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Image splicing method and device

A splicing device and image technology, applied in the field of image processing, can solve problems such as unnatural splicing of images, and achieve natural effects

Active Publication Date: 2020-08-28
南京奇元科技有限公司
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Problems solved by technology

[0006] In view of this, the present invention provides an image stitching method and device to solve the problem of unnatural image stitching when there are close-range objects in the overlapping area of ​​two images in the prior art

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Embodiment Construction

[0064] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0065] An embodiment of the present invention provides an image splicing method, referring to figure 1 ,include:

[0066] S11. Calculate offset values ​​of corresponding pixels in the first overlapping area and the second overlapping area;

[0067] Wherein, there will be multiple pixels in the first overlapping area, there will be multiple pixels in the second overlapping area, and the multiple pixels in the first overlapping area will correspond to the multi...

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Abstract

The invention provides an image stitching method and apparatus. The image stitching method includes the steps: according to the deviation values of corresponding pixel points in a first overlapped area and a second overlapped area, the color difference value and the edge difference value, obtained through pre-calculation, of the corresponding pixel points in the first overlapped area and the second overlapped area, constructing a difference matrix, wherein as the deviation values of the corresponding pixel points are the main characteristic for distinguishing a close-range object and a distant view object, the deviation value corresponding to the distant view object is smaller and the deviation value corresponding to the close-range object is greater. Besides, according to the difference matrix, when the first overlapped area is stitched with the second overlapped area, the selected stitching seam is relatively smaller in the difference value, and when the different value is smaller, the corresponding deviation value is smaller too. Therefore, at the moment, the optimum stitching seam is formed at the distant view object in the image and is not formed at the close-range object in the image, so that the stitching effect is relatively more nature.

Description

technical field [0001] The present invention relates to the technical field of image processing, and more specifically, to an image splicing method and device. Background technique [0002] With the popularity of smart display devices, panoramic image photography by multi-eye cameras has become a must-have function for many hardware smart display devices. [0003] In the prior art, when two images are captured by a multi-eye camera, and then the overlapping areas of the two images are stitched together, the gray value and edge value of each pixel on the overlapping area of ​​each image are first obtained value (Sobel sobel edge value or canny edge value), the difference between the gray value of the pixel corresponding to the overlapping area in the two images is used as the color difference value, and the pixel corresponding to the overlapping area in the two images The difference of the edge value is used as the edge difference value, and the difference matrix is ​​constr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T3/40G06T7/33
CPCG06T3/4038G06T7/33G06T2200/32
Inventor 王琳王西颖
Owner 南京奇元科技有限公司
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