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Proceedings Paper

Techniques for increasing throughput in HEVC transform coefficient coding
Author(s): Rajan L. Joshi; Joel Sole; Jianle Chen; Wei-Jung Chien; Marta Karczewicz
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Paper Abstract

Transform coefficient coding in HEVC encompasses the scanning patterns and the coding methods for the last significant coefficient, significance map, coefficient levels and sign data. Unlike H.264/AVC, HEVC has a single entropy coding mode based on the context adaptive binary arithmetic coding (CABAC) engine. Due to this, achieving high throughput for transform coefficient coding was an important design consideration. This paper analyzes the throughput of different components of transform coefficient coding with special emphasis on the explicit coding of the last significant coefficient position and high throughput binarization. A comparison with H.264/AVC transform coefficient coding is also presented, demonstrating that HEVC transform coefficient coding achieves higher average and worst case throughput.

Paper Details

Date Published: 15 October 2012
PDF: 10 pages
Proc. SPIE 8499, Applications of Digital Image Processing XXXV, 849911 (15 October 2012); doi: 10.1117/12.945962
Show Author Affiliations
Rajan L. Joshi, Qualcomm Inc. (United States)
Joel Sole, Qualcomm Inc. (United States)
Jianle Chen, Qualcomm Inc. (United States)
Wei-Jung Chien, Qualcomm Inc. (United States)
Marta Karczewicz, Qualcomm Inc. (United States)

Published in SPIE Proceedings Vol. 8499:
Applications of Digital Image Processing XXXV
Andrew G. Tescher, Editor(s)

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