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A framework for fine-granular computational-complexity scalable motion estimation [real-time video coding applications]

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3 Author(s)
Zhi Yang ; Coll. of Comput. Sci. & Technol., Zhejiang Univ., Hangzhou, China ; Hua Cai ; Jiang Li

This paper presents a novel motion estimation (ME) framework that offers fine-granular computational-complexity scalability. In the proposed framework, the ME process is first partitioned into multiple search passes. A priority function is used to represent the distortion reduction efficiency of each pass. According to the predicted priority of each macroblock (MB), computational resources are then allocated effectively in a progressive way to achieve fine-granular computational-complexity scalability. Experiments show that our proposed scheme achieves progressively improved performance over a wide range of computational capabilities.

Published in:

Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on

Date of Conference:

23-26 May 2005