Pseudo-Label Guided Real-World Image De-weathering: A Learning Framework with Imperfect Supervision

• URL: http://arxiv.org/abs/2504.09949v1
• Date: Mon, 14 Apr 2025 07:24:03 GMT
• Title: Pseudo-Label Guided Real-World Image De-weathering: A Learning Framework with Imperfect Supervision
• Authors: Heming Xu, Xiaohui Liu, Zhilu Zhang, Hongzhi Zhang, Xiaohe Wu, Wangmeng Zuo,
• Abstract summary: We propose a unified solution for real-world image de-weathering with non-ideal supervision.<n>Our method exhibits significant advantages when trained on imperfectly aligned de-weathering datasets.
• Score: 57.5699142476311
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Real-world image de-weathering aims at removingvarious undesirable weather-related artifacts, e.g., rain, snow,and fog. To this end, acquiring ideal training pairs is crucial.Existing real-world datasets are typically constructed paired databy extracting clean and degraded images from live streamsof landscape scene on the Internet. Despite the use of strictfiltering mechanisms during collection, training pairs inevitablyencounter inconsistency in terms of lighting, object position, scenedetails, etc, making de-weathering models possibly suffer fromdeformation artifacts under non-ideal supervision. In this work,we propose a unified solution for real-world image de-weatheringwith non-ideal supervision, i.e., a pseudo-label guided learningframework, to address various inconsistencies within the realworld paired dataset. Generally, it consists of a de-weatheringmodel (De-W) and a Consistent Label Constructor (CLC), bywhich restoration result can be adaptively supervised by originalground-truth image to recover sharp textures while maintainingconsistency with the degraded inputs in non-weather contentthrough the supervision of pseudo-labels. Particularly, a Crossframe Similarity Aggregation (CSA) module is deployed withinCLC to enhance the quality of pseudo-labels by exploring thepotential complementary information of multi-frames throughgraph model. Moreover, we introduce an Information AllocationStrategy (IAS) to integrate the original ground-truth imagesand pseudo-labels, thereby facilitating the joint supervision forthe training of de-weathering model. Extensive experimentsdemonstrate that our method exhibits significant advantageswhen trained on imperfectly aligned de-weathering datasets incomparison with other approaches.

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