Label-Efficient Semantic Segmentation of LiDAR Point Clouds in Adverse Weather Conditions

• URL: http://arxiv.org/abs/2406.09906v1
• Date: Fri, 14 Jun 2024 10:29:00 GMT
• Title: Label-Efficient Semantic Segmentation of LiDAR Point Clouds in Adverse Weather Conditions
• Authors: Aldi Piroli, Vinzenz Dallabetta, Johannes Kopp, Marc Walessa, Daniel Meissner, Klaus Dietmayer,
• Abstract summary: Adverse weather conditions can severely affect the performance of LiDAR sensors. Current approaches for detecting adverse weather points require large amounts of labeled data. This paper proposes a label-efficient approach to segment LiDAR point clouds in adverse weather.
• Score: 10.306226508237348
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Adverse weather conditions can severely affect the performance of LiDAR sensors by introducing unwanted noise in the measurements. Therefore, differentiating between noise and valid points is crucial for the reliable use of these sensors. Current approaches for detecting adverse weather points require large amounts of labeled data, which can be difficult and expensive to obtain. This paper proposes a label-efficient approach to segment LiDAR point clouds in adverse weather. We develop a framework that uses few-shot semantic segmentation to learn to segment adverse weather points from only a few labeled examples. Then, we use a semi-supervised learning approach to generate pseudo-labels for unlabelled point clouds, significantly increasing the amount of training data without requiring any additional labeling. We also integrate good weather data in our training pipeline, allowing for high performance in both good and adverse weather conditions. Results on real and synthetic datasets show that our method performs well in detecting snow, fog, and spray. Furthermore, we achieve competitive performance against fully supervised methods while using only a fraction of labeled data.

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