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|Title:||SenseCoding: Accelerometer-assisted motion estimation for efficient video encoding|
|Authors:||Hong, G. |
|Citation:||Hong, G.,Rahmati, A.,Wang, Y.,Zhong, L. (2008). SenseCoding: Accelerometer-assisted motion estimation for efficient video encoding. MM'08 - Proceedings of the 2008 ACM International Conference on Multimedia, with co-located Symposium and Workshops : 749-752. ScholarBank@NUS Repository. https://doi.org/10.1145/1459359.1459477|
|Abstract:||Accelerometers have appeared on many camcorders, cameras and mobile phones. We present algorithms that estimate camera movement from accelerometer readings and apply the estimation to significantly improve the compute-intense motion estimation in video encoding. We have implemented a working prototype that simultaneously captures video and three-axis acceleration data. The video is then compressed with a reference MPEG-2 encoder, modified to incorporate the accelerometer readings to assist motion estimation. Our experimental data shows a two to three times speed improvement for the entire encoding process, in comparison with full search. Copyright 2008 ACM.|
|Source Title:||MM'08 - Proceedings of the 2008 ACM International Conference on Multimedia, with co-located Symposium and Workshops|
|Appears in Collections:||Staff Publications|
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