Quaternion Fourier Descriptors for the Preprocessing and Recognition of Spoken Words Using Images of Spatiotemporal Representations.
Eduardo Bayro-CorrochanoNoel TrujilloMichel NaranjoPublished in: J. Math. Imaging Vis. (2007)
Keyphrases
- fourier descriptors
- spoken words
- preprocessing
- object recognition
- preprocessing stage
- three dimensional
- input image
- fourier transform
- image analysis
- image features
- image retrieval
- shape analysis
- moment invariants
- feature extraction
- image registration
- edge detection
- pattern recognition
- affine transformation
- image matching
- image set
- automatic speech recognition
- segmentation method
- geometric models
- shape representation
- shape descriptors
- feature points
- computational complexity
- face recognition