Image processing method and apparatus, and storage medium
US6650778B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2000 |
| Grant date | Nov 18, 2003 |
| Priority date | — |
| Expiry date | Jan 20, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99936
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The image of a processing target is input. A feature quantity extraction device obtains a feature quantity distribution of the input image, and makes it binary. When desired template data is selected by a user, a template data generation device automatically generates a plurality of template sets different in size from each other from the selected template data. A template scan device raster-scans each template on the respective images with a predetermined sampling pitch according to the size, and obtains the first shape fit at each position. When the user instructs start of extraction execution processing, a template figure element deformation device shifts the representative point of a figure element constituting the template figure within the shift range, and generates a new curve segment interconnecting the representative points after shift. By a shape fit evaluation device evaluating the second shape fit at each portion, the representative point is shifted such that the second shape fit becomes not less than a predetermined reference value or the maximum, and finally, a boundary generation device generates a line interconnecting the representative points.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.