Image processing apparatus and recording medium recording image processing program

• US 20070206883A1
• Filed: 07/31/2006
• Published: 09/06/2007
• Est. Priority Date: 03/06/2006
• Status: Active Grant

• Current Assignee: Fuji Xerox
• Original Assignee: Fuji Xerox Company Limited (Fujifilm Holdings Corporation)
• Inventors: Kato, Masahiro
• Granted Patent: US 7,920,742 B2
• Time in Patent Office: Days
• US Class Current: 382/305
• CPC Class Codes: G06V 30/10 Character recognition
• CPC Class Codes: G06V 30/1448 based on markings or identifiers characterising the document or the area

Abstract

An image processing apparatus includes a document input unit that inputs document data of a document, a first identifying unit that identifies a position of a string included in the document, a second identifying unit that identifies a range of a mark given in the document based on an orientation of the string, and a string extracting unit that extracts a string subject to the mark, based on the position of the string identified by the first identifying unit and the range of the mark identified by the second identifying unit.

Claims

1. An image processing apparatus, comprising:

a document input unit that inputs document data of a document;

a first identifying unit that identifies a position of a string included in the document;

a second identifying unit that identifies a range of a mark given in the document based on an orientation of the string; and

a string extracting unit that extracts a string subject to giving the mark, based on the position of the string identified by the first identifying unit and the range of the mark identified by the second identifying unit.

2. The image processing apparatus according to claim 1, further comprising a registering unit that registers the string extracted by the string extracting unit as attribute information of the document data.

3. The image processing apparatus according to claim 1, wherein the string extracting unit extracts a string included in the range of the mark, which is identified by the second identifying unit, as the string subject to giving the mark from the strings, the positions of which are identified by the first identifying unit.

4. The image processing apparatus according to claim 1, wherein:

when at least one of a beginning and an end of the mark, which define the range of the mark identified by the second identifying unit, positions at a middle of a given string, the string extracting unit determines whether or not the given string is to be extracted as the string subject to giving the mark based on a preset extraction condition.

5. The image processing apparatus according to claim 4, wherein the extraction condition is based on a ratio between a part that the given string overlaps the range of the mark and a part that the given string does not overlap the range of the mark.

6. The image processing apparatus according to claim 4, wherein the extraction condition is based on a type of word represented by the given string.

7. The image processing apparatus according to claim 1, wherein the second identifying unit having:

a connected pixel area extracting unit that extracts a connected pixel area in which pixels representing a mark given in the document are connected;

an orientation identifying unit that identifies an orientation of the mark given in the document; and

an end-of-mark identifying unit that identifies a beginning and an end of the mark based on the orientation of the mark identified by the orientation identifying unit and the range of the connected pixel area extracted by the connected pixel area extracting unit.

8. The image processing apparatus according to claim 7, wherein the end-of-mark identifying unit identifies, as the beginning and end of the mark, one end and the other end of the connected pixel area extracted by the connected pixel area extracting unit along the orientation of the mark identified by the orientation identifying unit.

9. A recording medium that records an image processing program that causes a computer to perform processing comprising:

inputting document data of a document;

identifying a position of a string included in the document;

identifying a range of a mark given in the document based on an orientation of the string; and

extracting a string subject to giving the mark, based on the position of the identified string and the identified range of the mark.

10. A computer data signal embodied in a carrier wave for enabling a computer to perform a process for image processing, the process comprising:

inputting document data of a document;

identifying a position of a string included in the document;

identifying a range of a mark given in the document based on an orientation of the string; and

extracting a string subject to giving the mark, based on the position of the identified string and the identified range of the mark.