NDLI: Arithmetic for wavelet embedded block coding based on low memory and block bit-length search

Content Provider	IEEE Xplore Digital Library
Author	Renlong Wang Yanling Hao Jin Xi
Copyright Year	2008
Description	Author affiliation: Coll. of Autom., Harbin Eng. Univ., Harbin (Renlong Wang; Yanling Hao; Jin Xi)
Abstract	A sort of arithmetic for wavelet embedded block coding based on low memory and block bit-length search is brought forward in this article. The memory occupancy can be reduced through four measures which adopted in the arithmetic in the process of coding and coding efficiency can be increasingly improved, respectively. The four measures mentioned above are: (1)LLn sub-band separate coding; (2)Establish block bit-length chart, the bit-length is defined by the author; (3)Save the space of memory by employing bit-length chart instead of using lists; (4)Swift search key blocks according to the construction of bit-length chart to overcome repeat scan and increase the coding speed. According to the experimental results, the arithmetic can reduce memory occupancy in the process of coding and increase the coding speed effectively, meanwhile, it can keep the high quality of PSNR. It has great availability in hardware design for wavelet coding.
Starting Page	3783
Ending Page	3788
File Size	1362871
Page Count	6
File Format	PDF
ISBN	9781424421138
DOI	10.1109/WCICA.2008.4593532
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-06-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Encoding Automation Hardware Optimization Availability PSNR Construction industry embedded block coding bit-length chart block bit-length memory optimization
Content Type	Text
Resource Type	Article

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