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Multi-spectral remote sensing image-based ship detection method

A multi-spectral image and ship detection technology, applied in the field of remote sensing image target detection, can solve problems such as aggravating the difficulty of analysis

Inactive Publication Date: 2016-05-04
YUNNAN UNIV
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Problems solved by technology

This kind of comprehensive processing will not only cause waste of calculation, but also increase the difficulty of analysis.

Method used

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  • Multi-spectral remote sensing image-based ship detection method
  • Multi-spectral remote sensing image-based ship detection method
  • Multi-spectral remote sensing image-based ship detection method

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Embodiment Construction

[0040] The present invention will be further described below by example. It should be noted that the purpose of the disclosed embodiments is to help further understand the present invention, but those skilled in the art can understand that various replacements and modifications are possible without departing from the spirit and scope of the present invention and the appended claims of. Therefore, the present invention should not be limited to the content disclosed in the embodiments, and the protection scope of the present invention is subject to the scope defined in the claims.

[0041]figure 1 It is a processing flowchart of the multi-spectral remote sensing image ship detection method of the present invention, including:

[0042] The first step is to perform Walsh Hadamard transform on each dimension spectral image of the multispectral data

[0043] The l-dimensional spectral data of the multispectral remote sensing image with a spatial resolution of M×N pixels is regarde...

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Abstract

The invention discloses a multi-spectral remote sensing image-based ship target quick-detection method, and belongs to the technical field of remote sensing image-based target detection. According to the method, the information of the spectral domain and the spatial domain is fully utilized, and the Walsh-Hadamard transform domain coefficient of a multi-spectral remote sensing image is processed to extract the saliency characteristic of the spatial domain. The method is used for sea ship target detection. The method of the invention can effectively overcome the defects of the traditional multi-spectral image ship detection method such as high computational complexity and complex parameter setting. A large number of real multi-spectral remote sensing data experiment results show that the method can achieve an effect of quick and accurate sea ship target detection, and is of high robustness to spectral noise and cluttered marine background. The method is of great application value in aspects like marine fisheries management, marine transportation control and military maritime monitoring.

Description

technical field [0001] The invention belongs to the technical field of remote sensing image target detection, and in particular relates to a method for rapidly detecting ship targets in multi-spectral remote sensing images. Background technique [0002] The multi-spectral imaging sensor can obtain the spectral information of the substances corresponding to each spectral segment in the spectral dimension, and at the same time obtain the spatial information of the scene in the spatial dimension, forming a multi-dimensional data body containing rich geographical environment information. Since there are large differences in the spectral characteristics of each spectral band between artificially constructed targets and natural material backgrounds, multispectral image data has unique advantages in ground object detection and can be used for automatic target detection tasks. Especially in marine transportation, marine fishery management, and military monitoring, the detection of s...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00
CPCG06T7/0002G06T2207/10036G06T2207/20024
Inventor 余映杨鉴
Owner YUNNAN UNIV
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