期刊
SPATIAL COGNITION AND COMPUTATION
卷 18, 期 2, 页码 115-137出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/13875868.2017.1322088
关键词
vision and natural language; visual perception; robotics
资金
- NERC [noc010013] Funding Source: UKRI
Shadows have long been a challenging topic for computer vision. This challenge is made even harder when we assume that the camera is moving, as many existing shadow detection techniques require the creation and maintenance of a background model. This article explores the problem of shadow modelling from a moving viewpoint (assumed to be a robotic platform) through comparing shadow-variant and shadow-invariant image features primarily color, texture and edge-based features. These features are then embedded in a segmentation pipeline that provides predictions on shadow status, using minimal temporal context. We also release a public dataset of shadow-related image sequences, to help other researchers further develop shadow detection methods and to enable benchmarking of techniques.
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