Unsupervised categorization of heterogeneous text images based on fractals.
Badreddine KhelifiNizar ZaghdenAdel M. AlimiRémy MullotPublished in: ICPR (2008)
Keyphrases
- image data
- three dimensional
- ground truth
- image features
- image database
- input image
- image analysis
- fractal dimension
- image classification
- text information
- textual information
- text detection
- document categorization
- image categorization
- text extraction
- image collections
- image set
- test images
- feature points
- image registration
- image retrieval
- lighting conditions
- edge detection
- complex background
- object recognition
- keywords
- multiscale
- similarity measure
- natural images
- segmentation algorithm
- semi supervised
- text segmentation
- hand drawn
- information retrieval