Image processing system for expanding focal depth of optical mac

Details Image processing system for expanding focal depth of optical mac Image processing system for expanding focal depth of optical mac

1997-04-18

1999-08-03

Rogers, Scott

Image analysis

Applications

Range or distance measuring

382255, 382261, G06K 940, G06T 550

Patent

active

059335130

ABSTRACT:
An optical microscope comprises an image forming system including a CCD camera for picking up an image of a sample S, exchangeable objective lenses for projecting the image of the sample S on the image pick-up surface of the CCD camera, and an image pick-up unit, etc., driving motors for driving the objective lenses or a stage holding the sample S to displace the focal point of the image forming system relative to the sample S, an image integrating section for sequentially integrating a plurality of focused point images of the sample S sequentially output from the CCD camera, and a restoration filter section having a restoration film for restoring the focused point images from the integrated image, thereby outputting a restored image. On the basis of changes in optical conditions of the image forming system, optimal filter coefficients for the restoration filter are obtained from a table stored in a coefficient matrix table storage. On the basis of the optimal filter coefficients, values set for the restoration filter in the restoration filter section are changed.

REFERENCES:
patent: 5124842 (1992-06-01), Honda et al.
patent: 5148502 (1992-09-01), Tsujiuchi et al.
patent: 5282045 (1994-01-01), Mimura et al.
patent: 5511155 (1996-04-01), Yamaguchi
patent: 5604825 (1997-02-01), Hirota et al.

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