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3D-HEVC DMM-1 Parallelism Exploration Targeting Multicore Systems

This paper proposes the 3D-HEVC Depth Modeling Mode One (DMM-1) parallelization in a multicore environment. Mainly data parallelism is explored. Experimental results with a four-core processor extended to eight logic cores through hyper-threading show that the proposed parallel version of DMM-1 achieves a speedup of 5.8. Besides, it executes 212 times faster when combined with the Simplified Edge Detector (SED) and the Gradient-Based Mode One Filter (GMOF), which are timesaving heuristics designed by related works. This is a pioneer work exploring the DMM-1 parallelism in a multicore scenario, which can be extended to massive parallel environments with even more impressive results.