ATE169808T1 - Verfahren und gerät zur knochen-messung - Google Patents

Verfahren und gerät zur knochen-messung

Info

Publication number
ATE169808T1
ATE169808T1 AT93304313T AT93304313T ATE169808T1 AT E169808 T1 ATE169808 T1 AT E169808T1 AT 93304313 T AT93304313 T AT 93304313T AT 93304313 T AT93304313 T AT 93304313T AT E169808 T1 ATE169808 T1 AT E169808T1
Authority
AT
Austria
Prior art keywords
light
picture
thickness portion
ray
transmits
Prior art date
Application number
AT93304313T
Other languages
English (en)
Inventor
Makoto Yoshida
Yasuki Hanaoka
Kenji Morimoto
Hitoshi Nakamura
Takayuki Ishizaki
Original Assignee
Teijin 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
Priority claimed from JP4144235A external-priority patent/JP2763449B2/ja
Priority claimed from JP4216109A external-priority patent/JP2768872B2/ja
Application filed by Teijin Ltd filed Critical Teijin Ltd
Application granted granted Critical
Publication of ATE169808T1 publication Critical patent/ATE169808T1/de

Links

Classifications

    • 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
    • A61B6/505—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 bone
    • 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
    • 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
    • G06T2207/30008—Bone

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • General Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Geometry (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Theoretical Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
AT93304313T 1992-06-04 1993-06-03 Verfahren und gerät zur knochen-messung ATE169808T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4144235A JP2763449B2 (ja) 1992-06-04 1992-06-04 骨計測方法及び装置
JP4216109A JP2768872B2 (ja) 1992-08-13 1992-08-13 画像読み取り方法及び装置

Publications (1)

Publication Number Publication Date
ATE169808T1 true ATE169808T1 (de) 1998-09-15

Family

ID=26475715

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93304313T ATE169808T1 (de) 1992-06-04 1993-06-03 Verfahren und gerät zur knochen-messung

Country Status (4)

Country Link
US (1) US5426709A (de)
EP (1) EP0574183B1 (de)
AT (1) ATE169808T1 (de)
DE (1) DE69320418T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69422130T2 (de) * 1993-04-23 2000-07-20 Teijin Ltd., Osaka Osteometrie und osteometrische vorrichtung
US5623139A (en) * 1994-08-05 1997-04-22 Photoelectron Corporation CCD X-ray microdensitometer system
DE69513300T2 (de) * 1994-08-29 2000-03-23 Torsana A/S, Skodsborg Bestimmungsverfahren
DE9421296U1 (de) * 1994-10-17 1996-02-22 Kovacs, Sandor, 81377 München Röntgenaufnahmegerät
CA2201057C (en) * 1996-03-29 2002-01-01 Kenji Morimoto A method of processing a sectional image of a sample bone including a cortical bone portion and a cancellous bone portion
US6226398B1 (en) * 1996-12-04 2001-05-01 Minolta-Qms, Inc. Method and apparatus for reformatting a high resolution image file for printing on a lower resolution printer
US6064716A (en) * 1997-09-05 2000-05-16 Cyberlogic, Inc. Plain x-ray bone densitometry apparatus and method
US5917877A (en) * 1997-09-05 1999-06-29 Cyberlogic, Inc. Plain x-ray bone densitometry apparatus and method
US6711282B1 (en) * 1999-10-29 2004-03-23 Compumed, Inc. Method for automatically segmenting a target bone from a digital image
US6246745B1 (en) * 1999-10-29 2001-06-12 Compumed, Inc. Method and apparatus for determining bone mineral density
US6173038B1 (en) 1999-12-01 2001-01-09 Cyberlogic, Inc. Plain x-ray bone densitometry apparatus and method
US6510197B1 (en) 2000-01-11 2003-01-21 Alara, Inc. Method and apparatus for osteoporosis screening
US6249692B1 (en) 2000-08-17 2001-06-19 The Research Foundation Of City University Of New York Method for diagnosis and management of osteoporosis
US6570955B1 (en) 2002-01-08 2003-05-27 Cyberlogic, Inc. Digital x-ray material testing and bone densitometry apparatus and method
US20030137702A1 (en) * 2002-01-22 2003-07-24 Richard Gerlach Light distribution system for scanning radiographic images
ITBO20020439A1 (it) * 2002-07-05 2004-01-05 Cefla Coop Gruppo di strumentazione integrato per un riunito odontoiatrico
US20040120563A1 (en) * 2002-12-20 2004-06-24 Eastman Kodak Company Incorporation of a density target with dental films to facilitate subtractive radiography
JP4328586B2 (ja) * 2003-09-02 2009-09-09 キヤノン株式会社 放射線画像連結処理方法、放射線画像連結処理装置、コンピュータプログラム及びコンピュータ読み取り可能な記録媒体

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61109557A (ja) * 1984-11-02 1986-05-28 帝人株式会社 骨のｘ線写真像の評価方法
EP0228785B1 (de) * 1985-11-11 1993-01-13 Teijin Limited Verfahren zur Beurteilung von Knochen
US4870694A (en) * 1987-03-24 1989-09-26 Fuji Photo Film Co., Ltd. Method of determining orientation of image
JP2613049B2 (ja) * 1987-03-31 1997-05-21 富士写真フイルム株式会社 放射線照射野認識方法
US4951201A (en) * 1987-04-20 1990-08-21 Fuji Photo Film Co., Ltd. Method of automatically determining imaged body posture in medical image display
EP0411155B1 (de) * 1989-02-23 1997-05-02 Teijin Limited Verfahren zum messen einer knochenform, vorrichtung dafür sowie system zur knochenevaluation
JPH0349A (ja) * 1989-05-29 1991-01-07 Teijin Ltd 骨計測方法及び装置
JPH03272753A (ja) * 1990-02-05 1991-12-04 Teijin Ltd 骨計測方法及び装置
JP2802962B2 (ja) * 1990-05-25 1998-09-24 旭光学工業株式会社 撮像素子駆動装置
JPH04174650A (ja) * 1990-11-08 1992-06-22 Teijin Ltd 骨計測方法及び装置

Also Published As

Publication number Publication date
EP0574183B1 (de) 1998-08-19
DE69320418T2 (de) 1999-01-07
DE69320418D1 (de) 1998-09-24
US5426709A (en) 1995-06-20
EP0574183A1 (de) 1993-12-15

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties