CA979074A - Apparatus for automatic computation of cardiothoracic ratio - Google Patents

Apparatus for automatic computation of cardiothoracic ratio

Info

Publication number
CA979074A
CA979074A CA150,809A CA150809A CA979074A CA 979074 A CA979074 A CA 979074A CA 150809 A CA150809 A CA 150809A CA 979074 A CA979074 A CA 979074A
Authority
CA
Canada
Prior art keywords
cardiothoracic ratio
automatic computation
computation
automatic
cardiothoracic
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.)
Expired
Application number
CA150,809A
Other versions
CA150809S (en
Inventor
Nobuhiko Sezaki
Kohji Ukena
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of CA979074A publication Critical patent/CA979074A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/59—Transmissivity
    • G01N21/5907—Densitometers
    • G01N21/5911—Densitometers of the scanning type
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/503—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of the heart
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/60—Analysis of geometric attributes
    • G06T7/62—Analysis of geometric attributes of area, perimeter, diameter or volume
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10116—X-ray image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G06T2207/30048—Heart; Cardiac

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Biophysics (AREA)
  • Cardiology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Theoretical Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Geometry (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Input (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CA150,809A 1971-09-03 1972-09-01 Apparatus for automatic computation of cardiothoracic ratio Expired CA979074A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46068426A JPS5116091B2 (en) 1971-09-03 1971-09-03

Publications (1)

Publication Number Publication Date
CA979074A true CA979074A (en) 1975-12-02

Family

ID=13373337

Family Applications (1)

Application Number Title Priority Date Filing Date
CA150,809A Expired CA979074A (en) 1971-09-03 1972-09-01 Apparatus for automatic computation of cardiothoracic ratio

Country Status (7)

Country Link
US (1) US3869602A (en)
JP (1) JPS5116091B2 (en)
CA (1) CA979074A (en)
DE (1) DE2243449B2 (en)
FR (1) FR2152055A5 (en)
GB (1) GB1400471A (en)
NL (1) NL7211930A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988602A (en) * 1975-02-03 1976-10-26 Goodyear Aerospace Corporation Method and apparatus for enhancing data
NL7611419A (en) * 1976-10-15 1978-04-18 Optische Ind De Oude Delft Nv DEVICE FOR READING AND PROCESSING INFORMATION CONTAINED IN IMAGE FRAMES, SUCH AS FORMED BY IT CONSEQUENTLY FROM MULTIPLE DIRECTIONS WITH A BASICALLY FLAT BEAM OF SHORT-WAVE RADIATION, RADIATION OF AN OBJECT.
US4101961A (en) * 1977-02-16 1978-07-18 Nasa Contour detector and data acquisition system for the left ventricular outline
US4240440A (en) * 1977-11-17 1980-12-23 Siemens Gammasonics, Inc. Method and apparatus for nuclear kymography providing a motion versus time display of the outer transverse dimensions of an organ
JPS5530835A (en) * 1978-08-25 1980-03-04 Takashi Katoda Method of forming heterogeneous junction in semiconductor
US4446365A (en) * 1979-03-22 1984-05-01 University Of Texas System Electrostatic imaging method
JPS57168579A (en) * 1981-04-08 1982-10-16 Fuji Photo Film Co Ltd Method and device for reading of picture information
US4399457A (en) * 1981-06-08 1983-08-16 General Electric Company X-Ray image digital subtraction system
JPS5876712A (en) * 1981-10-31 1983-05-09 Shimadzu Corp X ray checking device
JPH02134148A (en) * 1988-11-16 1990-05-23 Toshiba Corp Heart function analysis method
JP2729825B2 (en) * 1989-01-25 1998-03-18 株式会社日立メデイコ Real-time digital radiography device
ES2087824B1 (en) * 1994-09-16 1997-02-16 Duque Rafael Aparicio PERFECTED DEVICE FOR THE QUICK DETERMINATION OF THE CARDIOTORACICO INDEX THROUGH GRADUATED BAND OF ELASTIC MATERIAL.
FR2790657B1 (en) * 1999-03-12 2001-08-03 Iodp METHOD FOR MEASURING THE THICKNESS OF A MUSCLE FROM AN IMAGE
CN101502420B (en) * 2008-02-05 2013-05-22 Ge医疗系统环球技术有限公司 Image processing method and equipment
JP6082337B2 (en) * 2013-10-30 2017-02-15 横河電機株式会社 Cardiothoracic ratio calculation device
CN104732520A (en) * 2015-01-31 2015-06-24 西安华海盈泰医疗信息技术有限公司 Cardio-thoracic ratio measuring algorithm and system for chest digital image

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3580997A (en) * 1968-07-05 1971-05-25 Balteau Electric Corp Video system for automatic production line inspection by x-ray

Also Published As

Publication number Publication date
GB1400471A (en) 1975-07-16
FR2152055A5 (en) 1973-04-20
NL7211930A (en) 1973-03-06
DE2243449A1 (en) 1973-03-22
US3869602A (en) 1975-03-04
JPS5116091B2 (en) 1976-05-21
DE2243449B2 (en) 1975-08-14
JPS4834452A (en) 1973-05-18

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