Integrated image registration for cardiac nuclear magnetic resonance data perfusion
A magnetic resonance and imaging technology, which is applied in the directions of using the nuclear magnetic resonance imaging system for measurement, magnetic resonance measurement, and image data processing, and can solve problems such as difficulty in segmenting the endocardium.
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[0017] Detailed Description of Preferred Embodiments
[0018] The present disclosure provides a comprehensive image registration algorithm for segmenting cardiac muscle or myocardium ("MC"). A sequence of magnetic resonance ("MR") images of the heart is acquired after contrast agent injection. Analysis of the perfusion of contrast media into the myocardium requires segmentation of the MCs in each acquired image. This segmentation task is particularly difficult due to the rapidly changing contrast in the imagery. Thus, the present disclosure provides an information registration framework that integrates two channels of information, pixel intensity and local gradient information, to reliably and accurately segment the myocardium.
[0019] FIG. 1 shows a block diagram of a system 100 for comprehensive image registration using cardiac magnetic resonance perfusion data, in accordance with an illustrative embodiment of the disclosure. System 100 includes at least one processor or...
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