Training Initialization of Hidden Markov Models in Human Action Recognition.
Zia MoghaddamMassimo PiccardiPublished in: IEEE Trans Autom. Sci. Eng. (2014)
Keyphrases
- hidden markov models
- action recognition
- discriminative training
- baum welch
- bag of words
- human actions
- motion capture data
- human activities
- activity recognition
- motion history images
- sequential data
- speech recognition
- computer vision
- body parts
- minimum classification error
- action classification
- training set
- gesture recognition
- recognizing human actions
- human object interactions
- hidden state
- conditional random fields
- human pose
- bag of visual words
- action primitives
- data mining
- action recognition in videos
- motion features
- higher order
- k means
- feature extraction
- machine learning