Planar coding target for vision system and real-time pose measurement method thereof
US11699244B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2022 |
| Grant date | Jul 11, 2023 |
| Priority date | — |
| Expiry date | Nov 16, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30208
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A real-time pose measurement method of a planar coding target for a vision system. The planar coding target includes a plurality of coding elements, a coding block, a coding template, a minimum identification unit pattern and a coding pattern. Each coding element has a unique coding value, and serial numbers of the coding elements are different from each other. The coding block includes four coding elements that are distributed in the same rectangle ABCD and do not overlap with each other. A center of the coding block is an intersection point O of two diagonals of the rectangle ABCD. A coding value of the coding block is associated with coding values of the four coding elements contained therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.