MDIQA: Unified Image Quality Assessment for Multi-dimensional Evaluation and Restoration

• URL: http://arxiv.org/abs/2508.16887v1
• Date: Sat, 23 Aug 2025 03:17:14 GMT
• Title: MDIQA: Unified Image Quality Assessment for Multi-dimensional Evaluation and Restoration
• Authors: Shunyu Yao, Ming Liu, Zhilu Zhang, Zhaolin Wan, Zhilong Ji, Jinfeng Bai, Wangmeng Zuo,
• Abstract summary: We propose a multi-dimensional image quality assessment (MDIQA) framework.<n>We model image quality across various perceptual dimensions, including five technical and four aesthetic dimensions.<n>When the MDIQA model is ready, we can deploy it for a flexible training of image restoration (IR) models.
• Score: 76.94293572477379
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Recent advancements in image quality assessment (IQA), driven by sophisticated deep neural network designs, have significantly improved the ability to approach human perceptions. However, most existing methods are obsessed with fitting the overall score, neglecting the fact that humans typically evaluate image quality from different dimensions before arriving at an overall quality assessment. To overcome this problem, we propose a multi-dimensional image quality assessment (MDIQA) framework. Specifically, we model image quality across various perceptual dimensions, including five technical and four aesthetic dimensions, to capture the multifaceted nature of human visual perception within distinct branches. Each branch of our MDIQA is initially trained under the guidance of a separate dimension, and the respective features are then amalgamated to generate the final IQA score. Additionally, when the MDIQA model is ready, we can deploy it for a flexible training of image restoration (IR) models, enabling the restoration results to better align with varying user preferences through the adjustment of perceptual dimension weights. Extensive experiments demonstrate that our MDIQA achieves superior performance and can be effectively and flexibly applied to image restoration tasks. The code is available: https://github.com/YaoShunyu19/MDIQA.

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