From Easy to Hard: Progressive Active Learning Framework for Infrared Small Target Detection with Single Point Supervision

• URL: http://arxiv.org/abs/2412.11154v2
• Date: Thu, 13 Mar 2025 08:04:37 GMT
• Title: From Easy to Hard: Progressive Active Learning Framework for Infrared Small Target Detection with Single Point Supervision
• Authors: Chuang Yu, Jinmiao Zhao, Yunpeng Liu, Sicheng Zhao, Yimian Dai, Xiangyu Yue,
• Abstract summary: We construct an innovative Progressive Active Learning (PAL) framework for single point supervision.<n>We propose a model pre-start concept, which focuses on automatically selecting a portion of easy samples.<n>We show that existing SIRST detection networks equipped with our PAL framework have achieved state-of-the-art (SOTA) results on multiple public datasets.
• Score: 18.555485444818835
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Recently, single-frame infrared small target (SIRST) detection with single point supervision has drawn wide-spread attention. However, the latest label evolution with single point supervision (LESPS) framework suffers from instability, excessive label evolution, and difficulty in exerting embedded network performance. Inspired by organisms gradually adapting to their environment and continuously accumulating knowledge, we construct an innovative Progressive Active Learning (PAL) framework for single point supervision, which drives the existing SIRST detection networks progressively and actively recognizes and learns more hard samples to achieve significant performance improvements. Specifically, to avoid the early low-performance model leading to the wrong selection of hard samples, we propose a model pre-start concept, which focuses on automatically selecting a portion of easy samples and helping the model have basic task-specific learning capabilities. Meanwhile, we propose a refined dual-update strategy, which can promote reasonable learning of harder samples and continuous refinement of pseudo-labels. In addition, to alleviate the risk of excessive label evolution, a decay factor is reasonably introduced, which helps to achieve a dynamic balance between the expansion and contraction of target annotations. Extensive experiments show that existing SIRST detection networks equipped with our PAL framework have achieved state-of-the-art (SOTA) results on multiple public datasets. Furthermore, our PAL framework can build an efficient and stable bridge between full supervision and single point supervision tasks. Our code are available at https://github.com/YuChuang1205/PAL.

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