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Image processing method and computing system

An imaging processing and composite image technology, applied in the field of visualization, can solve the problem of detecting pulmonary embolism instead of drawing

Active Publication Date: 2020-10-16
KONINKLJIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These methods therefore also produce maps that are not very useful in detecting pulmonary embolism

Method used

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  • Image processing method and computing system
  • Image processing method and computing system
  • Image processing method and computing system

Examples

Experimental program
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Embodiment Construction

[0027] first reference image 3 , schematically illustrates an example imaging system 300, such as a computed tomography (CT) scanner. Imaging system 300 includes a generally stationary gantry 302 and a rotating gantry 304 . A rotating gantry 304 is rotatably supported by the stationary gantry 302 and rotates about an examination region 306 about a longitudinal or z-axis. A subject support 308 , such as a couch, supports a subject in the examination region 306 , for example, before, during and / or after a scan.

[0028] A radiation source 310 such as an X-ray tube is rotatably supported by a swivel mount 304 . Radiation source 310 rotates with rotating gantry 304 and emits radiation through examination region 306 . A one-dimensional or two-dimensional radiation-sensitive detector array 312 subtends an angular arc across the examination region 306 towards the radiation source 310 . The detector array 312 includes multiple rows of detectors extending along the z-axis directio...

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Abstract

One method includes obtaining contrast-enhanced image data having a plurality of voxels, each voxel having an intensity value. The method also includes determining a vascularity value for each voxel. The method also includes determining a low density value for each voxel. The method also includes weighting each of the intensity values ​​by a corresponding vascularity value. The method also includes weighting each of the hypodensity values ​​by the corresponding vascularity value. The method also includes combining the weighted intensity values ​​and the weighted low density values ​​to generate composite image data. The method also includes visually displaying the composite image data.

Description

technical field [0001] The present invention relates generally to visualization of image data, and in particular to visualization of tissue of interest in contrast-enhanced image data, and will be described with particular application to computed tomography (CT). The following also applies to magnetic resonance (MR), ultrasound (US), and / or other three-dimensional (3D) imaging modalities with contrast-enhanced imaging capabilities. Background technique [0002] Computed tomography (CT) scanners include an X-ray tube that emits radiation through an examination region and parts of objects therein. A detector detects radiation passing through the examination region and generates projection data indicative of the detected radiation. A reconstructor reconstructs the projection data and generates volumetric image data indicative of portions of the object in the examination region. The volumetric image data can be processed to generate one or more images of the portion of the obj...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/00G06T7/187
CPCG06T7/0012G06T2207/10072G06T2207/30101G06T7/187G06T7/90A61B8/00G06T5/00G06T7/00G06T7/40G06T19/20H04N1/50H04N1/56H04N1/60H04N13/00G06V10/40G06V10/421G06T15/06G06T15/08G06T2207/10081G06T2210/41G06T2219/2008
Inventor R·维姆科T·克林德T·比洛
Owner KONINKLJIJKE PHILIPS NV