Axial tomography and three dimensional image reconstruction

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A number of existing $gamma$ cameras for imaging of radioisotope distributions give depth information about the distribution. These devices have in common that they provide tomographic images of the object, that is, that images of a given object plane have that plane in focus and all other object planes contribute an out-of-focus background superimposed on the in-focus image. A method is described for three dimensional reconstruction of these axial tomographic images which removes the blurred off-plane activity from a number of transverse planes simultaneously. The method is applicable to a number of tomographic cameras, such as the multiple single-pinhole camera, ... continued below

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8 p.

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Chang, L.T.; Macdonald, B. & Perez-Mendez, V. November 1, 1975.

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A number of existing $gamma$ cameras for imaging of radioisotope distributions give depth information about the distribution. These devices have in common that they provide tomographic images of the object, that is, that images of a given object plane have that plane in focus and all other object planes contribute an out-of-focus background superimposed on the in-focus image. A method is described for three dimensional reconstruction of these axial tomographic images which removes the blurred off-plane activity from a number of transverse planes simultaneously. The method is applicable to a number of tomographic cameras, such as the multiple single-pinhole camera, the rotating slanted-hole collimator, the Anger focussing tomographic scanner, and the positron camera. The method can be implemented on a small computer having a disc system. (auth)

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8 p.

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Dep. NTIS

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  • Nuclear science symposium, San Francisco, California, USA, 17 Nov 1975

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  • Report No.: LBL--3872
  • Report No.: CONF-751116--20
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 4115797
  • Archival Resource Key: ark:/67531/metadc865869

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Office of Scientific & Technical Information Technical Reports

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  • November 1, 1975

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  • Sept. 16, 2016, 12:32 a.m.

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  • Oct. 11, 2017, 2:34 p.m.

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Chang, L.T.; Macdonald, B. & Perez-Mendez, V. Axial tomography and three dimensional image reconstruction, article, November 1, 1975; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc865869/: accessed October 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.