画像処理装置およびその制御方法

Title:

画像処理装置およびその制御方法

Document Type and Number:

Japanese Patent JP4861250

Kind Code:

B2

Abstract:

To accurately extract embedded information from a document image using an interlinear watermark.

This image processor comprises: an input means for inputting the document image as image data; an image reduction means for, when the number of horizontal pixels in the inputted image data is W0 and that of vertical pixels is H0, for generating reduction image data in which at least the number of horizontal pixels is reduced to W1 (1COPYRIGHT: (C)2009,JPO&INPIT

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Inventors:

Koji Harada
Takami Eguchi
Yokoi Yuchi

Application Number:

JP2007146097A

Publication Date:

January 25, 2012

Filing Date:

May 31, 2007

Export Citation:

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Assignee:

Canon Inc

International Classes:

H04N1/387; G06T1/00; G06T3/40; H04N1/393

Domestic Patent References:

JP2006345017A
JP7222000A

Attorney, Agent or Firm:

Yasunori Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu

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