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sinograms and linograms

Italian translation: senogrammi

03:21 Jul 11, 2000
English to Italian translations [PRO]
Medical
English term or phrase: sinograms and linograms
Medicina nucleare, protocollo SPECT generale
Laura
Italian translation:senogrammi
Explanation:
sinogram = senogramma A radiographic depiction of a natural sinus or acquired sinus tract after the introduction of contrast material (Gould-Chiampo)

Per linogram, forse puoi avere quanche indicazioni da questa spiegazione:
The linogram is now a familiar concept to experts in the field of Image Reconstruction from Projections. Linograms were invented by Paul Edholm of Linköping University. The basic idea is that rather than the conventional (f ,s) parameters used to describe the collection of line integrals measured by a scanner ("sinogram" sampling), a special choice of parameters ("linogram" parameters (u,v)) is used, leading to a more convenient and faster backprojection operation. Backprojection is usually the rate determining step in reconstruction algorithms, and this is particularly true when fully three-dimensional (3D) backprojection is required. The planogram is a 3D extension, masterminded by Paul Kinahan of the University of Pittsburgh, of the linogram concept and it is the basis for a novel, fast, and accurate method of performing the time-consuming 3D backprojection needed for 3D PET reconstructions. Improvements in reconstruction times of about 2 orders of magnitude are anticipated for conventional 3D PET geometries, and even more improvement is expected for dual SPECT/PET systems.

Selected response from:

Gabriella Loisi
Local time: 04:25
Grading comment
Grazie, Gabriella!
4 KudoZ points were awarded for this answer



Summary of answers provided
nasenogrammi
Gabriella Loisi


  

Answers


25 mins
senogrammi


Explanation:
sinogram = senogramma A radiographic depiction of a natural sinus or acquired sinus tract after the introduction of contrast material (Gould-Chiampo)

Per linogram, forse puoi avere quanche indicazioni da questa spiegazione:
The linogram is now a familiar concept to experts in the field of Image Reconstruction from Projections. Linograms were invented by Paul Edholm of Linköping University. The basic idea is that rather than the conventional (f ,s) parameters used to describe the collection of line integrals measured by a scanner ("sinogram" sampling), a special choice of parameters ("linogram" parameters (u,v)) is used, leading to a more convenient and faster backprojection operation. Backprojection is usually the rate determining step in reconstruction algorithms, and this is particularly true when fully three-dimensional (3D) backprojection is required. The planogram is a 3D extension, masterminded by Paul Kinahan of the University of Pittsburgh, of the linogram concept and it is the basis for a novel, fast, and accurate method of performing the time-consuming 3D backprojection needed for 3D PET reconstructions. Improvements in reconstruction times of about 2 orders of magnitude are anticipated for conventional 3D PET geometries, and even more improvement is expected for dual SPECT/PET systems.



Gabriella Loisi
Local time: 04:25
Native speaker of: Italian
PRO pts in pair: 223
Grading comment
Grazie, Gabriella!
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