Method and device for extracting mosaicing line for image mosaic

An extraction method and extraction device technology, which are applied in image enhancement, image data processing, instruments, etc., can solve problems such as image stitching that is prone to misalignment

Active Publication Date: 2014-12-17
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 dev

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  • Method and device for extracting mosaicing line for image mosaic
  • Method and device for extracting mosaicing line for image mosaic
  • Method and device for extracting mosaicing line for image mosaic

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Embodiment Construction

[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 following will clearly and completely describe the technical solutions in the embodiments of the present invention 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 "fir...

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Abstract

The invention discloses a method and a device for extracting a mosaicing line for image mosaic. The method for extracting the mosaicing line includes acquiring a first image and a second image, determining an overlapping area of the first image and the second image, calculating pixel difference of a picture of the first image in the overlapping area and a picture of the second image in the overlapping area to obtain a difference picture of the overlapping area, calculating smoothing factors of the pictures in the overlapping area to obtain a smoothing factor picture, and then extracting the mosaicing line for mosaic of the first image and the second image according to the difference picture and the smoothing factor picture. Therefore, dislocation which is easy to cause in image mosaic of the prior art is overcome, mosaic dislocation caused by registration deviation and shooting angle difference is reduced, and accuracy and effectiveness of the optimal mosaicing line are improved.

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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IPC IPC(8): G06T5/50
Inventor 宋雨娇徐成华
Owner ZHONGKE JIUDU BEIJING SPATIAL INFORMATION TECH
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