Patent · US Active

Hand-drawn diagram recognition using visual arrow-relation detection

US11663761B2 · kind B2 · utility

1Cited by

8References

20Claims

0Family size

Assignee

SAP SE · DE

Inventors

Bernhard Schaefer · Groß-Gerau, DE
Andreas Gerber · Pirmasens, DE

Key dates

Filing date	Aug 25, 2021
Grant date	May 30, 2023
Priority date	—
Expiry date	Jan 1, 2042

Classification

Technology area (CPC G)Physics
CPC primaryG06T2210/12
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

Computer-readable media, methods, and systems are disclosed for converting a diagram into a digital diagram format. A diagram is received as an image file and a plurality of recognition stages produce a final diagram based on predicted information from one or more of the recognition stages. The plurality of recognition stages including a shape detection stage for detecting a plurality of shapes and at least one arrow detection stage in which arrows are detected as relations between pairs of shapes. The final diagram is generated based on the predicted information and is converted into the digital diagram format compatible with a diagram modeling language.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.