OBJECT, IMAGE DATA, IMAGE DATA TRANSMISSION METHOD, CARD, GAME MAT, CARD GAME SYSTEM, IMAGE ANALYSIS DEVICE, AND IMAGE ANALYSIS METHOD

Title:

OBJECT, IMAGE DATA, IMAGE DATA TRANSMISSION METHOD, CARD, GAME MAT, CARD GAME SYSTEM, IMAGE ANALYSIS DEVICE, AND IMAGE ANALYSIS METHOD

Document Type and Number:

WIPO Patent Application WO/2006/041149

Kind Code:

A1

Abstract:

There is provided a two-dimensional code capable of performing accurate recognition. The two-dimensional code includes: a code data portion (102) where a plurality of square cells (106) are two-dimensionally arranged to constitute code data; and a plurality of corner cells (104) arranged so as to surround the code data portion (102). The corner cells (104) are configured with a greater area than the square cells (106). When the two-dimensional code is imaged by an imaging device, the corner cells (104) can be recognized in a large scale, thereby improving the two-dimensional code read accuracy.

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Inventors:

TAKANO MASANORI (JP)
OKAMOTO HIROFUMI (JP)

Application Number:

PCT/JP2005/018926

Publication Date:

April 20, 2006

Filing Date:

October 14, 2005

Export Citation:

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Assignee:

SONY COMPUTER ENTERTAINMENT INC (JP)
TAKANO MASANORI (JP)
OKAMOTO HIROFUMI (JP)

International Classes:

G06K19/06; A63F1/02; A63F1/06; A63F13/00; B42D15/10; G06K7/10; G06K19/00

Foreign References:

JP2003256876A	2003-09-12
JPH10208001A	1998-08-07
JPH0338791A	1991-02-19
JPH08329172A	1996-12-13
JPH11353436A	1999-12-24
JPH10503304A	1998-03-24

Other References: