Keyphrases
- detection algorithm
- gaussian mixture model
- keypoints
- moving objects
- scale invariant feature transform
- sift descriptors
- feature detection
- image features
- mixture model
- detection method
- visual words
- feature vectors
- motion detection
- detection accuracy
- detection rate
- scale invariant
- object recognition
- feature descriptors
- expectation maximization
- image matching
- background subtraction
- em algorithm
- maximum likelihood
- feature points
- outlier detection
- image sequences
- feature space
- generative model
- harris corner
- probabilistic model
- background model
- information retrieval