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Scalability is an attractive solution to the problems posed by modern multimedia transmission systems. The key for better performance in scalable coding is joint rate distortion optimization. We present a new stochastic model for scalable coding which models the dependencies among layers, and we derive an optimal joint quantizer selection scheme for memoryless Gaussian sources. Simulation results...
This paper presents the implementation of Advanced Audio and Video Standard Part 2: Video (AVS P2), the Chinese video standard, to Diamond 388VDO Video Processor, a heterogeneous dual core Tensilica SIMD processor. Through the process of mapping AVS video decoder to 388VDO we aim to explore and exploit the different forms of parallelism inherent in a video application in order to speedup AVS decoding...
In this work, we present a hardware architecture prototype for the various types of transforms and the accompanying quantization, supported in H.264 baseline profile video encoding standard. The proposed architecture achieves high performance and can satisfy quad full high definition (QFHD) (3840middot2160@150Hz) coding. The transforms are implemented using only add and shift operations, which reduces...
A method to implement the optimal distributed Kalman and Lainiotis filters is proposed. The method is based on the a-priori determination of the optimal uniform distribution of the measurements into parallel processors, in the sense of minimizing the computation time. The resulting optimal Kalman and Lainiotis filters present high parallelism speedup. This result is very important due to the fact...
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