Simrandeep kaur and V.Sulochana Verma (2012) International Journal of Information Sciences and Techniques (IJIST)

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International Journal of Information Sciences and Techniques (IJIST)

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CONTRIBUTORS:

	Author:	Simrandeep kaur
	Author:	V.Sulochana Verma

JOURNAL:

Design and Implementation af LZW Data Compression Algorithm, 2(4), 71 - 81.

YEAR:

2012

PUB TYPE:

Journal Article

SUBJECT(S):

Compression rate, LZW codes and Binary text.

DISCIPLINE:

Computer Science

HTTP:

http://airccse.org/journal/IS/papers/2412ijist07.pdf

LANGUAGE:

English

PUB ID:

103-505-037 (Last edited on 2012/08/07 01:45:20 GMT-6)

SPONSOR(S):

ABSTRACT:
LZW is dictionary based algorithm, which is lossless in nature and incorporated as the standard of the consultative committee on International telegraphy and telephony, which is implemented in this paper. Here, the designed dictionary is based on content addressable memory (CAM) array. Furthermore, the code for each character is available in the dictionary which utilizes less number of bits (5 bits) than its ASCII code. In this paper, LZW data compression algorithm is implemented by finite state machine, thus the text data can be effectively compressed. Accurate simulation results are obtained using Xilinx tools which show an improvement in lossless data compression scheme by reducing storage space to 60.25% and increasing the compression rate by 30.3%

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