Feature extraction combining spectral noise reduction and cepstral histogram equalization for robust ASR.
José C. SeguraM. Carmen BenítezÁngel de la TorreAntonio J. RubioPublished in: INTERSPEECH (2002)
Keyphrases
- noise reduction
- noisy environments
- histogram equalization
- feature extraction
- image enhancement
- signal to noise ratio
- speech recognition
- edge detection
- speech enhancement
- edge preserving
- contrast enhancement
- median filter
- linear prediction
- edge enhancement
- image processing
- automatic speech recognition
- gray scale
- feature vectors
- speech signal
- gray level
- computer vision
- machine learning
- wavelet transform
- pattern recognition
- image analysis
- high resolution
- image classification
- hidden markov models