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Method and apparatus for motion correcting medical images

An image, in-image technology, used in radiological diagnostic instruments, image enhancement, image analysis, etc., to solve problems such as image artifacts

Inactive Publication Date: 2013-12-04
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, because PET data may be acquired over a period of several minutes, the patient typically takes several breaths during the PET acquisition, potentially causing image artifacts

Method used

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  • Method and apparatus for motion correcting medical images
  • Method and apparatus for motion correcting medical images
  • Method and apparatus for motion correcting medical images

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Embodiment Construction

[0036] When read in conjunction with the accompanying drawings, a better understanding of the foregoing invention content and the detailed description of various embodiments below will be provided. As far as the drawings illustrate schematic diagrams of functional blocks of various embodiments, these functional blocks do not necessarily represent the division between hardware circuits. Therefore, for example, one or more of these functional blocks (for example, a processor or a memory) can be implemented in a single piece of hardware (for example, a general-purpose signal processor or random access memory block, a hard disk, etc.) or multiple pieces of hardware . Similarly, the program may be a program that runs independently, may be incorporated into the operating system as a subroutine program, may be a function in an installed software package, and so on. It should be understood that these various embodiments are not limited to the arrangements and implementations shown in ...

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Abstract

A method for reducing, in an image, motion related imaging artifacts. The method includes obtaining a single image of a subject using a computed tomography (CT) imaging system, obtaining a plurality of images of the subject using a positron emission tomography (PET) imaging system, generating a plurality of consistency values, and utilizing the plurality of consistency values to register the CT image and the plurality of PET images.

Description

[0001] Technology [0002] The inventive subject matter disclosed herein relates generally to imaging systems, and more specifically to devices and methods for motion corrected medical images. Background technique [0003] Multimodal imaging systems use different modalities, such as computer tomography (CT) and positron emission tomography (PET) imaging for scanning. During operation, the image quality may be affected by the movement of the object being imaged. More precisely, object movement during image acquisition produces image artifacts. Respiratory motion is a common source of unconscious motion in mammals (eg, humans and animals) encountered in medical imaging systems. Breathing motion may cause errors during image review, such as the doctor's error in determining the size of the lesion, determining the location of the lesion, or quantifying the lesion. [0004] Moreover, in a multi-modal system, such as an integrated PET / CT system, PET and CT images should be registered wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/03
CPCA61B6/5235A61B6/037G06T7/0012A61B6/5264G06T7/0024A61B6/032G06T2207/10016G06T2207/10081G06T2207/10104G06T7/33
Inventor S·D·沃伦韦伯A·阿勒西奥
Owner GENERAL ELECTRIC CO
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