Document processing system printing data printed in format boxes - uses colour identification and filtering to remove background and format lines

摘要

The document to be processed is of a type in which printed character data are entered into formatted boxes. Typically, the information is in the form of a name, postal address and date. The system has a colour scanning camera (12), signal processor (14), colour memory (30), colour processors (36, 44), memories and output stages. The system processes the received image to examine the colour components within the format boxes. These are compared with the document background information as a reference. A subtraction process is used to remove the formatting lines before identification is made. ADVANTAGE - Filters document data from background and formatting lines.