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Method for batch extraction of similar target contours with single color in aerial images

A technology for aerial images and target outlines, which is applied in the field of image processing, can solve the problem of high time cost of target outlines, achieve the requirements of reducing image quality, be easy to implement, and improve accuracy

Pending Publication Date: 2020-07-03
东南数字经济发展研究院
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Problems solved by technology

[0004] In order to solve the problem of high time cost for acquiring target contours from aerial images, the present invention designs a method for batch extracting the contours of similar targets with a single color in aerial images, and realizes the batch processing of automatically extracting contours of similar targets with a single color model

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  • Method for batch extraction of similar target contours with single color in aerial images
  • Method for batch extraction of similar target contours with single color in aerial images
  • Method for batch extraction of similar target contours with single color in aerial images

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Embodiment Construction

[0024] With reference to accompanying drawing, take the outline extraction of dying wood or dead wood of pine in the aerial photography image as an example, further illustrate the present invention:

[0025] A method for batch extracting single-color similar target contours in aerial images, comprising the following steps:

[0026] 1) Read the small image where the target is located from the original image, and enhance the difference in image saturation;

[0027] 2) Convert the color space, generate a binary image, and perform contour extraction preprocessing on the binary image;

[0028] 3) Extract the object with the largest outer contour in the binary image as the contour of the target.

[0029] Based on the target recognition results, the method for extracting the contours of similar targets with a single color in the aerial imagery performs image enhancement according to the color features of the target and background, and uses color space transformation and image binari...

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Abstract

The invention provides a method for batch extraction of similar target contours with single color in aerial images, and solves the problem of low batch extraction efficiency of similar target contoursrepeatedly appearing in aerial photos under the condition of similar target colors. The method comprises the following steps: (1) reading a small image where a target is located from an original image, and enhancing the image saturation difference; (2) converting a color space, generating a binary image, and carrying out contour extraction preprocessing on the binary image; and (3) extracting theobject with the maximum outer contour in the binary image as the contour of the target. The method has the advantages that the method is high in universality; the algorithm is simple; the calculationefficiency is high; result conciseness.

Description

technical field [0001] The invention belongs to the field of image processing, and relates to a method for batch-extracting contours of similar objects with a single color in aerial images. Background technique [0002] UAV aerial photography technology can be widely used in national ecological environment protection, mineral resource exploration, marine environment monitoring, land use investigation, water resources development, crop growth monitoring and yield estimation, agricultural operations, natural disaster monitoring and evaluation, urban planning and municipal administration Management, forest pest protection and monitoring, public safety, national defense, digital earth and advertising photography and other fields. UAV aerial images have the advantages of high definition, large scale, small area, and high visibility. And the unmanned aerial vehicle provides a remote sensing platform that is easy to operate and easy to transition to for aerial photography. Take-o...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/46G06K9/00
CPCG06V20/13G06V10/56G06V10/44
Inventor 金灵枫陈佳舟吴宁张云郑龙全周志飞
Owner 东南数字经济发展研究院
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