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Patent Searching and Data


Title:
CODING PATTERN, CODING AND READING METHODS FOR SAME, CALIBRATION BOARD, AND CALIBRATION METHOD
Document Type and Number:
WIPO Patent Application WO/2021/004414
Kind Code:
A1
Abstract:
The present application discloses a coding pattern, coding and reading methods for the same, a calibration board, and a calibration method. In the present application, the coding pattern comprises four positioning blocks, wherein three of the positioning blocks are located at three corner portions of the coding pattern, and the remaining positioning block only contacts one edge of the coding pattern, thereby forming an asymmetrical distribution configuration of the four positioning blocks. The invention can replace a two-dimensional code standard in the related art, saving the licensing and manufacturing costs of using two-dimensional code generation software in the related art, and is not subject to usage restrictions of the two-dimensional code generation software in the related art. The invention enables accurate and fast positioning of the coding pattern, facilitates quick discovery of an initial coding block position in a coding region, and allows a customizable size of the coding pattern and a customizable size of a coding region in the coding pattern according to a data volume of an application scenario, thereby providing flexibility in configuring data information recorded in the coding pattern. In addition, coding of the coding region is simple, thereby improving efficiency.

Inventors:
YANG XU (CN)
Application Number:
PCT/CN2020/100304
Publication Date:
January 14, 2021
Filing Date:
July 04, 2020
Export Citation:
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Assignee:
HANGZHOU HIKROBOT TECH CO LTD (CN)
International Classes:
H03M13/11; G06T7/80
Foreign References:
CN104781835A2015-07-15
CN104657982A2015-05-27
CN101093553A2007-12-26
CN104778491A2015-07-15
CN109034325A2018-12-18
CN201910606064A2019-07-05
CN201910606513A2019-07-05
Other References:
See also references of EP 3996283A4
Attorney, Agent or Firm:
PATENTSINO IP FIRM (CN)
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