Image Preprocessing Techniques for Facial Expression Recognition with Canny and Kirsch Edge Detectors.
Kennedy ChengetaSerestina ViririPublished in: ICCCI (2) (2019)
Keyphrases
- facial expression recognition
- image preprocessing
- edge detector
- feature extraction
- edge detection
- image enhancement
- facial expressions
- human computer interaction
- scale space
- image processing
- edge linking
- signal to noise ratio
- gray level
- preprocessing step
- face recognition
- zero crossing
- edge map
- local binary pattern
- human faces
- facial features
- iris recognition
- facial images
- preprocessing
- multiscale
- wavelet transform
- image analysis
- feature selection
- region growing
- similarity measure
- color images
- multiresolution
- feature vectors
- feature set