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A method for registration and fusion display of multi-modal 3D images

A three-dimensional image and fusion display technology, applied in the field of digital medicine, can solve the problems of inability to apply non-rigid registration, high time cost, low registration accuracy, etc., to improve method efficiency, improve registration accuracy, and enhance fusion effects. Effect

Active Publication Date: 2021-09-21
PEKING UNIV THIRD HOSPITAL
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Problems solved by technology

The invention overcomes the problems of low registration precision and high time cost of multi-modal 3D images in the prior art, and cannot be applied to non-rigid registration, and is easy to operate, low in cost, accurate in registration results, and has high practical value

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  • A method for registration and fusion display of multi-modal 3D images
  • A method for registration and fusion display of multi-modal 3D images
  • A method for registration and fusion display of multi-modal 3D images

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Embodiment Construction

[0040] The present invention proposes a multi-modal three-dimensional image registration and fusion display method. The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0041] The registration and fusion display method of multi-modal three-dimensional images proposed by the present invention, step 1: obtain the CT three-dimensional image and MRI three-dimensional image of the patient, and obtain the edge feature image of the CT three-dimensional image and MRI three-dimensional image; Step 2...

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Abstract

The present application provides a multi-modal three-dimensional image registration and fusion display method, which relates to the field of digital medical technology. The method first obtains the multimodal three-dimensional image of the patient to be operated on, and uses the edge detection method to extract the edge feature image of the multimodal three-dimensional image; then downsamples the edge feature image to obtain the patient's multimodal three-dimensional image Edge feature point cloud; construct the point cloud to be registered as a Gaussian mixture model, calculate the probability density function of the point cloud to be optimized; use the EM method to optimize the probability density function, and obtain the registration parameters between multi-modal 3D images; finally use the wavelet transform method Fusion display of multi-modal 3D images. The invention has the advantages of simple operation, low cost, accurate registration result and high practical value.

Description

technical field [0001] The invention relates to the technical field of digital medical treatment, in particular to a registration and fusion display method of multi-modal three-dimensional images. Background technique [0002] In the process of digital medical diagnosis, doctors usually need to use the collected multi-modal 3D images to analyze the patient's lesion before the operation, so as to formulate the operation plan. However, the multimodal 3D images of patients collected before surgery have differences in scanning angles and acquisition equipment, so the image features that can be highlighted are also different. Multimodal 3D images are various types of 3D images, such as computerized tomography (CT) images and magnetic resonance imaging (MRI) images. In order to integrate the advantages of various modalities of 3D images collected before surgery, it is necessary to register the 3D images of different modalities to the same angle and to fuse the characteristics of ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/33G06T5/50
Inventor 夏有辰张龙马建勋
Owner PEKING UNIV THIRD HOSPITAL
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