Title:
2次元カラーバーコード、2次元カラーバーコードの生成方法及びプログラム
Document Type and Number:
Japanese Patent JP5395286
Kind Code:
B2
Abstract:
A two-dimensional color barcode using gradations of color is disclosed. The barcode includes a black and white configuration block that encodes configuration information about the barcode and a plurality of color data blocks that encodes data. Each tile in the data blocks has one of the-predefined recoverable gradation values of the RGB, CMY or other color sets. The number of recoverable gradation values for each color used in the color data block is specified in the configuration block. The barcode also includes a corner marker consist of a column and a row of black abutting the configuration block which is located in the top left corner, three additional corner markers and a plurality of block separators along the sides of barcode. Also described are methods for generating and decoding such a 2d color barcode. The methods include transforming data values to be encoded into the color space and vise versa.
Inventors:
Paul, Catron
Application Number:
JP2013028594A
Publication Date:
January 22, 2014
Filing Date:
February 18, 2013
Export Citation:
Assignee:
Konica Minolta Laboratory U.S.A., Incorporated
International Classes:
G06K19/06; G06K1/12; G06K7/00; G06K7/10; G06K7/12
Domestic Patent References:
| JP2004280177A | ||||
| JP2003178277A | ||||
| JP7175883A | ||||
| JP2004259302A | ||||
| JP10208001A | ||||
| JP2001319200A | ||||
| JP2006012162A | ||||
| JP3018476U |
Foreign References:
| WO2006009300A1 |
Attorney, Agent or Firm:
Gwangyang International Patent Office