METHOD AND DEVICE FOR DECIDING CHARACTER AREA AND RECORDING MEDIUM STORING THE METHOD

摘要

PROBLEM TO BE SOLVED: To improve the discrimination accuracy of each character area in an image including characters. SOLUTION: A color image input storage part 1 inputs color image data including characters and stores the inputted data in a memory. An image area division part 2 divides the inputted and stored color image into connected pixel areas by using a previously determined method. A high contrast area deciding part 3 discriminates a character area highly accurately by executing processing for detecting an edge from an area boundary part between plural divided areas, leaving an area in which the ratio of peripheral length to edge pixels is more than a threshold as a high contrast area having high possibility of including a character and disusing other areas as low contrast areas and then stores the obtained character area image in an character area image storing part 4.