Maximizing Self-supervision from Thermal Image for Effective Self-supervised Learning of Depth and Ego-motion

Autor: Ukcheol Shin, Kyunghyun Lee, Byeong-Uk Lee, In So Kweon
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Popis: Recently, self-supervised learning of depth and ego-motion from thermal images shows strong robustness and reliability under challenging scenarios. However, the inherent thermal image properties such as weak contrast, blurry edges, and noise hinder to generate effective self-supervision from thermal images. Therefore, most research relies on additional self-supervision sources such as well-lit RGB images, generative models, and Lidar information. In this paper, we conduct an in-depth analysis of thermal image characteristics that degenerates self-supervision from thermal images. Based on the analysis, we propose an effective thermal image mapping method that significantly increases image information, such as overall structure, contrast, and details, while preserving temporal consistency. The proposed method shows outperformed depth and pose results than previous state-of-the-art networks without leveraging additional RGB guidance.
8 pages, Accepted by IEEE Robotics and Automation Letters (RA-L) with IROS 2022 option
Databáze: OpenAIRE