Feature extraction based on LDAO algorithm in speechreading.
He JunGanping LiPublished in: FSKD (2012)
Keyphrases
- optimization algorithm
- cost function
- expectation maximization
- feature extraction
- detection algorithm
- similarity measure
- high accuracy
- computational cost
- dynamic programming
- k means
- experimental evaluation
- extracted features
- learning algorithm
- feature selection
- preprocessing
- particle swarm optimization
- frequency domain
- decision trees
- segmentation algorithm
- computationally efficient
- significant improvement
- worst case
- np hard
- optimal solution
- simulated annealing
- image sequences
- probabilistic model
- computational complexity
- feature space
- image processing
- convex hull
- recognition algorithm
- improved algorithm
- lower bound