on coarse-grained…

Image and Video Processing · Electrical Eng. & Systems 2026-05-11 Xiang Li , Xueheng Li , Yu Wang , Xuanhua He , Zhangchi Hu , Weiwei Yu , Chengjun Xie

Improving vision-language models (VLMs) in the post-training stage typically relies on supervised fine-tuning or reinforcement learning, methods that necessitate costly, human-annotated data. While self-supervised techniques have proven…

Computer Vision and Pattern Recognition · Computer Science 2026-01-28 Wen Wen , Tianwu Zhi , Kanglong Fan , Yang Li , Xinge Peng , Yabin Zhang , Yiting Liao , Junlin Li , Li Zhang

Traditional deep neural network (DNN)-based image quality assessment (IQA) models leverage convolutional neural networks (CNN) or Transformer to learn the quality-aware feature representation, achieving commendable performance on natural…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Puyi Wang , Wei Sun , Zicheng Zhang , Jun Jia , Yanwei Jiang , Zhichao Zhang , Xiongkuo Min , Guangtao Zhai

Reasoning-based image quality assessment (IQA) models trained through reinforcement learning (RL) exhibit exceptional generalization, yet the underlying mechanisms and critical factors driving this capability remain underexplored in current…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Shijie Zhao , Xuanyu Zhang , Weiqi Li , Junlin Li , Li Zhang , Tianfan Xue , Jian Zhang

The design of image and video quality assessment (QA) algorithms is extremely important to benchmark and calibrate user experience in modern visual systems. A major drawback of the state-of-the-art QA methods is their limited ability to…

Image and Video Processing · Electrical Eng. & Systems 2025-12-30 Shankhanil Mitra , Diptanu De , Shika Rao , Rajiv Soundararajan

The rapid progress of multi-modal large language models (MLLMs) has boosted the task of image quality assessment (IQA). However, a key challenge arises from the inherent mismatch between the discrete token outputs of MLLMs and the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Zhenchen Tang , Songlin Yang , Bo Peng , Zichuan Wang , Jing Dong

Image quality assessment (IQA) is traditionally classified into full-reference (FR) IQA and no-reference (NR) IQA according to whether the original image is required. Although NR-IQA is widely used in practical applications, room for…

Computer Vision and Pattern Recognition · Computer Science 2016-09-05 Haoyi Liang , Daniel S. Weller

Face image quality assessment (FIQA) is essential for various face-related applications. Although FIQA has been extensively studied and achieved significant progress, the computational complexity of FIQA algorithms remains a key concern for…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Wei Sun , Weixia Zhang , Linhan Cao , Jun Jia , Xiangyang Zhu , Dandan Zhu , Xiongkuo Min , Guangtao Zhai

Large language models (LLMs), such as ChatGPT, have demonstrated impressive capabilities in various tasks and attracted an increasing interest as a natural language interface across many domains. Recently, large vision-language models…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Zhihao Chen , Bin Hu , Chuang Niu , Tao Chen , Yuxin Li , Hongming Shan , Ge Wang