Worsening Perception: Real-time Degradation of Autonomous Vehicle Perception Performance for Simulation of Adverse Weather Conditions

• URL: http://arxiv.org/abs/2103.02760v1
• Date: Wed, 3 Mar 2021 23:49:02 GMT
• Title: Worsening Perception: Real-time Degradation of Autonomous Vehicle Perception Performance for Simulation of Adverse Weather Conditions
• Authors: Ivan Fursa, Elias Fandi, Valentina Musat, Jacob Culley, Enric Gil, Louise Bilous, Isaac Vander Sluis, Alexander Rast and Andrew Bradley
• Abstract summary: This study explores the potential of using a simple, lightweight image augmentation system in an autonomous racing vehicle. With minimal adjustment, the prototype system can replicate the effects of both water droplets on the camera lens, and fading light conditions.
• Score: 47.529411576737644
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Autonomous vehicles rely heavily upon their perception subsystems to see the environment in which they operate. Unfortunately, the effect of varying weather conditions presents a significant challenge to object detection algorithms, and thus it is imperative to test the vehicle extensively in all conditions which it may experience. However, unpredictable weather can make real-world testing in adverse conditions an expensive and time consuming task requiring access to specialist facilities, and weatherproofing of sensitive electronics. Simulation provides an alternative to real world testing, with some studies developing increasingly visually realistic representations of the real world on powerful compute hardware. Given that subsequent subsystems in the autonomous vehicle pipeline are unaware of the visual realism of the simulation, when developing modules downstream of perception the appearance is of little consequence - rather it is how the perception system performs in the prevailing weather condition that is important. This study explores the potential of using a simple, lightweight image augmentation system in an autonomous racing vehicle - focusing not on visual accuracy, but rather the effect upon perception system performance. With minimal adjustment, the prototype system developed in this study can replicate the effects of both water droplets on the camera lens, and fading light conditions. The system introduces a latency of less than 8 ms using compute hardware that is well suited to being carried in the vehicle - rendering it ideally suited to real-time implementation that can be run during experiments in simulation, and augmented reality testing in the real world.

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