Patent · US Expired

Method of auto-cropping images for scanners

US5880858A · kind A · utility

94Cited by
1References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 31, 1997
Grant dateMar 9, 1999
Priority date
Expiry dateDec 31, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/38
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A method of auto-cropping images appropriate for scanners is disclosed, that features use of the image-division method for carrying out auto-cropping. According to the method, the images of the objects after pre-scanning can be auto-cropped, and therefore do not require further manual operation. The interference due to the background color of the cover and other redundant images can also be reduced. Furthermore, the present invention is also appropriate for scanning positive and negative films, and films are disposed on frames can be scanned properly.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.