Media type: E-Article Title: Key-frame extraction based on motion acceleration Contributor: Ma, Yanzhuo Published: SPIE-Intl Soc Optical Eng, 2008 Published in: Optical Engineering, 47 (2008) 9, Seite 090501 Language: English DOI: 10.1117/1.2977795 ISSN: 0091-3286 Keywords: General Engineering ; Atomic and Molecular Physics, and Optics Origination: Footnote: