FPGA Implementation of 1D and 2D DWT Architecture Using Modified Lifting Scheme

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Provided by: WSEAS
Topic: Hardware
Format: PDF
Image compression is one of the prominent topics in image processing that plays a very important role in reducing image size for real-time transmission and storage. Many of the standards recommend the use of DWT for image compression. The computational complexity of DWT imposes a major challenge for the real-time use of DWT-based image compression algorithms. In this paper, the authors propose a modified lifting scheme for computing the approximation and detailed coefficients of DWT.
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