Method and apparatus for determining conformity of a predetermined shape related characteristics of an object or stream of objects by shape analysis
US4624367A · kind A · utility
Inventors
Key dates
| Filing date | Apr 20, 1984 |
| Grant date | Nov 25, 1986 |
| Priority date | — |
| Expiry date | Apr 20, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB07C5/366
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
In its simplest sense, the present invnetion contemplates a method and apparatus for determining a characteristic or property of randomly oriented, irregularly shaped objects by obtaining an image profile of the object, selecting a plurality of edge points from the image profile and obtaining therefrom a parameter related to the characteristic or property of the object. Having determined the characteristic or property of the objects analyzed, they can be treated appropriately, for example, sorted and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.