Medical lung MRI image segmentation method based on adaptive contour model, and MRI equipment
A contour model and image segmentation technology, applied in the field of MRI equipment and lung tumor segmentation, which can solve the problems of complex background and high misjudgment rate
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[0060] The present invention will be further explained below in conjunction with the drawings.
[0061] In the embodiment of the present invention, a magnetic resonance imaging device based on multiple receiving coils includes: a main magnet system, a gradient magnetic field system, a radio frequency system, and a computing and image processing system.
[0062] 1. Main magnet system
[0063] The main technical requirements of MRI equipment for the main magnet are as follows: (1) A large magnetic field working space, a particularly uniform part (sample area) in the working area of the magnet should be able to contain the inspected part of the human body. (2) The highly uniform sample area can quickly establish and eliminate the gradient field. (3) Magnetic field stability. The properties of permanent magnetic materials vary greatly with temperature, so the field it excites also changes accordingly, which is manifested as fluctuations in magnetic induction intensity, which will also...
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