Publication Type : Conference Paper
Publisher : 2015 International Conference on VLSI Systems, Architecture, Technology and Applications, VLSI-SATA 2015
Source : 2015 International Conference on VLSI Systems, Architecture, Technology and Applications, VLSI-SATA 2015, Institute of Electrical and Electronics Engineers Inc. (2015)
ISBN : 9781479979264
Keywords : Critical Paths, Discrete wavelet transforms, Integrated circuit testing, Intermediate stage, Lifting schemes, Lifting steps, Pipeline stages, Pipelines, Proposed architectures, Structural design, Two inputs two outputs, VLSI architectures, Wavelet transforms
Campus : Bengaluru
School : School of Engineering
Department : Electronics and Communication
Year : 2015
Abstract : Reduced area and high speed 2-D DWT structural design is presented here. To decrease the delay in critical path with one multiplier, minimum stages of pipeline stage required are four for a lifting step. To reduce the pipeline stages, here short modification is adopted by recombining and storing the intermediate stages of result value. By adopting this work, we can reduce register number without critical path extension and scanning architecture adopted is parallel two inputs/ two outputs architecture, and it increases the speed and critical path can be decreased to a delay of a multiplier by 3 pipeline stages. By adopting shift add method for multiplication, the proposed method able to decrease the delay in critical path to delay of a adder. The number of registers between column and row filter requires is three for this proposed architecture for NXN size 2-DWT. © 2015 IEEE.
Cite this Research Publication : R. Mithun and Hegde, G., “High performance VLSI architecture for 2-D DWT using lifting scheme”, in 2015 International Conference on VLSI Systems, Architecture, Technology and Applications, VLSI-SATA 2015, 2015.