Splice line extraction method and device for image splicing

An extraction method and extraction device technology, applied in image enhancement, image data processing, instruments, etc., can solve problems such as easy misalignment of image stitching

Active Publication Date: 2017-09-26
ZHONGKE JIUDU BEIJING SPATIAL INFORMATION TECH
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Problems solved by technology

[0007] The main purpose of the present invention is to provide a splicing line extraction method and device for image splicing to solve the problem that image splicing is prone to misalignment in the prior art

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  • Splice line extraction method and device for image splicing
  • Splice line extraction method and device for image splicing
  • Splice line extraction method and device for image splicing

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[0034] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0035] In order to enable those skilled in the art to better understand the solutions of the present invention, 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 are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0036] It should be noted that the terms "first" ...

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Abstract

The invention discloses a splicing line extraction method and device for image splicing. Wherein, the stitching line extraction method includes: acquiring the first image and the second image; determining the overlapping area of ​​the first image and the second image; Pixel difference operation to obtain the difference image of the overlapping area; calculate the smoothing factor of the image in the overlapping area to obtain the smoothing factor image; and extract the stitching line used to stitch the first image and the second image through the difference image and the smoothing factor image , which solves the problem that image stitching is prone to misalignment in the prior art, reduces the stitching misalignment phenomenon caused by registration deviation and different shooting angles, and improves the accuracy and efficiency of the optimal stitching line.

Description

technical field [0001] The present invention relates to the field of image stitching, in particular to a method and device for extracting stitching lines for image stitching. Background technique [0002] With the rapid development of aerospace remote sensing technology, remote sensing image stitching technology has also been widely used, and the demand for automatic remote sensing image stitching is becoming more and more urgent. Image stitching is also called image mosaic. As early as the 1970s, image mosaic technology appeared in the field of remote sensing technology. In order to obtain remote sensing images with a wider range and wider viewing angle, and to better process, analyze and study remote sensing image information uniformly, It is often necessary to stitch two or more remote sensing images with overlapping areas into an image map to form an overall image of the entire shooting area. The stitched image retains the detailed information in the original image, whic...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/50
Inventor 宋雨娇徐成华
Owner ZHONGKE JIUDU BEIJING SPATIAL INFORMATION TECH
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