System and method for detection and removal of thin lines in a graphic image
US10319082B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 30, 2017 |
| Grant date | Jun 11, 2019 |
| Priority date | — |
| Expiry date | Jun 30, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T11/003
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Presented is a method for identifying and removing one or more thin lines from a binary source image. The steps include generating a hole-filled intermediate binary image, and performing a thin line detection and removal process on the hole-filled intermediate binary image. The thin line detection and removal is performed by creating an eroded intermediate image, creating an opened intermediate image by performing a morphology dilation process, inverting the opened intermediate image, generating a density adjusted binary source image, generating a difference pixel intermediate image, generating a thin line subtraction intermediate image, and subtracting the thin line subtraction intermediate image from the binary source image to create a binary output image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.