Deep spectral feature pyramid in the frequency domain for long-term action recognition.
Gaoyun AnZhenXing ZhengDapeng WuWen ZhouPublished in: J. Vis. Commun. Image Represent. (2019)
Keyphrases
- frequency domain
- action recognition
- spectral domain
- spatial domain
- fourier transform
- human actions
- bag of words
- power spectral
- human detection
- activity recognition
- spectral signatures
- action classification
- computer vision
- recognition of human actions
- multiresolution
- recognizing human actions
- denoising
- human activities
- multiscale
- feature extraction
- subband
- image features
- action recognition in videos
- histogram of oriented gradients
- scale space
- image registration
- machine learning
- global features
- image segmentation
- wavelet transform
- image representation
- input image