WO2007127284A2 - système d'analyse d'images avec fonctionnalités interchangeables - Google Patents

système d'analyse d'images avec fonctionnalités interchangeables Download PDF

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Publication number
WO2007127284A2
WO2007127284A2 PCT/US2007/010095 US2007010095W WO2007127284A2 WO 2007127284 A2 WO2007127284 A2 WO 2007127284A2 US 2007010095 W US2007010095 W US 2007010095W WO 2007127284 A2 WO2007127284 A2 WO 2007127284A2
Authority
WO
WIPO (PCT)
Prior art keywords
analysis
analyzing
processing electronics
housing
lens
Prior art date
Application number
PCT/US2007/010095
Other languages
English (en)
Other versions
WO2007127284A3 (fr
Inventor
Ming-Kai Tse
Original Assignee
Quality Engineering Associates, 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 Quality Engineering Associates, Inc. filed Critical Quality Engineering Associates, Inc.
Publication of WO2007127284A2 publication Critical patent/WO2007127284A2/fr
Publication of WO2007127284A3 publication Critical patent/WO2007127284A3/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis

Definitions

  • the quality of the image is a function not only of the printer quality and characteristics including print head characteristics but importantly of the quality of the actual paper, whether by not a normal soft surface fiber based paper or a more glossy paper designed for printing color images . Accordingly, it is important to be able to determine the ultimate print quality, or as used herein, "distinctness of image.” This is important both for quality control and the production of papers in production plants as well as for user selection and buying decisions in office, retail and wholesale environments.
  • the present invention provides the flexibility of a portable image analyzer with the flexibility of adapting to many different analysis environments. This is accomplished with interchangeable parts which allow the more expensive equipment, such as CCD substrate and processing electronics, to be provided in a common imaging head.
  • LL light and/or lens
  • Fig. 1 shows an image head with an LL housing attached
  • Fig. 2 shows an imaging head detached from a plurality of LL housings
  • Fig. 3 shows a cross section of an imaging head with a typical LL housing
  • Fig. 4 shows an interconnection mechanism for reversibly attaching an imaging head to an LL housing
  • Fig. 5 shows an application of the invention with an LL housing for analyzing the distinctness of image (DOI) as a figure of merit for printable paper characteristics;
  • DOE distinctness of image
  • Figs. 6a and 6b show light distribution from the application of the invention to DOI analysis .
  • FIG. 1 an image analyzer of the invention is shown with a image head 10, with an on/off switch/toggle 11 and LL housing 12 attached to each other.
  • Fig. 2 the units are shown apart with their attachment faces 14 and 16 respectively showing.
  • the image head 10 has an aperture 18 with lateral openings 20 to accommodate neck 22 and wings 24 of the LL housings in locking embrace.
  • To provide electrical operating poser to the LL housings 12 contacts in areas 26 of the faces are provided.
  • the imaging head 10 and LL housing 12 are shown in section in Fig. 3 along the section lines shown in Fig. 2.
  • the LL housing 12 is adapted to be placed over a substrate 30 having surface features to be analyzed.
  • An aperture 32 allows light to pass into the LL housing and filter 34 may be secured therein for spectrum specific analysis.
  • the filter may be used in aperture 18, or in both, where return light for analysis only is to be filtered.
  • Illumination sources 36 may be placed peripherally and out of the imaging light path within the housing 12 with their radiation directed through the aperture 32 onto the substrate.
  • the sources 36 in some housings may be flash sources alone or in combination, under a control 37.
  • the illumination originates below the LL housing from a source 36 and the light to be analyzed is that passing through the substrate 30.
  • a lens 38 with a zoom control in some housings, adapted to the specific test such as by being telephoto or wide angle or anywhere in between is mounted in the housing.
  • Light is focused through the aperture 40 in the collar 22 into the imaging head 10 and onto a 2D photo receptor such as a CCD array 42.
  • a 2D photo receptor such as a CCD array 42.
  • an auxiliary lens 44 may be included, or placed through a slot, in the imaging head.
  • the CCD detector may be high resolution, low res or have its center high res and the outer parts less high.
  • a processor 46 does some image analysis and displays it or the image on a screen 48.
  • the raw or partially processed image information can the be transmitted or a USB link 50 or by wi-fi, Bluetooth, or other technologies to a computer 52 for more robust processing as described below and in the art.
  • Computer can have I?O connections 54 to printers, displays or the WEB 56 Electrical connections may be via the faces 14 and 16 in areas 26 as shown in contacts or via contacts 62 on the wings 24 and mating surfaces 64 within head 10 as shown in Fig. 4.
  • Dot analysis area, 1. High lens magnification diameter, perimeter, box with low distortion and ratio, circularity. arreation .
  • Line edge uniformity 2.
  • Low distortion with analysis blue, rag, width
  • transmitter light e.g. adjustable focus through a semi transparent material
  • Another application is for distinctness of image analysis which requires imaging a knife edge onto a printing paper to see how diffuse the paper or other substrate is as a measure of its printability.
  • a LL housing for this application is illustrated at Fig. 5 in which the light source 70 is a projected laser or other beam that has a sharp light to dark transition.
  • the integral of that light pattern 74 is shown in Fig. 6a as a distribution 76 having a sharp peak 78.
  • a very soft or fuzzy surface paper will have a correspondingly indistinct image 80 as shown in Fig. 6b with a broad distribution 82 and spread peak 84.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

L'invention concerne une loupe électronique comportant une partie électronique de récepteur / traitement / communication et des parties interchangeables d'éclairage / lentilles.
PCT/US2007/010095 2006-04-25 2007-04-25 système d'analyse d'images avec fonctionnalités interchangeables WO2007127284A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79469706P 2006-04-25 2006-04-25
US60/794,697 2006-04-25

Publications (2)

Publication Number Publication Date
WO2007127284A2 true WO2007127284A2 (fr) 2007-11-08
WO2007127284A3 WO2007127284A3 (fr) 2008-08-07

Family

ID=38656168

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/010095 WO2007127284A2 (fr) 2006-04-25 2007-04-25 système d'analyse d'images avec fonctionnalités interchangeables

Country Status (1)

Country Link
WO (1) WO2007127284A2 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4623797A (en) * 1983-06-27 1986-11-18 Mts Vektronics Corporation Event scanning
US6202930B1 (en) * 1997-05-12 2001-03-20 George A. Plesko Low power pen shaped and wearable scan systems with ergonomic actuation
US20040158300A1 (en) * 2001-06-26 2004-08-12 Allan Gardiner Multiple wavelength illuminator having multiple clocked sources
US6886964B2 (en) * 2001-06-26 2005-05-03 Allan Gardiner Illuminator with filter array and bandwidth controller
US20050199725A1 (en) * 2004-03-11 2005-09-15 Pierre Craen Optical adjustment for increased working range and performance in electro-optical readers

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4623797A (en) * 1983-06-27 1986-11-18 Mts Vektronics Corporation Event scanning
US6202930B1 (en) * 1997-05-12 2001-03-20 George A. Plesko Low power pen shaped and wearable scan systems with ergonomic actuation
US20040158300A1 (en) * 2001-06-26 2004-08-12 Allan Gardiner Multiple wavelength illuminator having multiple clocked sources
US6886964B2 (en) * 2001-06-26 2005-05-03 Allan Gardiner Illuminator with filter array and bandwidth controller
US20050199725A1 (en) * 2004-03-11 2005-09-15 Pierre Craen Optical adjustment for increased working range and performance in electro-optical readers

Also Published As

Publication number Publication date
WO2007127284A3 (fr) 2008-08-07

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