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Method and system for improved image segmentation

A technique for images, image elements, used in the field of improved image segmentation and systems

Inactive Publication Date: 2011-02-09
TOMOTHERAPY INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Segmentation classifies each element as one of four different substances in the human body

Method used

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  • Method and system for improved image segmentation
  • Method and system for improved image segmentation
  • Method and system for improved image segmentation

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Embodiment Construction

[0037] Before any embodiments of the invention are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of parts set forth in the following description or illustrated in the following drawings. The invention is capable of other embodiments and of being practiced or carried out in various ways. It is also to be understood that the phraseology and terminology used herein are for the purpose of description and should not be regarded as limiting. Herein, the use of "comprising", "comprising" or "having" and variations thereof means including the items listed thereafter and equivalents thereof as well as additional items. Unless otherwise stated or limited, the terms "mount", "connect", "support" and "couple" and variations thereof are used broadly and include directly and indirectly mounted, connected, supported and coupled. Additionally, "connected" and "coupled" are not limited to phy...

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Abstract

A system and method of identifying anatomical structures in a patient. The method includes the acts of acquiring an image of the patient, the image including a set of image elements; segmenting the image to categorize each image elements according to its substance; computing the probability that the categorization of each image element is correct; resegmenting the image starting with image elements that have a high probability and progressing to image elements with lower probabilities; aligning at least one of the image elements with an anatomical atlas; and fitting the anatomical atlas to the segmented image.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Patent Application No. 61 / 033,574, filed March 4, 2008, entitled "METHODS FOR IMPROVED IMAGE SEGMENTATION," which is hereby incorporated by reference in its entirety. Background technique [0003] Over the past decade, improvements in computers and networks, radiation treatment planning software, and medical imaging modalities (CT, MRI, US, and PET) have been introduced into radiation therapy practice. These improvements led to the development of image-guided radiation therapy ("IGRT"). IGRT is radiation therapy that uses cross-sectional images of the patient's internal anatomy to better target the radiation dose within the tumor while reducing radiation exposure to healthy organs. The radiation dose delivered to the tumor is controlled using intensity modulated radiation therapy ("IMRT"), which involves changing the size, shape and intensity of the radiation beam to ma...

Claims

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Application Information

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IPC IPC(8): G05F1/00A61B6/00A61N5/00A61B5/055
CPCG06T2207/10081G06T2207/30004G06T7/0081G06T2207/20128G06T7/0097G06T7/0087G06T7/11G06T7/143G06T7/174
Inventor 肯尼斯·J·卢卡拉戴维·T·盖林
Owner TOMOTHERAPY INC
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