STRUCTURED-LIGHT-BASED DEPTH RECONSTRUCTION USING LOW-LIGHT PICO PROJECTOR
Keywords:
Structured light, low-light projector, image recti cation, pattern segmenta- tionAbstract
In this work we investigate an infrared structured light prototype which is intended for 3D reconstruction in resource-restricted mobile applications. We explore the constraints on working range and pattern resolution that are imposed by the low-light property of our single-shot set-up. While focusing on the most light-sensitive steps of the decoding work ow, we suggest adaptations of image rectication, pattern generation and segmen- tation algorithms that are tailored to the specic spatial and radiometric requirements of our system. We incorporate two disparity estimation techniques based on codeword look- up and foreground/background segmentation into our system and analyze the eects of dierent algorithmic components on the overall runtime of our implementation.
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