A Region Histogram of Oriented Optical Flow (RHOOF) feature for apex frame spotting in micro-expression.
Haoyuan MaGaoyun AnShengjie WuFeng YangPublished in: ISPACS (2017)
Keyphrases
- optical flow
- primitive features
- adjacent frames
- consecutive frames
- gray level
- dominant color
- single frame
- grey level
- computer vision
- image sequences
- motion model
- motion features
- image frames
- motion estimation
- image features
- feature vectors
- binary patterns
- d scene
- shape features
- dense optical flow
- optical flow computation
- gray level co occurrence matrix
- optical flow estimation
- motion field
- video frames
- feature set
- moving objects
- motion parameters
- feature tracking
- back projection
- vector field
- camera motion
- mean shift
- frame difference
- least squares
- video sequences