Hardware Implementation of Block-based Motion Estimation for Real Time Applications |
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Authors: | Maher E Rizkalla Paul Salama Mohamed El-Sharkawy and Modukuri Sushmitha |
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Affiliation: | (1) Department of Electrical and Computer Engineering, Purdue School of Engineering and Technology, Indiana University Purdue University Indianapolis, 723W Michigan Street, Indianapolis, IN 46202, USA |
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Abstract: | This work describes the VHDL design and implementation of block-based motion estimation in order to make it feasible for real-time
video applications. The design was functionally tested and simulated using ModelSim from Mentor Graphics tools, and then verified
using both a VHDL testbench and the Matlab? Image processing tools. The design was tested for different image sizes at different
clock frequencies with varying block sizes and search areas. With a clock frequency of 400 MHz, the estimated time for motion
estimation for QCIF and CIF sequences shows the feasibility for real-time video-codec.
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Keywords: | motion estimation fast search algorithms exhaustive search algorithm VLSI VHDL implementation finite state machine |
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