Mobile Device-Based Struck-By Hazard Recognition in Construction Using a High-Frequency Sound.
Jaehoon LeeKanghyeok YangPublished in: Sensors (2022)
Keyphrases
- high frequency
- low frequency
- mobile devices
- wavelet transform
- visual quality
- object recognition
- subband
- high resolution
- high frequencies
- discrete wavelet transform
- wavelet domain
- wavelet decomposition
- wavelet coefficients
- high frequency components
- recognition algorithm
- low pass
- multi resolution analysis
- phase shifting
- feature extraction
- feature selection
- multiple images
- bit rate