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Image registration method, device image splicing method and corresponding devices

An image registration and image technology, applied in the field of image processing, can solve problems such as the error of the correlation coefficient method, and achieve the effect of small calculation amount, good registration results, and guaranteeing real-time operation.

Active Publication Date: 2018-02-16
SUZHOU MICROVIEW MEDICAL TECH CO LTD
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Problems solved by technology

This will bring a huge error to the above correlation coefficient method

Method used

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  • Image registration method, device image splicing method and corresponding devices
  • Image registration method, device image splicing method and corresponding devices
  • Image registration method, device image splicing method and corresponding devices

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Embodiment Construction

[0061] In order to make the objects, technical solutions and advantages of the present invention more apparent, exemplary embodiments according to the present invention will be described in detail below with reference to the accompanying drawings. Apparently, the described embodiments are only some embodiments of the present invention, rather than all embodiments of the present invention, and it should be understood that the present invention is not limited by the exemplary embodiments described here. Based on the embodiments of the present invention described in the present invention, all other embodiments obtained by those skilled in the art without creative effort shall fall within the protection scope of the present invention.

[0062] figure 1 An image registration method 100 according to one embodiment of the invention is shown. The image registration method 100 is used to register a reference image and a floating image. The reference image can be used as a reference i...

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Abstract

The embodiments of the present invention provide an image registration method, an image registration device, an image splicing method and an image splicing device. The image registration method includes the following steps that: a correlation coefficient image of a reference image and a floating image are calculated; the gradient image of the correlation coefficient image is calculated; the pixelsof the extreme value of a correlation coefficient in the correlation coefficient image is determined according to the pixels of the extreme value of a gradient in the gradient image; and the reference image and the floating image are registered according to the pixels of the extreme value of the correlation coefficient. The image registration method and device are high in universality, small in calculation amount, are more accurate in registration result, and can ensure real-time operation. The image splicing method and the image splicing device are realized on the basis of the image registration method. The speed and accuracy of the image splicing method and the image splicing device are improved.

Description

technical field [0001] The present invention relates to the field of image processing, and more particularly to an image registration method and device, and an image splicing method and device. Background technique [0002] In many application scenarios in the field of image processing, image registration and splicing operations are required. Through the registration operation, the displacement of the floating image (or called moving image, current image) relative to the reference image (previous image) in the abscissa and ordinate directions can be obtained. The splicing operation splices the floating image and the reference image into one image according to the registration result obtained by the registration operation. [0003] For example, in the field of microscope scanning applications, due to the limited field of view, it is necessary to register and stitch multiple images acquired continuously while the probe is moving. The entire operation process requires rapidit...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T3/00G06T3/40G06T7/11G06T7/136
CPCG06T3/4038G06T7/11G06T7/136G06T3/14G06T2207/10056G06T7/32G06T7/337G06T7/0002
Inventor 邵金华段后利孙锦王强
Owner SUZHOU MICROVIEW MEDICAL TECH CO LTD
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