An Efficient Pipelined VLSI Architecture for Lifting-Based 2D-Discrete Wavelet Transform

@article{Jain2007AnEP,
  title={An Efficient Pipelined VLSI Architecture for Lifting-Based 2D-Discrete Wavelet Transform},
  author={Rahul Jain and Preeti Ranjan Panda},
  journal={2007 IEEE International Symposium on Circuits and Systems},
  year={2007},
  pages={1377-1380}
}
The discrete wavelet transform (DWT) forms the core of the JPEG2000 image compression algorithm. JPEG2000 standard defines an irreversible DWT by a lifting scheme of factorized coefficients using (9, 7) Daubechies coefficients. The paper proposed optimizations on lifting based 1D-DWT data flow graph resulting in a new pipelining scheme, which is more power-efficient than existing approaches. The authors have shown that the constant multipliers defined by JPEG2000 standard, have latency of about… CONTINUE READING

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