Monte Carlo Linear Clustering with Single-Point Supervision is Enough for Infrared Small Target Detection

• URL: http://arxiv.org/abs/2304.04442v1
• Date: Mon, 10 Apr 2023 08:04:05 GMT
• Title: Monte Carlo Linear Clustering with Single-Point Supervision is Enough for Infrared Small Target Detection
• Authors: Boyang Li and Yingqian Wang and Longguang Wang and Fei Zhang and Ting Liu and Zaiping Lin and Wei An and Yulan Guo
• Abstract summary: Single-frame infrared small target (SIRST) detection aims at separating small targets from clutter backgrounds on infrared images. Deep learning based methods have achieved promising performance on SIRST detection, but at the cost of a large amount of training data. We propose the first method to achieve SIRST detection with single-point supervision.
• Score: 48.707233614642796
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Single-frame infrared small target (SIRST) detection aims at separating small targets from clutter backgrounds on infrared images. Recently, deep learning based methods have achieved promising performance on SIRST detection, but at the cost of a large amount of training data with expensive pixel-level annotations. To reduce the annotation burden, we propose the first method to achieve SIRST detection with single-point supervision. The core idea of this work is to recover the per-pixel mask of each target from the given single point label by using clustering approaches, which looks simple but is indeed challenging since targets are always insalient and accompanied with background clutters. To handle this issue, we introduce randomness to the clustering process by adding noise to the input images, and then obtain much more reliable pseudo masks by averaging the clustered results. Thanks to this "Monte Carlo" clustering approach, our method can accurately recover pseudo masks and thus turn arbitrary fully supervised SIRST detection networks into weakly supervised ones with only single point annotation. Experiments on four datasets demonstrate that our method can be applied to existing SIRST detection networks to achieve comparable performance with their fully supervised counterparts, which reveals that single-point supervision is strong enough for SIRST detection. Our code will be available at: https://github.com/YeRen123455/SIRST-Single-Point-Supervision.

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