The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 11, 1995
Filed:
Jul. 06, 1992
Kenneth A Parulski, Rochester, NY (US);
Stephen E Johnson, Pittsford, NY (US);
Donald C Bellis, Jr, Rochester, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
A technique for improving the tone and color reproduction of print and slide images which are photographed onto color negative film, scanned by a Photo CD negative scanner and transferred onto Photo CD discs is disclosed. The technique incorporates a calibration method for (1) producing color negatives (or slides) using normal scanner calibration targets, (2) producing controlled prints from the negatives, (3) re-photographing the prints (or slides) onto a second color negative film, and (4) performing the normal scanner calibration using this second 'cascaded' film. The calibration step not only 'compensates for' the second color negative film (as is the case when calibrating for 'normal' film exposed from the original scenes) but also 'compensates for' the first negative film 'print through' (or slide) characteristics. This means that the image data recorded on the Photo CD disc will more closely resemble the data which would be produced if the original scene had been photographed on color negative film and scanned directly.