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In this paper, we present the design and implementation of an Open Computing Language (OpenCL) framework that targets heterogeneous accelerator multicore architectures with local memory. The architecture consists of a general-purpose processor core and multiple accelerator cores that typically do not have any cache. Each accelerator core, instead, has a(More)
The bit allocation problem for hierarchical B-pictures in H.264/SVC is studied with a GOP-based dependent distortion model in this work. Inter-dependency between temporal layers of H.264/SVC is often neglected because of the complexity involved, which often leads to poorer rate control performance. To address this shortcoming , we propose a distortion model(More)
In this paper, we propose parallelization and optimization techniques of the H.264 decoder for the Cell BE processor. We exploit both frame-level parallelism and macroblock pipelining. The major bottleneck in achieving the real-time performance is the entropy decoding stage, CABAC. Our decoder eliminates this bottleneck by exploiting the frame-level(More)