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Nonlinear image splicing sequence acquisition method and device based on unmanned aerial vehicle

A technology of image stitching and acquisition method, which is applied in the field of UAV aerial photography, can solve the problems of low efficiency, achieve the effect of image accuracy, improve efficiency, and reduce repetition

Pending Publication Date: 2022-03-11
广州市鑫广飞信息科技有限公司
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  • Claims
  • Application Information

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Problems solved by technology

This existing technology can only calculate the positional relationship, degree of overlap, and the ratio of the registration point to the image range of two images. The registration needs to calculate all images, and the efficiency is relatively low.

Method used

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  • Nonlinear image splicing sequence acquisition method and device based on unmanned aerial vehicle
  • Nonlinear image splicing sequence acquisition method and device based on unmanned aerial vehicle
  • Nonlinear image splicing sequence acquisition method and device based on unmanned aerial vehicle

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Embodiment Construction

[0047] 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 of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0048] see figure 1 , figure 1 It is a schematic flow diagram of an embodiment of the UAV-based non-linear image mosaic sequence acquisition method provided by the present invention, such as figure 1 As shown, the method includes step 101 to step 105, and each step is specifically as follows:

[0049] Step 101: Obtain aerial photos, extract the image information of each image to be stitched in the aerial photos, and store each image information in a...

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Abstract

The invention provides a non-linear image splicing sequence obtaining method and device based on an unmanned aerial vehicle, and the method comprises the steps: storing a large number of disordered aerial images in each divided region according to coordinate information; calculating the similarity between the to-be-spliced image and other to-be-spliced images in the target area of the to-be-spliced image, and the position information of each deviation direction of each to-be-spliced image, so as to screen out spliced images in eight directions; and continuously carrying out iterative calculation in the target area of the obtained spliced image until all the images are calculated, and obtaining the splicing sequence of the images. Compared with an ordered splicing method in the prior art, the method has the advantages that the spliced images are calculated in the corresponding range through the scheme, the nonlinear image splicing sequence is generated through iterative calculation, the splicing accuracy between the images is guaranteed, and the image splicing efficiency is greatly improved.

Description

technical field [0001] The invention relates to the field of drone aerial photography, in particular to a method and device for acquiring a sequence of non-linear image splicing based on a drone. Background technique [0002] For a camera that needs to shoot a larger scene, the lens of the camera is very limited. Those skilled in the art often take multiple photos and stitch them together, and then after a series of adjustments, finally obtain a picture that contains the entire scene. Pictures of big scenes. With the continuous development of UAV technology, the use of UAV aerial photography for scene shooting has gradually become more and more widespread. With the advantages of strong climbing force and flexible height control of drones, aerial photography of drones can achieve multi-angle and all-round shooting. Therefore, UAV aerial photography has very obvious advantages in the acquisition of aerial images in belt-shaped areas. Using UAV aerial photography to shoot lar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T3/40G06T1/00G06V10/74G06F16/587G06F16/535
CPCG06T3/4038G06T1/0007G06F16/535G06F16/587G06F18/22
Inventor 李铠洋沈伟李瑞程梁羽剑张晓颖
Owner 广州市鑫广飞信息科技有限公司
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