Spatiotemporal saliency for event detection and representation in the 3D wavelet domain: potential in human action recognition.
Konstantinos RapantzikosYannis AvrithisStefanos D. KolliasPublished in: CIVR (2007)
Keyphrases
- action recognition
- event detection
- wavelet domain
- activity recognition
- recognizing human actions
- human activities
- action recognition in videos
- denoising
- spatial domain
- mid level
- bag of features
- wavelet coefficients
- human actions
- multiscale
- multiresolution
- human visual system
- bag of words
- image denoising
- computer vision
- wavelet transform
- subband
- event recognition
- video analysis
- video surveillance
- high frequency
- image representation
- space time
- image compression
- temporal structure
- object recognition
- natural images
- image quality
- motion estimation
- visual words
- high quality
- spatial and temporal
- visual information
- image sequences
- image processing