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Quantification of an influence of scattered radiation in tomographic analysis

A tomography, scattered radiation technology, used in image analysis, instruments for radiological diagnosis, diagnosis, etc., can solve problems such as limited accuracy

Pending Publication Date: 2021-04-23
SIEMENS HEALTHCARE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The accuracy of this approach can also be limited because the neural network is not provided with the system-specific information needed for accurate estimation

Method used

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  • Quantification of an influence of scattered radiation in tomographic analysis
  • Quantification of an influence of scattered radiation in tomographic analysis

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0096] exist figure 1 A schematic diagram of an exemplary embodiment of a system for tomographic analysis of an object 2 according to this improved design is shown in .

[0097] The system has a tomography device 1 which can be designed, for example, as a CBCT device. The tomography system 1 is designed in particular as a C-arm CT system.

[0098] The tomography system 1 has a detector 3 which can contain, for example, a two-dimensional array of image points or pixels. The detector 3 can be arranged, for example, at one end of a C-arm 5 of the tomography device 1 .

[0099] The tomography system 1 also has a radiation source 7 , in particular an X-ray source, which can be arranged, for example, at the end of the C-arm 5 opposite the detector 3 .

[0100] The tomography system 1 also has a computing unit 4 which is coupled to the detector 3 and, for example, to the C-arm 5 in order to control the movement of the C-arm 5 . Optionally, the computing unit 4 can also be coupled...

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Abstract

The invention relates to quantification of an influence of scattered radiation in tomography analysis. According to a method for quantifying the effect of scattered radiation in the analysis of an object (2), a projection image (9) is provided. At least one intermediate image (10, 11) is generated on the basis of the projection image (9) and a property (16, 20) of the tomography device (1) and / or the object (2) that is dependent on the influence of the scattered radiation. The at least one intermediate image (10, 11) is analyzed by means of an artificial neural network (12) in order to quantify the effect of the scattered radiation.

Description

technical field [0001] The invention relates to a computer-implemented method for quantifying the influence of scattered radiation in a tomographic analysis of an object, wherein a projection image of the object produced by means of a tomographic device is provided. The invention also relates to a method for tomographic analysis of an object, a computer-implemented method for training a software algorithm, a system for tomographic analysis of an object and a computer program product. Background technique [0002] In the tomographic analysis of objects in medical or non-medical contexts, in particular when X-ray radiation is used, i.e. for example in computed tomography methods or cone beam computed tomography methods, scattered radiation may be present in the resulting image Artifacts are caused, and correspondingly, image quality is degraded. [0003] In order to improve the image quality or reduce scattered radiation artifacts, the distribution of the scattered beam can i...

Claims

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Application Information

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IPC IPC(8): G06T11/00G06N3/04G06N3/08
CPCG06T11/006G06T11/008G06N3/084G06N3/045A61B6/5282A61B6/4441A61B6/0407G06T7/00G06T2207/20084G06T2207/10081G06T2207/20076G06T7/11G06T7/0012G06T2207/30004G06T2207/20081
Inventor M.曼哈特
Owner SIEMENS HEALTHCARE GMBH