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Image registration method and image splicing method and device

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, achieve the effect of small calculation, accurate registration results, and ensure real-time operation

Active Publication Date: 2019-08-16
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 and image splicing method and device
  • Image registration method and image splicing method and device
  • Image registration method and image splicing method and device

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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

Embodiments of the present invention provide an image registration method and device, and an image mosaic method and device. The image registration method includes: calculating the correlation coefficient image of the reference image and the floating image; calculating the gradient image of the correlation coefficient image; a pixel whose coefficient has an extremum value; and registering the reference image and the floating image according to the pixel whose correlation coefficient has an extremum value. The above-mentioned image registration method and device have high universality and a small amount of calculation, which can ensure real-time operation and more accurate registration results. The image mosaic method and device are implemented based on the image registration method, thereby also improving the speed and accuracy.

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...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T3/00G06T3/40G06T7/11G06T7/136
CPCG06T3/0068G06T3/4038G06T7/11G06T7/136G06T2207/10056G06T7/32G06T7/337G06T7/0002
Inventor 邵金华段后利孙锦王强
Owner SUZHOU MICROVIEW MEDICAL TECH CO LTD
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