Image registration method and device, equipment and readable storage medium
An image registration and registration technology, applied in the field of medical image analysis, can solve problems such as poor image registration effect and unsatisfactory image effect.
Active Publication Date: 2021-12-17
数坤(北京)网络科技股份有限公司
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[0004] The embodiment of the present invention provides an image registration method, device, equipment and readable storage medium to solve the problem of existing medical image registration methods The registration effect of images with large deformation is not good, and the registration image effect is not ideal.
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[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.
[0026] An embodiment of the present invention provides an image registration method, such as figure 1 shown, including:
[0027] S101. Acquire a first reference image sequence and a first image sequence to be registered; specifically, the first reference image sequence and the first image sequence to be registered are image data of lesion tissue of the same ...
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The invention discloses an image registration method and device, equipment and a readable storage medium. The method comprises the steps of obtaining a first reference image sequence and a first to-be-registered image sequence; performing tissue image extraction on the first reference image sequence and the first to-be-registered image sequence to obtain a corresponding second reference image sequence and a second to-be-registered image sequence; respectively dividing the second reference image sequence and the second to-be-registered image sequence into n parts in a preset direction, wherein n is greater than or equal to 1; and registering the first reference image sequence and the first to-be-registered image sequence according to each second reference image sequence and the second to-be-registered image sequence. By implementing the method and the device, the registration of the two non-rigid phase images with larger deformation can be realized simply, quickly and accurately.
Description
technical field [0001] The present application relates to the field of medical image analysis, in particular to an image registration method, device, equipment and readable storage medium. Background technique [0002] When analyzing medical images, it is often necessary to compare and analyze multiple images of the lesion tissue of the same patient at different periods, so as to obtain dynamic information such as the degree of lesion of the patient's lesion. When doing quantitative comparative analysis of different images, image registration is first required. [0003] In the prior art, the registration of medical images usually adopts the demons algorithm, which is a fully automatic non-rigid registration method based on grayscale information. Specifically, the algorithm uses the gray gradient information of the reference image to determine the movement of each pixel of the floating image. At the same time, Gaussian filtering is used to smooth the offset obtained by regul...
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Login to View More IPC IPC(8): G06T7/30
CPCG06T7/30G06T2207/10016G06T2207/30096G06T2207/20081
Inventor 肖月庭阳光郑超宋贺
Owner 数坤(北京)网络科技股份有限公司