Method and system for correction of lung density variation in positron emission tomography using magnetic resonance imaging

US8942445B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8942445-B2
Application numberUS-201213618079-A
CountryUS
Kind codeB2
Filing dateSep 14, 2012
Priority dateSep 14, 2012
Publication dateJan 27, 2015
Grant dateJan 27, 2015

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Abstract

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Exemplary embodiments of the present disclosure are directed to correcting lung density variations in positron emission tomography (PET) images of a subject using a magnetic resonance (MR) image. A pulmonary vasculature and an outer extent of a lung cavity can be identified in a MR image corresponding to a thoracic region of the subject in response to an intensity associated with pixels in the MR image. The pixels within the outer extent of the lung cavity are classified as corresponding to the pulmonary vasculature or the lung tissue. Exemplary embodiments of the present disclosure can apply attenuation coefficients to a reconstruction of the PET image based on the classification of the pixels within the outer extent of the lung cavity.

First claim

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The invention claimed is: 1. A method of correcting lung density variations in a positron emission tomography (PET) image of a subject comprising: identifying at least an outer extent of a lung cavity in a magnetic resonance (MR) image corresponding to a thoracic region of the subject in response to an intensity associated with pixels forming the MR image, the MR image corresponding to the PET image of the thoracic region of the subject; classifying each pixel within the outer e…

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What does patent US8942445B2 cover?
Exemplary embodiments of the present disclosure are directed to correcting lung density variations in positron emission tomography (PET) images of a subject using a magnetic resonance (MR) image. A pulmonary vasculature and an outer extent of a lung cavity can be identified in a MR image corresponding to a thoracic region of the subject in response to an intensity associated with pixels in the …
Who is the assignee on this patent?
Foo Thomas Kwok-Fah, Hardy Christopher Judson, Lonn Albert Henry Roger, and 4 more
What technology area does this patent fall under?
Primary CPC classification G06T12/30. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Jan 27 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).