CA2202138A1 - Method and apparatus for checking automated optical system performance repeatability - Google Patents

Method and apparatus for checking automated optical system performance repeatability

Info

Publication number
CA2202138A1
CA2202138A1 CA002202138A CA2202138A CA2202138A1 CA 2202138 A1 CA2202138 A1 CA 2202138A1 CA 002202138 A CA002202138 A CA 002202138A CA 2202138 A CA2202138 A CA 2202138A CA 2202138 A1 CA2202138 A1 CA 2202138A1
Authority
CA
Canada
Prior art keywords
fiducial
stage
center
determining
repeatability
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002202138A
Other languages
French (fr)
Other versions
CA2202138C (en
Inventor
William E. Ortyn
Joseph Arnone
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TriPath Imaging Inc
Original Assignee
Neopath, Inc.
William E. Ortyn
Joseph Arnone
Tripath Imaging, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Neopath, Inc., William E. Ortyn, Joseph Arnone, Tripath Imaging, Inc. filed Critical Neopath, Inc.
Publication of CA2202138A1 publication Critical patent/CA2202138A1/en
Application granted granted Critical
Publication of CA2202138C publication Critical patent/CA2202138C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/24—Base structure
    • G02B21/26—Stages; Adjusting means therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/69—Microscopic objects, e.g. biological cells or cellular parts
    • G06V20/693—Acquisition

Abstract

Tests characterize repeatability of a stage, microscope objective turret, the mechanical centration of optical paths, and parfocality of optical paths. The process includes selecting a lens with first magnification (62), inserting a calibration plate into the optical path (64), locating and centering a fiducial (66) by grossly positioning the stage (70), focus panning (72), determining the location of the center of the fiducial (74), and translating the stage to the center of the fiducial (76). After the fiducial center is recorded (68) the stage is moved in a star-like pattern (78) while imaging the fiducial (80) to help determine the lateral X and Y position of the center (82) for generating a data array (84) which is used in determining the repeatability of stage movement (88) by determining the maximum and minimum coordinate (86).
CA002202138A 1994-09-19 1995-09-12 Method and apparatus for checking automated optical system performance repeatability Expired - Fee Related CA2202138C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/308,140 US5499097A (en) 1994-09-19 1994-09-19 Method and apparatus for checking automated optical system performance repeatability
US08/308,140 1994-09-19
PCT/US1995/011697 WO1996009517A1 (en) 1994-09-19 1995-09-12 Method and apparatus for checking automated optical system performance repeatability

Publications (2)

Publication Number Publication Date
CA2202138A1 true CA2202138A1 (en) 1996-03-28
CA2202138C CA2202138C (en) 2001-08-14

Family

ID=23192722

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002202138A Expired - Fee Related CA2202138C (en) 1994-09-19 1995-09-12 Method and apparatus for checking automated optical system performance repeatability

Country Status (7)

Country Link
US (1) US5499097A (en)
EP (1) EP0782693A4 (en)
CA (1) CA2202138C (en)
DE (1) DE782693T1 (en)
ES (1) ES2114511T1 (en)
GR (1) GR980300026T1 (en)
WO (1) WO1996009517A1 (en)

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Also Published As

Publication number Publication date
DE782693T1 (en) 1998-05-14
AU3589095A (en) 1996-04-09
ES2114511T1 (en) 1998-06-01
EP0782693A1 (en) 1997-07-09
EP0782693A4 (en) 1999-10-13
CA2202138C (en) 2001-08-14
US5499097A (en) 1996-03-12
GR980300026T1 (en) 1998-04-30
AU687640B2 (en) 1998-02-26
WO1996009517A1 (en) 1996-03-28

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