Image analysis – Image transformation or preprocessing
Patent
1995-11-06
1998-11-17
Boudreau, Leo H.
Image analysis
Image transformation or preprocessing
358514, 358515, 355 53, 355 71, 355 75, 355 77, G06K 936
Patent
active
058388362
ABSTRACT:
A method and apparatus for performing a rough crop of a mounted image off-line prior to scanning. The apparatus comprises a kit having cards with apertures of various defined sizes and slide holders corresponding to standard original (film) sizes to be used. Each aperture card is labeled for identification, and each slide holder is marked with labeled lines at discrete intervals parallel to the card edges, following a Cartesian orientation. An original to be scanned is mounted in a slide holder corresponding to its size, and an aperture card selected for the desired cropping aperture, from the set included in the kit, and placed on top of the slide holder card with the outside edges of both cards aligned. An offset of the crop aperture from the center of the image is accomplished by shifting the crop card until one or more of the parallel lines on the slide holder come into view. When the desired rough crop aperture has been achieved, it can be specified quickly by a three-element code comprising the aperture card identifier, and two indices identifying which the offsets as given by the exposed parallel lines.
REFERENCES:
patent: 4132480 (1979-01-01), Reed
patent: 4455082 (1984-06-01), Lepist
patent: 4970547 (1990-11-01), Desai
patent: 5122871 (1992-06-01), Israeli et al.
patent: 5438430 (1995-08-01), Mackinlay et al.
patent: 5534971 (1996-07-01), Gaetano
patent: 5611482 (1997-03-01), Gaetano
Agfa Division--Bayer Corporation
Boudreau Leo H.
Mariam Daniel G.
Merecki John A.
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