Spatial Localization of a Transformer Robot Based on Ultrasonic Signal Wavelet Decomposition and PHAT-β-γ Generalized Cross Correlation.
Hongxin JiXinghua LiuJianwen ZhangLiqing LiuPublished in: Sensors (2024)
Keyphrases
- cross correlation
- wavelet decomposition
- frequency domain
- subband
- high frequency
- energy compaction
- wavelet domain
- spatial domain
- multiresolution
- wavelet transform
- signal analysis
- wavelet packet
- multiscale
- template matching
- low frequency
- wavelet coefficients
- feature vectors
- filter bank
- low pass
- mobile robot
- image compression
- wavelet transformation
- empirical mode decomposition
- bit rate
- mutual information
- denoising
- simultaneous localization and mapping
- wavelet subbands
- spatial information
- discrete wavelet transform
- wavelet analysis
- signal processing
- residual image
- feature extraction
- visual quality
- high resolution
- image analysis
- space time
- higher order
- pattern recognition
- high pass
- video sequences
- image segmentation