VisualQuality-R1: Reasoning-Induced Image Quality Assessment via Reinforcement Learning to Rank

• URL: http://arxiv.org/abs/2505.14460v1
• Date: Tue, 20 May 2025 14:56:50 GMT
• Title: VisualQuality-R1: Reasoning-Induced Image Quality Assessment via Reinforcement Learning to Rank
• Authors: Tianhe Wu, Jian Zou, Jie Liang, Lei Zhang, Kede Ma,
• Abstract summary: We introduce VisualQuality-R1, a reasoning-induced no-reference IQA (NR-IQA) model.<n>We train it with reinforcement learning to rank, a learning algorithm tailored to the intrinsically relative nature of visual quality.<n>In experiments, VisualQuality-R1 consistently outperforms discriminative deep learning-based NR-IQA models.
• Score: 23.613534906344753
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: DeepSeek-R1 has demonstrated remarkable effectiveness in incentivizing reasoning and generalization capabilities of large language models (LLMs) through reinforcement learning. Nevertheless, the potential of reasoning-induced computational modeling has not been thoroughly explored in the context of image quality assessment (IQA), a task critically dependent on visual reasoning. In this paper, we introduce VisualQuality-R1, a reasoning-induced no-reference IQA (NR-IQA) model, and we train it with reinforcement learning to rank, a learning algorithm tailored to the intrinsically relative nature of visual quality. Specifically, for a pair of images, we employ group relative policy optimization to generate multiple quality scores for each image. These estimates are then used to compute comparative probabilities of one image having higher quality than the other under the Thurstone model. Rewards for each quality estimate are defined using continuous fidelity measures rather than discretized binary labels. Extensive experiments show that the proposed VisualQuality-R1 consistently outperforms discriminative deep learning-based NR-IQA models as well as a recent reasoning-induced quality regression method. Moreover, VisualQuality-R1 is capable of generating contextually rich, human-aligned quality descriptions, and supports multi-dataset training without requiring perceptual scale realignment. These features make VisualQuality-R1 especially well-suited for reliably measuring progress in a wide range of image processing tasks like super-resolution and image generation.

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