Re-cinematography: Improving the camerawork of casual video Export

@article{citeulike:5647740, abstract = {This article presents an approach to postprocessing casually captured videos to improve apparent camera movement. Re-cinematography transforms each frame of a video such that the video better follows cinematic conventions. The approach breaks a video into shorter segments. Segments of the source video where there is no intentional camera movement are made to appear as if the camera is completely static. For segments with camera motions, camera paths are keyframed automatically and interpolated with matrix logarithms to give velocity-profiled movements that appear intentional and directed. Closeups are inserted to provide compositional variety in otherwise uniform segments. The approach automatically balances the tradeoff between motion smoothness and distortion to the original imagery. Results from our prototype show improvements to poor quality home videos.}, address = {New York, NY, USA}, author = {Gleicher, Michael L. and Liu, Feng}, citeulike-article-id = {5647740}, citeulike-linkout-0 = {http://portal.acm.org/citation.cfm?id=1404882}, citeulike-linkout-1 = {http://dx.doi.org/10.1145/1404880.1404882}, comment = {Relatively standard, detects camera motion and smooths it out. Separates video into still, motion, \& zooms. Seems to work. The most interesting thing mentioned in the abstract is "inserting closeups" but this is simply zooming to a salient object, and the authors say that in practice a user wouldn't want to use this automatically, but only as a semi-automatic feature where the user would specify the object to zoom in on. It would be a useful button in a commercial video editor, but I was a little disappointed since I expected to learn about an interesting way to automatically choose a good time for a close-up}, doi = {10.1145/1404880.1404882}, issn = {1551-6857}, journal = {ACM Trans. Multimedia Comput. Commun. Appl.}, keywords = {computer-vision, consumer-application}, number = {1}, pages = {1--28}, posted-at = {2009-08-25 23:28:31}, priority = {0}, publisher = {ACM}, title = {Re-cinematography: Improving the camerawork of casual video}, url = {http://dx.doi.org/10.1145/1404880.1404882}, volume = {5}, year = {2008} }

TY - JOUR ID - citeulike:5647740 L3 - citeulike-article-id:5647740 N2 - This article presents an approach to postprocessing casually captured videos to improve apparent camera movement. Re-cinematography transforms each frame of a video such that the video better follows cinematic conventions. The approach breaks a video into shorter segments. Segments of the source video where there is no intentional camera movement are made to appear as if the camera is completely static. For segments with camera motions, camera paths are keyframed automatically and interpolated with matrix logarithms to give velocity-profiled movements that appear intentional and directed. Closeups are inserted to provide compositional variety in otherwise uniform segments. The approach automatically balances the tradeoff between motion smoothness and distortion to the original imagery. Results from our prototype show improvements to poor quality home videos. IS - 1 JF - ACM Trans. Multimedia Comput. Commun. Appl. SN - 1551-6857 AD - New York, NY, USA EP - 28 TI - Re-cinematography: Improving the camerawork of casual video PB - ACM VL - 5 SP - 1 KW - computer-vision KW - consumer-application N1 - Relatively standard, detects camera motion and smooths it out. Separates video into still, motion, & zooms. Seems to work. The most interesting thing mentioned in the abstract is "inserting closeups" but this is simply zooming to a salient object, and the authors say that in practice a user wouldn't want to use this automatically, but only as a semi-automatic feature where the user would specify the object to zoom in on. It would be a useful button in a commercial video editor, but I was a little disappointed since I expected to learn about an interesting way to automatically choose a good time for a close-up AU - Gleicher, Michael AU - Liu, Feng PY - 2008/// UR - http://dx.doi.org/10.1145/1404880.1404882 ER -