Invention Grant
- Patent Title: Data block offset encoding method for coordinates
- Patent Title (中): 坐标数据块偏移编码方法
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Application No.: US13313762Application Date: 2011-12-07
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Publication No.: US08544741B2Publication Date: 2013-10-01
- Inventor: Shaun Peter O'Keefe
- Applicant: Shaun Peter O'Keefe
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A., Inc. IP Division
- Main IPC: G06K5/00
- IPC: G06K5/00

Abstract:
A barcode includes a plurality of blocks arranged to define a coordinate system across the barcode. A method determines sizes of at least first and second blocks into which arbitrary information is to be encoded such that the blocks have a pair-wise anharmonic relationship with each other. A first portion of the arbitrary information to be encoded in the first block and a second portion of the arbitrary information to be encoded in the second block are then selected. The method encodes the first portion and the second portion, and provides a decode verification mechanism in each of the first and second blocks. A plurality of the encoded first blocks and a plurality of the encoded second blocks are arranged to form a barcode and to define a coordinate system therein, whereupon the barcode may be stored to a memory device.
Public/Granted literature
- US20120175419A1 DATA BLOCK OFFSET ENCODING METHOD FOR COORDINATES Public/Granted day:2012-07-12
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