JPS5773461A - Picture processing unit of computed tomography - Google Patents

Picture processing unit of computed tomography

Info

Publication number
JPS5773461A
JPS5773461A JP55150306A JP15030680A JPS5773461A JP S5773461 A JPS5773461 A JP S5773461A JP 55150306 A JP55150306 A JP 55150306A JP 15030680 A JP15030680 A JP 15030680A JP S5773461 A JPS5773461 A JP S5773461A
Authority
JP
Japan
Prior art keywords
data
memory
computed tomography
picture
sent
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.)
Pending
Application number
JP55150306A
Other languages
Japanese (ja)
Inventor
Michitaka Sugawara
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP55150306A priority Critical patent/JPS5773461A/en
Publication of JPS5773461A publication Critical patent/JPS5773461A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)

Abstract

PURPOSE:To form effective outlines by extracting and controlled only the high space frequency components of computed tomography (CT) picture information. CONSTITUTION:A computer 1 sends the original picture data Q of a computed tomography (CT) picture to the 1st memory 2 to store the data Q in the memory 2. The data Q read out from the memory 2 are sent to a smoothing device 4 to perform smoothing processing. The difference between the smoothed picture data R and the data Q sent through a data reading part 3 is found by a subtracting device 5 and the differential picture data are sent to the 2nd memory 6. The data S stored in the memory 6 are inputted in the computer 1 again abd displayed by a display unit.
JP55150306A 1980-10-27 1980-10-27 Picture processing unit of computed tomography Pending JPS5773461A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55150306A JPS5773461A (en) 1980-10-27 1980-10-27 Picture processing unit of computed tomography

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55150306A JPS5773461A (en) 1980-10-27 1980-10-27 Picture processing unit of computed tomography

Publications (1)

Publication Number Publication Date
JPS5773461A true JPS5773461A (en) 1982-05-08

Family

ID=15494116

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55150306A Pending JPS5773461A (en) 1980-10-27 1980-10-27 Picture processing unit of computed tomography

Country Status (1)

Country Link
JP (1) JPS5773461A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59149555A (en) * 1983-02-15 1984-08-27 Toshiba Corp Picture reprocessing device
JPH01221142A (en) * 1988-02-29 1989-09-04 Shimadzu Corp X-ray image treating device
WO2009051053A1 (en) * 2007-10-18 2009-04-23 Hitachi Medical Corporation Radiation camera system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59149555A (en) * 1983-02-15 1984-08-27 Toshiba Corp Picture reprocessing device
JPH01221142A (en) * 1988-02-29 1989-09-04 Shimadzu Corp X-ray image treating device
WO2009051053A1 (en) * 2007-10-18 2009-04-23 Hitachi Medical Corporation Radiation camera system
JPWO2009051053A1 (en) * 2007-10-18 2011-03-03 株式会社日立メディコ Radiation camera system

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