GB1400471A - Apparatus for automatic computation of cardiothoracic ratio - Google Patents

Apparatus for automatic computation of cardiothoracic ratio

Info

Publication number
GB1400471A
GB1400471A GB4071272A GB4071272A GB1400471A GB 1400471 A GB1400471 A GB 1400471A GB 4071272 A GB4071272 A GB 4071272A GB 4071272 A GB4071272 A GB 4071272A GB 1400471 A GB1400471 A GB 1400471A
Authority
GB
United Kingdom
Prior art keywords
scan
image
ray
lines
cardiothoracic ratio
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
GB4071272A
Other languages
English (en)
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
Publication of GB1400471A publication Critical patent/GB1400471A/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—Measuring 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 OR CALCULATING; 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 OR CALCULATING; 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 OR CALCULATING; 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)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • General Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Molecular Biology (AREA)
  • Immunology (AREA)
  • Geometry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Cardiology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biochemistry (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Input (AREA)
  • Length Measuring Devices By Optical Means (AREA)
GB4071272A 1971-09-03 1972-09-01 Apparatus for automatic computation of cardiothoracic ratio Expired GB1400471A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1400471A true GB1400471A (en) 1975-07-16

Family

ID=13373337

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4071272A Expired GB1400471A (en) 1971-09-03 1972-09-01 Apparatus for automatic computation of cardiothoracic ratio

Country Status (7)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2367477A1 (fr) * 1976-10-15 1978-05-12 Optische Ind De Oude Delft Nv Appareil de lecture et de traitement d'informations relatives notamment a des images de tomograph
EP0063316A1 (en) * 1981-04-08 1982-10-27 Fuji Photo Film Co., Ltd. Method of and apparatus for reading out image information

Families Citing this family (14)

* 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
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
US4399457A (en) * 1981-06-08 1983-08-16 General Electric Company X-Ray image digital subtraction system
JPS5876712A (ja) * 1981-10-31 1983-05-09 Shimadzu Corp Ｘ線検査装置
JPH02134148A (ja) * 1988-11-16 1990-05-23 Toshiba Corp 心機能解析のための画像処理方法
JP2729825B2 (ja) * 1989-01-25 1998-03-18 株式会社日立メデイコ 実時間デジタルラジオグラフィ装置
ES2087824B1 (es) * 1994-09-16 1997-02-16 Duque Rafael Aparicio Dispositivo perfeccionado para la determinacion rapida del indice cardiotoracico mediante banda graduada de material elastico.
FR2790657B1 (fr) * 1999-03-12 2001-08-03 Iodp Procede de mesure de l'epaisseur d'un muscle a partir d'une image
CN101502420B (zh) * 2008-02-05 2013-05-22 Ge医疗系统环球技术有限公司 图像处理方法和设备
JP6082337B2 (ja) * 2013-10-30 2017-02-15 横河電機株式会社 心胸郭比算出装置
CN104732520A (zh) * 2015-01-31 2015-06-24 西安华海盈泰医疗信息技术有限公司 一种胸部数字影像的心胸比测量算法及系统

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2367477A1 (fr) * 1976-10-15 1978-05-12 Optische Ind De Oude Delft Nv Appareil de lecture et de traitement d'informations relatives notamment a des images de tomograph
EP0063316A1 (en) * 1981-04-08 1982-10-27 Fuji Photo Film Co., Ltd. Method of and apparatus for reading out image information

Also Published As

Publication number Publication date
CA979074A (en) 1975-12-02
US3869602A (en) 1975-03-04
FR2152055A5 (enrdf_load_stackoverflow) 1973-04-20
DE2243449B2 (de) 1975-08-14
NL7211930A (enrdf_load_stackoverflow) 1973-03-06
JPS5116091B2 (enrdf_load_stackoverflow) 1976-05-21
JPS4834452A (enrdf_load_stackoverflow) 1973-05-18
DE2243449A1 (de) 1973-03-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee