Arabic characters recognition in natural scenes using sparse coding for feature representations.
Maroua TounsiIkram MoallaAdel M. AlimiFrank LebourgeoisPublished in: ICDAR (2015)
Keyphrases
- natural scenes
- sparse coding
- natural images
- feature representations
- image representation
- object recognition
- image content
- generative model
- multiscale
- higher order
- feature representation
- image patches
- low level features
- image classification
- sparse representation
- denoising
- visual words
- bag of words
- input image
- image features
- action recognition
- test images
- machine learning
- computer vision
- feature space
- feature extraction
- linear combination
- high dimensional
- unsupervised learning
- prior knowledge
- object detection
- probabilistic model