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Infrared ship target detection and recognition method in complex sea surface environment

A target detection and recognition method technology, applied in the field of image recognition, can solve the problem of infrared weak and small target recognition vacancies and so on

Pending Publication Date: 2020-09-04
NO 8511 RES INST OF CASIC
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Problems solved by technology

However, the identification of infrared weak and small targets is temporarily vacant.

Method used

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  • Infrared ship target detection and recognition method in complex sea surface environment
  • Infrared ship target detection and recognition method in complex sea surface environment
  • Infrared ship target detection and recognition method in complex sea surface environment

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Embodiment Construction

[0060] An infrared ship target detection and recognition in a complex sea environment is discussed as an example. Its main architecture can be divided into infrared dim and small target detection in complex backgrounds, ship and aircraft recognition and classification based on multi-feature fusion and machine learning framework, and volume-based The recognition and classification of ships and aircrafts of the product neural network, and the three parts of the decision-making level fusion, such as figure 1 shown.

[0061] Infrared small target detection: Complete the detection and positioning of infrared weak and small targets in complex natural backgrounds such as waves and clouds. The area containing suspected targets such as ships and planes is separated from the background image, and pre-classified as high-speed targets (aircraft) and low-speed targets (ships). Preliminary screening of infrared small target images is carried out through traditional target recognition and d...

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Abstract

An infrared ship target detection and identification method in a complex sea surface environment comprises the following steps: 1, carrying out small target image screening on an acquired infrared image through a target identification and detection method, and carrying out region separation and pre-classification on a high-speed target and a ship; 2, extracting and establishing an infrared image feature set, screening an effective feature set, establishing a classic machine learning model based on a support vector machine, and achieving target ship recognition; 3, establishing a deep learningmodel based on a convolutional neural network for ship identification in the infrared image; and 4, performing decision fusion on a deep learning recognition result and a machine learning classification result to realize more accurate target recognition.

Description

technical field [0001] The invention relates to an image recognition technology, in particular to an infrared ship target detection and recognition method in a complex sea surface environment. Background technique [0002] The small targets of infrared video include ships and aircraft targets. Because of their few pixels and fuzzy features, most of the work is still focused on detection and positioning. From the perspective of foreign countries, since the 1960s, France, the Netherlands and the United States Countries such as China have started the development of infrared detection systems one after another. Later, with the rapid development of detector technology, thermal imaging technology and information processing technology, the functions and performance of infrared detection systems have continued to increase. In recent years, due to the use of various types of precision-guided weapons and the improvement of the level of electronic warfare, new requirements have been pu...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/32G06K9/34G06K9/62
CPCG06V10/25G06V10/267G06F18/254Y02A90/10
Inventor 秦晋祁友杰王佩顾超
Owner NO 8511 RES INST OF CASIC
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