https://scholars.lib.ntu.edu.tw/handle/123456789/313897
Title: | Reconfigurable discrete wavelet transform processor for heterogeneous reconfigurable multimedia systems | Authors: | Tseng, P.-C. Huang, C.-T. Chen, L.-G. LIANG-GEE CHEN |
Keywords: | Discrete wavelet transform; Energy efficiency; Heterogeneous reconfigurable multimedia systems; Lifting scheme; Reconfigurable computing | Issue Date: | 2005 | Journal Volume: | 41 | Journal Issue: | 1 | Start page/Pages: | 35-47 | Source: | Journal of VLSI Signal Processing Systems for Signal, Image, and Video Technology | Abstract: | In this paper, a novel reconfigurable discrete wavelet transform processor architecture is proposed to meet the diverse computing requirements of future generation multimedia SoC. The proposed architecture mainly consists of reconfigurable processing element array and reconfigurable address generator, featuring dynamically reconfigurable capability where the wavelet filters and wavelet decomposition structures can be reconfigured as desired at run-time. The lifting-based reconfigurable processing element array possesses better computation efficiency than convolution-based architectures, and a systematic design method is provided to generate the hardware configurations of different wavelet filters for it. The reconfigurable address generator handles flexible address generation for data I/O access in different wavelet decomposition structures. A prototyping chip has been fabricated by TSMC 0.35 μm 1P4M CMOS process. At 50 MHz, this chip can achieve at most 100 M pixels/sec transform throughput, together with energy efficiency and unique reconfigurability features, proving it to be a universal and extremely flexible computing engine for heterogeneous reconfigurable multimedia systems. © 2005 Springer Science + Business Media, Inc. |
URI: | http://www.scopus.com/inward/record.url?eid=2-s2.0-21544471252&partnerID=MN8TOARS http://scholars.lib.ntu.edu.tw/handle/123456789/313897 |
DOI: | 10.1007/s11265-005-6249-z | SDG/Keyword: | CMOS integrated circuits; Computational methods; Digital signal processing; Embedded systems; Energy efficiency; Graphic methods; Integration; Wavelet transforms; Discrete wavelet transforms; Heterogeneous reconfigurable multimedia systems; Lifting scheme; Reconfigurable computing; System-on-a-chip (SoC); Multimedia systems |
Appears in Collections: | 電機工程學系 |
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