Detecting and segmenting un-occluded items by actively casting shadows

• Main Authors: KOH, Tze K, AGRAWAL, Amit, RASKAR, Ramesh, MORGAN, Steve, MILES, Nicholas, HAYES-GILL, Barrie
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2007
• Subjects: Closed Contour; Shadow Region; Ratio Image; Complex Scene; Cast Shadow; Computer Engineering
• Online Access: https://ink.library.smu.edu.sg/cis_research/26; https://ink.library.smu.edu.sg/context/cis_research/article/1025/viewcontent/Detecting_and_Segmenting_Un_occluded_Items_by_Actively_Casting_Shadows.pdf
• Institution: Singapore Management University

We present a simple and practical approach for segmenting un-occluded items in a scene by actively casting shadows. By ‘items’, we refer to objects (or part of objects) enclosed by depth edges. Our approach utilizes the fact that under varying illumination, un-occluded items will cast shadows on occ...