Text detection in images using sparse representation with discriminative dictionaries.
Ming ZhaoShutao LiJames Tin-Yau KwokPublished in: Image Vis. Comput. (2010)
Keyphrases
- sparse representation
- text detection
- test images
- image classification
- sparse codes
- dictionary learning
- sparse coding
- face recognition
- object recognition
- image data
- text information
- image features
- image patches
- three dimensional
- signal processing
- urban scenes
- object tracking
- dimensionality reduction
- visual features
- semi supervised
- input image
- connected components
- edge detection
- image representation
- higher order
- image set
- object categories
- video analysis
- outdoor scenes
- image retrieval
- feature extraction
- computer vision