Multi-source remote-sensing image data fusion method

A remote sensing image and data fusion technology, applied in the field of multi-source remote sensing image data fusion, to achieve the effect of improving the accuracy of remote sensing classification, eliminating redundancy and contradiction, and improving the image category environment

Inactive Publication Date: 2017-10-13
浙江国遥地理信息技术有限公司
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the technical problems described above, to provide a method that can obtain more information through image fusion, supplement the deficiency of a single sensor, can maximize the integration and utilization of different characteristics of various data, and eliminate the gap between different sensors. The multi-source remote sensing image data fusion method that enhances the transparency of image information, improves the accuracy of image information, and improves and enhances the timeliness and reliability of remote sensing information extraction. The technical scheme is as follows:

Method used

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Embodiment Construction

[0011] The embodiment is described in detail below:

[0012] The multi-source remote sensing image data fusion method is characterized in that:

[0013] Pixel-based image fusion: Basic geocoding is performed based on pixel-based image fusion, that is, the geometric registration of raster data is carried out, and image pixel-level merging is performed on the premise of one-to-one correspondence between each pixel , to improve the effect of image processing, so that image segmentation and feature extraction can be performed more accurately;

[0014] Feature-based image fusion: feature-based image fusion, the correspondence between structural information, the judgment of feature attributes has higher credibility and accuracy, and the fused image not only retains the structural information of the original high-resolution remote sensing image , and integrates the rich spectral information of multispectral images, the image category environment is improved, and the remote sensing c...

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Abstract

The invention relates to a multi-source remote-sensing image data fusion method, and belongs to the technical field of remote-sensing data processing. In pixel based image fusion, basic geographical coding is carried out by geometric registering among grid data; characteristic based image fusion is implemented; in decision layer based image fusion, valuable complex data is determined, identified and classified via discriminating criteria and decision rules, the valuable information is fused, and an integrated decision result is obtained; and the data undergoes the three types of image fusion, and then three results are compared, fused and analyzed to obtain a final result. Thus, different characteristics of different types of data are integrated and utilized to the largest extent, redundancy and contradiction among different sensors are eliminated, and image information is more transparent.

Description

technical field [0001] The invention belongs to the technical field of remote sensing data processing, in particular to a multi-source remote sensing image data fusion method. Background technique [0002] At present, with the development of remote sensing technology, multi-source remote sensing images provide people with rich information. The amount of remote sensing image data acquired by different sensors for the same area is increasing, enabling remote sensing systems to provide users with different time and space information in the same area. Massive data with spectral resolution. At present, a single sensor is generally used in the acquisition of remote sensing image data. The image information obtained by a single sensor is often difficult to meet the application, and is often relatively simple, which makes the obtained image relatively simple. Contents of the invention [0003] The purpose of the present invention is to solve the technical problems described abov...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/50
CPCG06T5/50G06T2207/10032G06T2207/20221
Inventor 马广迪
Owner 浙江国遥地理信息技术有限公司
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