Method for identifying film type
US5412737A · kind A · utility
12Cited by
9References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 10, 1993 |
| Grant date | May 2, 1995 |
| Priority date | — |
| Expiry date | Feb 10, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/10024
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for identifying the film type of a color input medium having picture and film border areas and which is scanned to produce an input image having a multiplicity of color separations having portions corresponding to the picture and border areas, the method including the steps of creating picture histograms of the picture area of the input image, defining a dark level and a bright level for each of the picture histograms and identifying a film type by comparing the dark and bright levels to predetermined thresholds defining predetermined characteristics of a given film type.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.