Method for detecting and identifying dense weak and small targets in wide remote sensing image

Abstract

The invention provides a method for detecting and identifying dense weak and small targets in a wide remote sensing image. According to the method, sample amplification is carried out by means of Mosaic, rotation, MixUp, zooming and the like, and abundant and multi-scale training samples are obtained; secondly, improving a YOLOv5 network by utilizing Transform, adding a weak and small target detection head, enhancing the characterization capability of the model on global information and context information in an image, and improving the weak and small target detection and recognition performance in a dense scene; meanwhile, a multi-model fusion prediction method is used, the prediction precision is improved, and the model is prevented from falling into local optimum; and finally, detecting and identifying dense weak and small targets in the wide remote sensing image by using a block detection method. According to the method, multi-model fusion prediction is used, the model target detection and identification capability can be improved, and the model is prevented from falling into local optimum.

Description

technical field [0001] The invention relates to the field of remote sensing image processing, in particular to a method for detecting and identifying dense and weak targets in wide-format remote sensing images, which can be used for detecting and identifying weak and small targets in remote sensing images. Background technique [0002] Remote sensing image target detection and recognition are widely used in various fields such as national defense and military. However, due to the inherent characteristics of some targets, such as small physical size, fuzzy edge information, dense distribution, etc., they appear weak and small in remote sensing images, which greatly increases the difficulty of target detection and identification. In practical scenes, there are common applications of detection and recognition of dense and small targets, such as vehicle recognition in remote sensing images, tent detection, etc. Therefore, the detection and recognition of weak and small targets i...

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention provides a detection and recognition method of dense weak and small targets in wide-format remote sensing images, which can effectively solve the problem of detection and recognition of dense and weak targets in optical remote sensing images

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