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Technological growth in semiconductor industry have led to unprecedented demand for faster, area efficient and low power VLSI circuits for complex image processing applications. DWT-IDWT is one of the most popular IP that is used for image transformation. In this work, a high speed, low power DWT/IDWT architecture is designed and implemented on ASIC using 130nm Technology. 2D DWT architecture based on lifting scheme architecture uses multipliers and adders, thus consuming power. This paper addresses power reduction in multiplier by proposing a modified algorithm for BZFAD multiplier. The proposed BZFAD multiplier is 65% faster and occupies 44% less area compared with the generic multipliers. The DWT architecture designed based on modified BZFAD multiplier achieves 35% less power reduction and operates at frequency of 200MHz with latency of 1536 clock cycles for 512×512 image. The developed DWT can be used as an IP for VLSI implementation.
Dr. Nagabushanam, S. Ramachandran. 2012. "Fast Implementation of Lifting Based DWT Architecture For Image Compression". Global Journal of Computer Science and Technology, Global Journal of Computer Science and Technology - F: Graphics & Vision GJCST-F Volume 12 (GJCST Volume 12 Issue F11).
Crossref Journal DOI 10.17406/gjcst
Print ISSN 0975-4350
e-ISSN 0975-4172
v1.2
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Total Score: 147
Country: India
Subject: Global Journal of Computer Science and Technology
Authors: Dr. M. Nagabushanam, S. Ramachandran (PhD/Dr. count: 1)
View Count (all-time): 371
Total Views (Real + Logic): 3982
Total Downloads (simulated): 318
Publish Date: 2012 03, Thu
Monthly Totals (Real + Logic):
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