Insights to Variable Block Size Motion Estimation by Design Space Exploration

Provided by: University of Ottawa
Topic: Hardware
Format: PDF
Numerous different implementations for H.264/AVC variable block size motion estimation have been proposed in the recent years to make this computationally challenging task more feasible for mobile devices with video encoding support. The variable block size motion estimation problem defined by the standard is complex and multidimensional, offering a wide variety of possibilities for efficient implementation. One of the most popular implementation architectures are systolic arrays. In this paper, the authors look at the full-search variable block size motion estimation problem on 1D systolic arrays from a high level by modeling the system with a software tool that enables design space exploration and cycle-accurate simulation.

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