Separation of Moving Objects and their Shadows
Toshihiro Ogata, Yorinobu Sonoda · IEEJ Transactions on Electronics Information and Systems · 1999
A shadow appears on a surface when rays from a source of light are cut off by an interposed opaque object. The object is always accompanied with the shadow. Both regions of the object and its shadow are often detected as one region in the image plane. As an estimation of shape (height) of the object is influenced by the region of the shadow, it is necessary to separate the two regions of the object and its shadow. This paper introduces a separation method of objects and their shadows in the image. The effectiveness of the proposed method was examined by processing still pictures.