Towards robust automatic affective classification of images using facial expressions for practical applications.
Ligang ZhangDian TjondronegoroVinod ChandranJana EgginkPublished in: Multim. Tools Appl. (2016)
Keyphrases
- facial expressions
- image classification
- expression recognition
- facial expression recognition
- human faces
- recognition of facial expressions
- input image
- image database
- face images
- cohn kanade
- face recognition
- lighting conditions
- human emotion
- detecting faces
- frontal view
- three dimensional
- image features
- illumination variations
- video sequences
- expression classification
- emotional state
- image retrieval
- object recognition
- face detection
- emotion recognition
- image matching
- feature selection
- partial occlusion
- wavelet features
- feature extraction
- facial images
- facial features
- facial appearance
- action units
- image set
- fractal dimension
- segmentation algorithm
- feature space
- facial actions
- spatial information
- keypoints
- multiscale