Please use this identifier to cite or link to this item:
https://doi.org/10.1145/1631272.1631325
DC Field | Value | |
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dc.title | SaVE: Sensor-assisted motion estimation for efficient h.264/AVC video encoding | |
dc.contributor.author | Chen, X. | |
dc.contributor.author | Zhao, Z. | |
dc.contributor.author | Rahmati, A. | |
dc.contributor.author | Wang, Y. | |
dc.contributor.author | Zhong, L. | |
dc.date.accessioned | 2013-07-04T08:14:38Z | |
dc.date.available | 2013-07-04T08:14:38Z | |
dc.date.issued | 2009 | |
dc.identifier.citation | Chen, X.,Zhao, Z.,Rahmati, A.,Wang, Y.,Zhong, L. (2009). SaVE: Sensor-assisted motion estimation for efficient h.264/AVC video encoding. MM'09 - Proceedings of the 2009 ACM Multimedia Conference, with Co-located Workshops and Symposiums : 381-390. ScholarBank@NUS Repository. <a href="https://doi.org/10.1145/1631272.1631325" target="_blank">https://doi.org/10.1145/1631272.1631325</a> | |
dc.identifier.isbn | 9781605586083 | |
dc.identifier.uri | http://scholarbank.nus.edu.sg/handle/10635/40886 | |
dc.description.abstract | Motion estimation is a key component of modern video encoding and is very compute-intensive. We present a novel Sensor-assisted Video Encoding (SaVE) method to reduce the computational complexity of motion estimation in H.264/AVC encoders, leveraging accelerometers and digital compasses that are increasingly available on mobile devices. Using these sensors, SaVE calculates the rotational movement of a camera and then infers the global motion in the camera image sensor; it subsequently employs the estimated global motion to simplify the state-of-the-art motion estimation algorithms, UMHS and EPZS used in H.264/AVC encoders. We have constructed a prototype of SaVE and report extensive evaluation of it. Our experimental results show that SaVE can reduce the computations of UMHS and EPZS algorithms by up to 27% and 18%, respectively, while achieving the same or better video quality. Copyright 2009 ACM. | |
dc.description.uri | http://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1145/1631272.1631325 | |
dc.source | Scopus | |
dc.subject | Accelerometer | |
dc.subject | Digital compass | |
dc.subject | H.264/AVC | |
dc.subject | Motion estimation | |
dc.subject | MPEG | |
dc.subject | Sensor | |
dc.subject | Video encoding | |
dc.type | Conference Paper | |
dc.contributor.department | COMPUTER SCIENCE | |
dc.description.doi | 10.1145/1631272.1631325 | |
dc.description.sourcetitle | MM'09 - Proceedings of the 2009 ACM Multimedia Conference, with Co-located Workshops and Symposiums | |
dc.description.page | 381-390 | |
dc.identifier.isiut | NOT_IN_WOS | |
Appears in Collections: | Staff Publications |
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