Weak GNSS signal acquisition based on wavelet de-noising through lifting scheme and heuristic threshold optimization.
Yupeng WangShanbao HeZhuqing JiangChengkai HuangXueyang WangPublished in: WPMC (2014)
Keyphrases
- lifting scheme
- wavelet packet
- denoising
- multiresolution
- multiresolution analysis
- wavelet transform
- signal acquisition
- filter bank
- image compression
- wavelet domain
- discrete wavelet transform
- signal processing
- soft threshold
- perfect reconstruction
- subband
- wavelet filters
- high speed
- lossless compression
- image coding
- image denoising
- transform coding
- lossy compression
- coding scheme
- wavelet function
- wavelet decomposition
- data compression
- real time
- wavelet coefficients
- multiscale
- vector valued
- high frequency
- natural images
- face recognition