A Method for Monitoring Objects in Remote Sensing Images
A technology for remote sensing images and targets, applied in the fields of instruments, character and pattern recognition, computer parts, etc., can solve the problem of ignoring the importance of multi-temporal spectral time-varying feature analysis, and achieve the goal of improving inter-class separability and improving accuracy. Effect
Active Publication Date: 2016-07-06
INST OF AUTOMATION CHINESE ACAD OF SCI
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However, the current change detection and target monitoring technologies ignore the importance of multi-temporal spectral time-varying feature analysis, and there is currently no effective method for multi-temporal remote sensing image spectral time-varying feature analysis
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[0019] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0020] figure 1 It is a flow chart of the remote sensing image target monitoring method based on spectral time-varying feature analysis of the present invention. The target monitoring of the present invention is a gradual process, first extracting the target change area, and then identifying the target change type. Such as figure 1 As shown, the method includes the following steps:
[0021] Step S1, combining the registered multi-temporal images to obtain a multi-temporal spectral change image, the multi-temporal spectral change images are alternately generated in sequence according to the band frequencies of the multi-temporal images, which describe the temporal changes of the target spectrum feature;
[0022] figur...
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The invention discloses a target monitoring method of a remote sensing image. The target monitoring method comprises the following steps: multidate images registered already are combined to obtain a multidate spectral change image; a spectrum time-varying feature analysis is conducted on the multidate spectral change image to obtain a multiband spectrum time-varying feature image D; target spectrum time-varying features are extracted based on the image D to obtain a target spectrum time-varying feature image; target change information is extracted and obtained based on the target spectrum time-varying feature image. According to the target monitoring method of the remote sensing image, the multidate spectral change image is represented to be a spectral change function with the target changing along with the time, a spectrum time-varying feature analytical method is used for extracting the spectrum time-varying features of the target, the classifiability between a change class and a non-change class is improved, the good classifiability of the target spectrum time-varying features is fully utilized, a target varying region is effectively extracted, and a target varying type is automatically identified. The target monitoring method of the remote sensing image can be widely applied to a variety of application systems such as a disaster monitoring system and a target scouting system.
Description
technical field [0001] The invention relates to the technical fields of remote sensing image processing, information fusion, target monitoring, etc., in particular to a remote sensing image target monitoring method based on spectral time-varying feature analysis. Background technique [0002] Remote sensing image target monitoring is to automatically detect changing target areas by analyzing registered remote sensing images of the same scene in different phases, which can be widely used in military and civilian fields such as intelligence processing and disaster monitoring. Remote sensing image target monitoring is not only driven by strong application requirements, but also has important strategic significance. Due to the importance of target monitoring technology, remote sensing image target monitoring technology has been highly valued by countries all over the world. [0003] Object monitoring in remote sensing images is generally accomplished by change detection techniq...
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IPC IPC(8): G06K9/00
Inventor 霍春雷霍雷刚潘春洪
Owner INST OF AUTOMATION CHINESE ACAD OF SCI