Snow mountain detection method based on infrared remote sensing image

A technology for remote sensing images and detection methods, applied in the field of remote sensing image processing, can solve the problems of high requirements for image quality, unfavorable real-time monitoring of snow-capped mountains, and large amount of calculation data, so as to reduce image blur, improve detection accuracy, and reduce errors. The effect of detection probability

Inactive Publication Date: 2018-11-06
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

[0005] The purpose of the present invention is to provide a snow mountain detection method based on infrared remote sensing images, which solves the problem that the existing snow mountain detection methods have high requirements on image quality, large amount of calculation data, unfavorable real-time monitoring of snow mountains, and false detection. more probable problem

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  • Snow mountain detection method based on infrared remote sensing image
  • Snow mountain detection method based on infrared remote sensing image
  • Snow mountain detection method based on infrared remote sensing image

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Embodiment 1

[0099] A method for detecting snow mountains based on infrared remote sensing images provided by a preferred embodiment of the present invention includes the following steps:

[0100] Step 1: Read the infrared remote sensing snow mountain image f to be detected 0 (x,y), such as figure 2 shown;

[0101] Step 2: Infrared remote sensing snow mountain image f 0 (x, y) is preprocessed to obtain the preprocessed image f after denoising and contrast enhancement 2 (x,y);

[0102] Step 2.1: Infrared remote sensing snow mountain image f 0 (x, y) performs median filtering processing, sorts the pixels in the area of ​​each pixel in the image according to the gray value, and takes the median of the sorting results as the gray value of the pixel after filtering:

[0103]

[0104] Among them, S xy is the field of point (x, y), usually take a square field of 3×3 pixels around point (x, y), g(s, t) is the gray value at (s, t) in the field, according to the above formula , perform th...

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Abstract

The invention discloses a snow mountain detection method based on an infrared remote sensing image, and belongs to the field of remote sensing image processing. The method includes the following steps: Step 1, reading an infrared remote sensing snow mountain image to be detected, and performing saliency feature detection to obtain a saliency image; Step 2, extracting a highlighted foreground partin the saliency image to obtain a highlighted foreground image; Step 3, extracting local entropy texture features in the highlighted foreground image to obtain a local entropy texture feature image; and Step 4, performing binarization processing on the local entropy texture feature image, filling holes and searching the outline of a target region to obtain a final detection result image. The snowmountain detection method based on an infrared remote sensing image solves the problem that an existing snow mountain detection method has a relatively high requirement for image quality, relatively large calculation data volume, is not beneficial to the real-time monitoring of the snow mountain, and has relatively high false detection probability.

Description

technical field [0001] The invention belongs to the field of remote sensing image processing and relates to a snow mountain detection method based on infrared remote sensing images. Background technique [0002] In recent years, infrared remote sensing imaging technology has been widely used in military target observation and early warning, especially in the detection of small and weak targets such as missiles. However, there are a large number of high-radiation energy false alarm sources in infrared remote sensing images, which have a great negative impact on the detection of weak and small targets in the images. [0003] Due to its high radiation intensity and rich texture features, snow mountains are a typical source of false alarms in remote sensing image weak target detection. In my country's territory, especially on the border, there are vast snow-capped mountains. For the infrared remote sensing target detection system, researching a suitable snow-capped detection al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06T7/136G06K9/00G06K9/46
CPCG06T7/0002G06T7/136G06V20/13G06V10/462
Inventor 彭真明饶紫鹏彭凌冰曹思颖张天放刘雨菡黄苏琦吕昱霄黄景雨吴逢信杨春平
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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