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Segmentation and registration of multimodal images using physiological data

A technology in images and images, applied in the field of anatomical imaging and electroanatomical drawing, it can solve the problem of time-consuming, and achieve the effect of high accuracy and fast speed

Inactive Publication Date: 2007-06-20
BIOSENSE WEBSTER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This technique usually requires the system operator to spend time finding and marking the locations required for registration in addition to the operations performed by the mapping process itself

Method used

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  • Segmentation and registration of multimodal images using physiological data
  • Segmentation and registration of multimodal images using physiological data
  • Segmentation and registration of multimodal images using physiological data

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Embodiment Construction

[0033] In the following description, numerous specific details are given in order to provide a thorough understanding of the present invention. It will be apparent, however, to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, details of well-known circuits, control logic and computer program instructions for conventional algorithms and processes have not been shown in detail in order to clearly understand the present invention.

[0034]The software program code implementing the present invention is typically stored in a persistent storage such as a computer readable medium. In a client-server environment, such software program code can be stored on either the client or the server. The software program code can be contained on any of the well-known media used by a data processing system. Such media include, but are not limited to, magnetic and optical storage devices such as disk drives, magnetic ...

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Abstract

Systems and methods are provided for registering maps with images, involving segmentation of three-dimensional images and registration of images with an electro-anatomical map using physiological or functional information in the maps and the images, rather than using only location information. A typical application of the invention involves registration of an electro-anatomical map of the heart with a preacquired or real-time three-dimensional image. Features such as scar tissue in the heart, which typically exhibits lower voltage than healthy tissue in the electro-anatomical map, can be localized and accurately delineated on the three-dimensional image and map.

Description

technical field [0001] The present invention relates to anatomical imaging and electroanatomical mapping. More particularly, the invention relates to the simultaneous display of cardiac images and electroanatomical maps acquired by different modalities. Background technique [0002] Methods for three-dimensional geometric mapping and rendering of the endocardial surface are known in the art. For example, US Patent No. 5,738,096, which is hereby incorporated by reference, describes a method for mapping the endocardium based on touching a probe to multiple locations, such as on a wall, and determining the positional coordinates of the probe at each location. These position coordinates are combined to form a map of at least a portion of the heart. [0003] It is currently known to perform ultrasound imaging using a bridging catheter together with position detection. Such devices are disclosed, for example, in commonly assigned US Patent Nos. 6,690,963, 6,716,166, and 6,773,4...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B10/00A61B5/05A61B5/0402A61B8/00A61B6/03A61B5/00A61B5/01A61B5/296A61B8/06A61B8/08A61B8/12
CPCA61B6/541A61B8/4488G06T5/50A61B5/0422A61B5/0538G06T2207/10132A61B6/5247G06T7/0024A61B5/06A61B8/543G06K9/00A61B8/5238G06T2207/30048A61B6/12G06K2209/05A61B8/12G06T7/30A61B5/062A61B5/063A61B5/287G06V2201/03G06T15/00A61B5/00
Inventor A·普赖斯Y·施瓦茨
Owner BIOSENSE WEBSTER INC
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