Patent Number: 8,218,863

Title: Image processing apparatus, image processing method and image processing means

Abstract: An image processing apparatus which extracts, from image data, drawing-photograph pixels forming a drawing or a photograph, the image processing apparatus including a pixel value replacement unit configured to replace pixel values of image data with plural representative pixel values; a candidate region extraction unit configured to extract plural candidate regions; a feature value acquisition unit configured to acquire a feature value indicating a degree of contained symbol pixels forming symbols; a feature value determination units.

Inventors: Hasegawa; Fumihiro (Tokyo, JP)

Assignee: Ricoh Company, Ltd.

International Classification: G06K 9/00 (20060101)

Expiration Date: 2020-07-10 0:00:00