Methods for matching compressed video to ATM networks
ICIP '95 Proceedings of the 1995 International Conference on Image Processing (Vol. 1)-Volume 1 - Volume 1
Constrained and general dynamic rate shaping of compressed digital video
ICIP '95 Proceedings of the 1995 International Conference on Image Processing (Vol. 3)-Volume 3 - Volume 3
Multi-resolution information transmission in mobile environments
Mobile Information Systems
Post-processing of MPEG2 coded video for transmission at lower bit rates
ICASSP '96 Proceedings of the Acoustics, Speech, and Signal Processing, 1996. on Conference Proceedings., 1996 IEEE International Conference - Volume 04
Gesture interaction for small handheld devices to support multimedia applications
Journal of Mobile Multimedia
From motion to emotion: a wearable system for the multimedia enrichment of a Butoh dace performance
Journal of Mobile Multimedia
Human face animation based on video analysis, with applications to mobile entertainment
Journal of Mobile Multimedia
Subjective quality of mobile MPEG-4 videos with different frame rates
Journal of Mobile Multimedia
On transport layer mechanisms for real-time QoS
Journal of Mobile Multimedia
Motion vector refinement for high-performance transcoding
IEEE Transactions on Multimedia
Heterogeneous video transcoding to lower spatio-temporalresolutions and different encoding formats
IEEE Transactions on Multimedia
A new approach for memory efficient ATV decoding
IEEE Transactions on Consumer Electronics
Transcoder architectures for video coding
IEEE Transactions on Consumer Electronics
Motion estimation for high performance transcoding
IEEE Transactions on Consumer Electronics
Video transcoding proxy for 3Gwireless mobile Internet access
IEEE Communications Magazine
Manipulation and compositing of MC-DCT compressed video
IEEE Journal on Selected Areas in Communications
Architectures for MPEG compressed bitstream scaling
IEEE Transactions on Circuits and Systems for Video Technology
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To deliver streaming video over wireless networks is an important component for most interactive multimedia applications running on personal wireless handset devices. Such personal devices should be inexpensive, compact, and lightweight. Wireless channels have limited bandwidth and a high channel bit error rate. Delay variation of packets due to network congestion with the high bit error rate lessens the quality of video at the handheld device. Therefore, mobile access to multimedia content requires video transcoding functionality at the edge of the mobile network for interworking with heterogeneous networks and services. Under certain conditions, the bandwidth of a coded video stream needs to be drastically reduced. We propose a cost-efficient mechanism for improving the quality of service (QoS) delivered to the mobile user, by introducing a robust and efficient transcoding scheme as proven by extensive experiments. The proposed approach refines the motion vectors value without the need to re-perform the motion estimation process. Then the transcoding mechanism will be preformed using the new fine motion vectors. Thus, great amounts of computing resources have been saved. Exceptional performance is demonstrated in the experiment results, as these experiments were designed to verify and prove the robustness of the proposed approach.