Revision as of 11:30, 28 August 2009

IAPR / TC-11: Research Areas

Early Processing
- Document Image Processing
  - image operators, skeletonization, contour detection, convex hull
  - foreground/background separation
  - segmentation (page, paragraph, line, word, character etc.)
  - image-feature computation
- Pen-based Signal Processing
  - sampling techniques
  - filtering techniques
  - dehooking, artefact removal
  - pen angles and pen 'pressure' signal processing
  - on-line feature computation
Character Recognition
- machine-print fonts
- handwritten characters
- handwritten gestures and shorthand
Word Recognition
- handwritten cursive word recognition
- text recognition in low-quality images
Text Processing
- use of linguistic information to improve shape classification
- geometrical and logical document structure
- forms definition languages
- information retrieval
Multimedia Processing
- character recognition in streaming video
- license plate recognition
- character recognition from color images (e.g. on WWW, or scanned book covers)
- image, sketch and shape search
Performance Evaluation
- methodology
- public software tool development
- databases
  - machine-print ocr
  - handwriting
  - text and document corpora
Application areas
- document processing: image-to-text
- check reading
- postal automation: envelope reading
- forms reading and parsing
- graphics recognition and beautification (Also see: TC-10)
- musical score reading
- mathematical equation reading
- signature verification
- pen computing

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