Data capture, character recognition OCR ICR OMR CHR BCR, image processing, forms data capture, document indexing, automatic data extraction Data capture, character recognition OCR ICR OMR CHR BCR, image processing, forms data capture, document indexing, automatic data extraction

Black Border Removal

Black Border Removal

Some types of scanners with high productivity using a black background instead of white for two fundamental reasons: to avoid problems of transparency acquiring very thin sheets and allow the simultaneous acquisition of sheets of different sizes. The image of the scanned document can then submit thick edges made ​​up of bands blackened The operation of identification and elimination of this border is called black border removal and can be performed automcatically with a software procedure that, after image analisys, can cut off any additional black on all four sides of the sheet or can simply sbiancarla, based on the settings choose it. Also in this case it is not necessary intervention of the operator, the processing times are almost instantaneous and it can act indifferently on images in black and white, gray-scale, and color.

Black Border Removal and Dinamic Thresholding applied at page of book acquired with planetary scanner: on the left the original image on the right that processed

Black Border Removal and Dinamic Thresholding applied at page of book acquired with planetary scanner: on the left the original image on the right that processed
For more information on the Black Border Removal technology, it is worthwhile to know how and know our solutions that implement it, you can send us an e-mail to informazioni@recogniform.it or fill in the form below.


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