Weighted PCA for improving Document Image Retrieval System based on keyword spotting accuracy.
Reza TavoliEhsan KozegarMohammad ShojafarHossein SoleimaniZahra PooranianPublished in: TSP (2013)
Keyphrases
- keyword spotting
- printed documents
- principal component analysis
- document images
- image database
- speech recognition
- information retrieval
- hidden markov models
- document collections
- face recognition
- handwritten documents
- image analysis
- image retrieval
- text mining
- machine learning
- visual features
- pattern recognition
- image content
- character recognition
- image processing