Coupling beamforming with spatial and spectral feature based spectral enhancement and its application to meeting recognition.
Tomohiro NakataniMehrez SoudenShoko ArakiTakuya YoshiokaTakaaki HoriAtsunori OgawaPublished in: ICASSP (2013)
Keyphrases
- spatial frequency
- spectral characteristics
- recognition rate
- spectral features
- spectral analysis
- feature extraction
- spectral signatures
- hyperspectral images
- neural network
- object recognition
- spatial information
- image processing
- hyperspectral imagery
- spatial distribution
- image enhancement
- multispectral images
- automatic recognition
- recognition process
- recognition accuracy
- spatial data
- image analysis
- pattern recognition
- reflectance spectra