Lineament extraction method of remote sensing image
A remote sensing image and feature extraction technology, which is applied in the field of remote sensing technology and image processing, can solve problems such as error detection, unresolved threshold problem, high edge density, etc., to improve accuracy, reduce calculation amount, good robustness and accuracy Effect
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[0043] The technical problems involved in the technical solution of the present invention will be further described below in conjunction with navigation road extraction. It should be pointed out that the described embodiments are only intended to facilitate the understanding of the present invention, rather than limiting it in any way.
[0044] This embodiment uses navigation road extraction as an example to illustrate the extraction of linear elements in remote sensing images. The roads in the high-resolution original image are different, resulting in different road linear elements. Through the pyramid structure image sequence proposed by the present invention, we can extract roads of different levels. For high-level roads, we can extract them on images with low resolution. , for relatively small roads in the city, it can be extracted on a high-resolution image.
[0045] Each step of the extraction process is described in detail below.
[0046] First, the input of high-reso...
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