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Reconstruction of flow data

A data set and image data technology, which is applied to the details of 3D image data, image data processing, projection reproduction, etc., can solve problems such as failure

Active Publication Date: 2018-04-06
SIEMENS HEALTHCARE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While 2D methods have been widely discussed, they are challenged by overlapping vasculature and typically fail in the presence of implants

Method used

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  • Reconstruction of flow data
  • Reconstruction of flow data
  • Reconstruction of flow data

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Embodiment Construction

[0016] In the following description, numerous specific details are set forth, such as examples of specific components, devices, methods, etc., in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that these specific details are not required to practice an embodiment of the invention. In other instances, well-known materials or methods have not been described in detail in order to avoid unnecessarily obscuring embodiments of the invention. While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown in the drawings as examples and will be described in detail herein. It should be understood, however, that there is no intention to limit the invention to the particular forms disclosed, but on the contrary, the invention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

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Abstract

Described herein are technologies for facilitating reconstruction of flow data. In accordance with one aspect, the framework receives a four-dimensional projection image dataset and registers one or more pairs of temporally adjacent projection images in the image dataset. Two-dimensional flow maps may be determined based on the registered pairs. The framework may then sort the two-dimensional flowmaps according to heart phases, and reconstruct a three-dimensional flow map based on the sorted two-dimensional flow maps.

Description

technical field [0001] The present disclosure generally relates to automated or partially automated reconstruction of streaming data. Background technique [0002] Angiography is a common method for representing blood vessels based on diagnostic imaging methods. For improved representation of blood vessels under x-ray examination, digital subtraction angiography (DSA) has been developed. DSA is an x-ray technique used in interventional radiology to clearly visualize vasculature in bone or dense soft tissue environments. Images are produced by subtracting a "pre-enhancement image" or mask from subsequent images after the contrast agent has been introduced into the structure or tissue of interest. These images can be used to provide time-resolved or time-varying information showing the movement of structures or tissues of interest over time. [0003] Deriving flow information from angiographic images has been an object of interest for a considerable time. Current technique...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T11/00G06T7/38
CPCG06T7/38G06T11/005G06T11/006G06T2211/424G06T2211/404G06T2211/412G06T2211/436G06T2207/30101A61B6/481A61B6/486A61B6/501A61B6/503A61B6/504A61B6/507A61B6/5205A61B6/5235A61B6/5288G06T7/0016G06T11/003G06T2207/10116G06T2207/30104G06T2207/10016A61B6/032A61B6/037G06T11/008G06T2200/04G06T2211/432
Inventor S.沙弗S.格里施M.科瓦施克C.罗科尔K.罗亚蒂
Owner SIEMENS HEALTHCARE GMBH