Pre-processing of envelope images for optical character recognition.
Andy C. DowntonC. G. LeedhamPublished in: ICPR (1988)
Keyphrases
- optical character recognition
- preprocessing
- image database
- printed documents
- input image
- historical manuscripts
- image binarization
- image collections
- lighting conditions
- image analysis
- document images
- test images
- scanned documents
- object recognition
- image set
- character recognition
- page segmentation
- image retrieval
- image features
- segmentation method
- image annotation
- denoising
- partial occlusion
- text recognition