Title:
二次元コード抽出方法
Document Type and Number:
Japanese Patent JP4419269
Kind Code:
B2
Abstract:
An image data is inputted by using a device such as a document scanner. The input image data is scanned in a square block unit of MxN pixels, and blocks that satisfy specific conditions is detected based on the scanning process. In one example, a ratio of white pixels and black pixels falls within scanned blocks is used as the specific condition to detect those blocks. Then a region that neighbored by the other blocks is detected, and is extracted as a two-dimensional code region.
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Inventors:
Kenichiro Sakai
Tsuguo Noda
Tsuguo Noda
Application Number:
JP2000116429A
Publication Date:
February 24, 2010
Filing Date:
April 18, 2000
Export Citation:
Assignee:
富士通株式会社
International Classes:
G06K7/10; G06K7/14; G06T5/00; G06T7/40
Domestic Patent References:
| JP7262301A |
Attorney, Agent or Firm:
Junichi Yokoyama