Block-adaptive binarization of business card images in PDA using modified quadratic filter.
Ki T. ShinIck Hoon JangNam Chul KimChong Heun KimTae Sik KimPublished in: DRR (2004)
Keyphrases
- image data
- input image
- image analysis
- image database
- image retrieval
- gray scale images
- image classification
- image features
- object recognition
- image registration
- edge detection
- global thresholding
- test images
- three dimensional
- jpeg images
- image binarization
- signal dependent
- gabor filters
- image processing
- binary images
- document images
- gray scale
- smart card
- business processes
- image blocks
- gray value
- lightweight
- adaptive thresholding
- mobile phone
- multiscale