Geometric distortion correction of camera document images using skew feature of characters.
Dae-Geun JangYunKoo ChungSooYoung ChiJung SohPublished in: Circuits, Signals, and Systems (2004)
Keyphrases
- document images
- text lines
- distortion correction
- wide angle lenses
- printed documents
- optical character recognition
- camera lens
- document analysis
- x ray
- field of view
- cross sectional
- multiple cameras
- lens distortion
- indian languages
- image distortion
- camera motion
- printed text
- image warping
- scanned documents
- focal length
- three dimensional
- image data
- vision system
- object recognition
- edge detection
- autocalibration
- deformable registration
- geometric constraints