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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…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Hanwei Zhu , Xiangjie Sui , Baoliang Chen , Xuelin Liu , Peilin Chen , Yuming Fang , Shiqi Wang

MR images scanned at low magnetic field ($<1$T) have lower resolution in the slice direction and lower contrast, due to a relatively small signal-to-noise ratio (SNR) than those from high field (typically 1.5T and 3T). We adapt the recent…

Image quality scoring and interpreting are two fundamental components of Image Quality Assessment (IQA). The former quantifies image quality, while the latter enables descriptive question answering about image quality. Traditionally, these…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Zicheng Zhang , Haoning Wu , Ziheng Jia , Weisi Lin , Guangtao Zhai

With the rapid advancement of Multi-modal Large Language Models (MLLMs), MLLM-based Image Quality Assessment (IQA) methods have shown promising performance in linguistic quality description. However, current methods still fall short in…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Zhiyuan You , Xin Cai , Jinjin Gu , Tianfan Xue , Chao Dong

No-reference image quality assessment (NR-IQA) has received increasing attention in the IQA community since reference image is not always available. Real-world images generally suffer from various types of distortion. Unfortunately,…

Image and Video Processing · Electrical Eng. & Systems 2020-01-07 Fu-Zhao Ou , Yuan-Gen Wang , Jin Li , Guopu Zhu , Sam Kwong

Evaluation of Image Quality Assessment (IQA) models has long been dominated by global correlation metrics, such as Pearson Linear Correlation Coefficient (PLCC) and Spearman Rank-Order Correlation Coefficient (SRCC). While widely adopted,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Baoliang Chen , Danni Huang , Hanwei Zhu , Lingyu Zhu , Wei Zhou , Shiqi Wang , Yuming Fang , Weisi Lin

In no-reference image quality assessment (NR-IQA), the challenge of limited dataset sizes hampers the development of robust and generalizable models. Conventional methods address this issue by utilizing large datasets to extract rich…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Daekyu Kwon , Dongyoung Kim , Sehwan Ki , Younghyun Jo , Hyong-Euk Lee , Seon Joo Kim

With the rapid advancement of Multi-modal Large Language Models (MLLMs), MLLM-based Image Quality Assessment (IQA) methods have shown promising generalization. However, directly extending these MLLM-based IQA methods to PCQA remains…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Guohua Zhang , Jian Jin , Meiqin Liu , Chao Yao , Weisi Lin , Yao Zhao

The image Super-Resolution (SR) technique has greatly improved the visual quality of images by enhancing their resolutions. It also calls for an efficient SR Image Quality Assessment (SR-IQA) to evaluate those algorithms or their generated…

Image and Video Processing · Electrical Eng. & Systems 2022-05-10 Keke Zhang , Tiesong Zhao , Weiling Chen , Yuzhen Niu , Jinsong Hu

Synthetic X-ray angiographies generated by modern generative models hold great potential to reduce the use of contrast agents in vascular interventional procedures. However, low-quality synthetic angiographies can significantly increase…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Bo Wang , De-Xing Huang , Xiao-Hu Zhou , Mei-Jiang Gui , Nu-Fang Xiao , Jian-Long Hao , Ming-Yuan Liu , Zeng-Guang Hou

Image quality assessment (IQA) is inherently complex, as it reflects both the quantification and interpretation of perceptual quality rooted in the human visual system. Conventional approaches typically rely on fixed models to output scalar…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Hanwei Zhu , Yu Tian , Keyan Ding , Baoliang Chen , Bolin Chen , Shiqi Wang , Weisi Lin

We introduce a Depicted image Quality Assessment method (DepictQA), overcoming the constraints of traditional score-based methods. DepictQA allows for detailed, language-based, human-like evaluation of image quality by leveraging…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Zhiyuan You , Zheyuan Li , Jinjin Gu , Zhenfei Yin , Tianfan Xue , Chao Dong

Most of existing blind omnidirectional image quality assessment (BOIQA) models rely on viewport generation by modeling user viewing behavior or transforming omnidirectional images (OIs) into varying formats; however, these methods are…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Jiebin Yan , Kangcheng Wu , Junjie Chen , Ziwen Tan , Yuming Fang

Face image quality assessment (FIQA) plays a critical role in face recognition and verification systems, especially in uncontrolled, real-world environments. Although several methods have been proposed, general-purpose no-reference image…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 MohammadAli Hamidi , Hadi Amirpour , Luigi Atzori , Christian Timmerer

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

In this paper, we exploit the flexibility of multi-objective fitness functions, and the efficiency of the model structure selection ability of a standard genetic programming (GP) with the parameter estimation power of classical regression…

Multimedia · Computer Science 2018-01-19 Naima Merzougui , Naima Merzougui

This paper uses robust statistics and curvelet transform to learn a general-purpose no-reference (NR) image quality assessment (IQA) model. The new approach, here called M1, competes with the Curvelet Quality Assessment proposed in 2014…

Computer Vision and Pattern Recognition · Computer Science 2019-02-12 Ramon Giostri Campos , Evandro Ottoni Teatini Salles

In the realm of face image quality assesment (FIQA), method based on sample relative classification have shown impressive performance. However, the quality scores used as pseudo-labels assigned from images of classes with low intra-class…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Minsoo Kim , Gi Pyo Nam , Haksub Kim , Haesol Park , Ig-Jae Kim

Scientific images fundamentally differ from natural and AI-generated images in that they encode structured domain knowledge rather than merely depict visual scenes. Assessing their quality therefore requires evaluating not only perceptual…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Wenzhe Li , Liang Chen , Junying Wang , Yijing Guo , Ye Shen , Farong Wen , Chunyi Li , Zicheng Zhang , Guangtao Zhai

Objective quality assessment of stereoscopic panoramic images becomes a challenging problem owing to the rapid growth of 360-degree contents. Different from traditional 2D image quality assessment (IQA), more complex aspects are involved in…

Image and Video Processing · Electrical Eng. & Systems 2019-09-05 Jiahua Xu , Ziyuan Luo , Wei Zhou , Wenyuan Zhang , Zhibo Chen