Fast Implementation of Lifting Based DWT Architecture For Image Compression
Keywords:
DWT, Image compression, BZFAD multiplier, FPGA, Lifting scheme
Abstract
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 512x512 image The developed DWT can be used as an IP for VLSI implementation
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Published
2012-01-15
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Copyright (c) 2012 Authors and Global Journals Private Limited
This work is licensed under a Creative Commons Attribution 4.0 International License.