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http://dx.doi.org/10.5909/JBE.2012.17.6.1091

Statistical Characteristics and Complexity Analysis of HEVC Encoder Software  

Ahn, Yongjo (Dept. of Computer Engineering, Kwangwoon University)
Hwang, Taejin (Dept. of Computer Engineering, Kwangwoon University)
Yoo, Sungeun (Dept. of Computer Engineering, Kwangwoon University)
Han, Woo-Jin (Dept. of Software Development and Management, Gachon University)
Sim, Donggyu (Dept. of Computer Engineering, Kwangwoon University)
Publication Information
Journal of Broadcast Engineering / v.17, no.6, 2012 , pp. 1091-1105 More about this Journal
Abstract
In this paper, we analyzed statistical characteristics and complexity of HEVC encoder as a leading research of acceleration, optimization and parallelization. Computational complexity of the HEVC encoder is approximately twice the compression performance compared to H.264/AVC. But, the increase of encoder complexity remains a problem to be solved in the future. Before performing the research on acceleration, optimization and parallelization to reduce high complexity of HEVC encoder, we measure the complexity each module for HEVC encoder using it's reference software HM 7.1. We also measured the predicted complexity of fast HEVC encoder software, used in real applications, using HM 7.1 applying fast encoding method. The complexity is measured in terms of the operating cycle of the encoder software under the common test sequences and conditions in the Windows PC environment. In addition, we analyze statistical characteristics of HEVC encoder software according to encoding structures and limitation using coded bitstreams.
Keywords
HEVC; Encoder; Complexity; Statistical characteristic;
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