AI Based Low complexity VLSI Architectures for 2D Daubechies Wavelet Filters for DSP Applications

نویسندگان

  • A. Lakshminarayanan
  • N. Jayapal
  • K. Shajudeen
  • K. Kumar
  • V. Krishnakumar
چکیده

The field of separate rippling transforms has been attracting substantial interest partially as a result of the rippling analysis being capable of modeling an indication into a specific set of basic functions equipped with sensible spectral properties. Rippling analysis has been accustomed observe system non-linearities by creating use of its localization feature. DWT-based multi-resolution analysis results in each time and frequency localization. Separate rippling transforms square measure of interest in signal and image process as a result of their capability of signal decomposition, denoising, and event detection. This paper proposes a algebraically number primarily based multiencoding of Daubechies-4 and -6 2-D rippling filters having error-free integer-based computation. Digital VLSI architectures using parallel channels square measure projected, physically completed and tested. The multi-encoded AI framework permits a multiplication-free and computationally correct design. It additionally guarantees a noise-free computation outturn the multi-level multi-rate 2-D filtering operation. one final reconstruction step (FRS) furnishes filtered and down-sampled image outputs in fixed-point, leading to low levels of division noise.

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تاریخ انتشار 2015