Maritime moving target detection method based on thermal infrared remote sensing images based on multi-feature fusion
A technology of thermal infrared remote sensing and multi-feature fusion, which is applied in the field of maritime moving target detection, can solve problems such as incapability of imaging, insufficient detection ability of maritime moving targets, and difficulty in visual interpretation, and achieve the effect of improving information accuracy
Active Publication Date: 2020-04-14
CAPITAL NORMAL UNIVERSITY +1
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[0002] At present, the remote sensing detection of maritime moving targets such as ships at home and abroad is mainly based on high-resolution visible / near-infrared multispectral images. The image resolution results in insufficient detection capabilities for maritime moving targets and difficulties in visual interpretation. In addition, visible / The biggest disadvantage of near-infrared multispectral remote sensing data sources is that they cannot be imaged at night and cannot detect moving targets at sea at night
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[0032] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure, and to fully convey the scope of the present disclosure to those skilled in the art.
[0033] The principle of the present invention is that due to the larger specific heat of sea water compared with the moving target, the brightness of the thermal infrared image on the sea surface is obviously different from that of the moving target, and the brightness of the sea surface is relatively uniform, so the distinction between the sea surface object and the sea surface can be realized by using the brightness feature .
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The invention discloses a method for detecting a marine moving target of a thermal infrared remote sensing image based on multi-feature fusion. The method comprises the following steps of carrying out sea-land segmentation on a thermal infrared image to obtain a sea area image; utilizing a priori segmentation parameter to carry out multi-scale segmentation on the sea area image to obtain an object; extracting brightness and geometrical characteristics of the object obtained by segmentation; and carrying out decision tree classification on a segmentation object through corresponding classification rules which are obtained by respectively carrying out contrast training on the obtained brightness and the geometrical characteristics of the segmentation object in order to realize detection of the marine moving target. The method utilizes the thermal infrared remote sensing image as a data source, so that the defects of failure of a visible / near-infrared multispectral image at night, difficulty in visual interpretation of an SAR image, complicated processing steps and the like in the existing method can be made up to be beneficial to detection of a detection result, so that the accuracy of information is further improved; the obtained temperature information is extracted based on the marine moving target obtained by detection to be beneficial to judgement of state of the marine moving target.
Description
technical field [0001] The invention relates to a remote sensing detection method, in particular to a sea moving target detection method based on high-resolution thermal infrared remote sensing images. Background technique [0002] At present, the remote sensing detection of maritime moving targets such as ships at home and abroad is mainly based on high-resolution visible / near-infrared multispectral images. The image resolution results in insufficient detection capabilities for maritime moving targets and difficulties in visual interpretation. In addition, visible / The biggest disadvantage of near-infrared multi-spectral remote sensing data sources is that they cannot be imaged at night and cannot detect moving targets at sea at night. Contents of the invention [0003] In order to overcome the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a thermal infrared remote sensing image based on multi-feat...
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IPC IPC(8): G06T7/11G06T7/136G06T7/246
CPCG06T2207/10032G06T2207/10048G06T2207/20081G06T2207/20221
Inventor 周春平宫辉力李小娟孟冠嘉时春雨牛珂郭姣
Owner CAPITAL NORMAL UNIVERSITY