A DEVICE AND METHOD FOR PERFORMING OPTICAL CHARACTER RECOGNITION

A DEVICE AND METHOD FOR PERFORMING OPTICAL CHARACTER RECOGNITION

A method of performing character isolation in an optical character recognition process, the method comprising receiving image data representing one or more character columns, determining a number of black pixels in each column of the image data, defining a vertical separation threshold which is a ma...

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1. Verfasser: HAMMEN, Dietmar
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
PHYSICS
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creator HAMMEN, Dietmar
description A method of performing character isolation in an optical character recognition process, the method comprising receiving image data representing one or more character columns, determining a number of black pixels in each column of the image data, defining a vertical separation threshold which is a maximum number of black pixels in a column, dividing the columns into different pixel groups and groups of excluded columns by excluding any columns with a number of black pixels below the vertical separation threshold, identifying the pixel group representing the left most character column in the image data, determining whether there are one or two pixel groups representing character columns in the image data and, if it is determined that there are two pixel groups representing character columns, using a predetermined width value for a right most character column in order to identify a right hand boundary of the right most character column.
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subjects CALCULATING
COMPUTING
COUNTING
PHYSICS
title A DEVICE AND METHOD FOR PERFORMING OPTICAL CHARACTER RECOGNITION
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