CLIP-Guided Attribute Aware Pretraining for Generalizable Image Quality Assessment

• URL: http://arxiv.org/abs/2406.01020v1
• Date: Mon, 3 Jun 2024 06:03:57 GMT
• Title: CLIP-Guided Attribute Aware Pretraining for Generalizable Image Quality Assessment
• Authors: Daekyu Kwon, Dongyoung Kim, Sehwan Ki, Younghyun Jo, Hyong-Euk Lee, Seon Joo Kim,
• Abstract summary: In no-reference image quality assessment (NR-IQA), the challenge of limited dataset sizes hampers the development of robust and generalizable models. We propose a novel pretraining framework that constructs a generalizable representation for IQA by selectively extracting quality-related knowledge. Our approach achieves state-of-the-art performance on multiple IQA datasets and exhibits remarkable generalization capabilities.
• Score: 25.680035174334886
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: 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 representations for IQA. Also, some approaches propose vision language models (VLM) based IQA, but the domain gap between generic VLM and IQA constrains their scalability. In this work, we propose a novel pretraining framework that constructs a generalizable representation for IQA by selectively extracting quality-related knowledge from VLM and leveraging the scalability of large datasets. Specifically, we carefully select optimal text prompts for five representative image quality attributes and use VLM to generate pseudo-labels. Numerous attribute-aware pseudo-labels can be generated with large image datasets, allowing our IQA model to learn rich representations about image quality. Our approach achieves state-of-the-art performance on multiple IQA datasets and exhibits remarkable generalization capabilities. Leveraging these strengths, we propose several applications, such as evaluating image generation models and training image enhancement models, demonstrating our model's real-world applicability. We will make the code available for access.

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