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Method for depicting an object displayed in a volume data set

A three-dimensional data, three-dimensional technology, applied in image data processing, data processing applications, 3D image processing and other directions, can solve problems such as weak structure and insufficient display, and achieve the effect of improving display

Inactive Publication Date: 2010-01-20
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, these known methods have the disadvantage of underrepresenting relatively weak structures, especially when the volume dataset is large
Another disadvantage of the known method is that only the entire 3D block can be displayed in a fixed relationship, respectively

Method used

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  • Method for depicting an object displayed in a volume data set
  • Method for depicting an object displayed in a volume data set
  • Method for depicting an object displayed in a volume data set

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Embodiment Construction

[0033] figure 1 Schematically shows a computed tomography apparatus with an x-ray radiation source 1 from which a conical x-ray radiation beam 2 emerges, the edges of which are at figure 1 Indicated by dotted lines in , the X-ray radiation beam passes through the examination object (for example the patient 3 ) and falls on the radiation detector 4 . In this embodiment, the X-ray radiation source 1 and the radiation detector 4 are arranged opposite each other on an annular support 5 . The bracket 5 is rotatably supported about the system axis 6 at figure 1 On a support device not shown in (see arrow a), the system shaft 6 passes through the center of the ring support 5 .

[0034]The patient 3 lies in the present embodiment on a couch 7 which is transparent to the X-ray beam, the latter being figure 1 A support device, also not shown, is mounted translatably along the system axis 6 (see arrow b).

[0035] Thus, the x-ray radiation source 1 and the radiation detector 4 form a...

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Abstract

The invention relates to a method for depicting an object (3) displayed in a first volume data set (20). A second volume data set (30) is firstly produced by modulating, according to depth, the volume elements (23) of the first volume data set (20) along a main viewing direction (22) that passes into the first volume data set (20). Afterwards, the second volume data set undergoes a volume rendering.

Description

technical field [0001] The invention relates to a method for displaying an object imaged in a volume data set. Background technique [0002] In particular, the images recorded with modern imaging medical devices have a relatively high resolution, so that they can be used to generate 3D photographs (volume data sets) in an enlarged manner. Imaging medical technology devices are, for example, ultrasound, computed tomography, magnetic resonance or X-ray devices or PET scanners. In addition, computed tomography (CT) or X-ray equipment is often used because the radiation burden imposed on the living body during examination with this equipment is small. However, the volume of the stereoscopic data set is larger than that of the image data set of the traditional two-dimensional image, so the analysis of the stereoscopic data set is relatively time-consuming. Currently, the actual shooting of a stereo dataset takes about half a minute, and searching and processing the stereo datas...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T15/20G06T15/60G06T15/50G06T15/08
CPCG06T2210/62G06T15/08G06T15/503
Inventor 卡尔·巴思
Owner SIEMENS AG