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Infrared small object single-frame detection method based on nerve network and morphology

A neural network, weak and small target technology, applied in the field of infrared weak and small target single-frame detection, can solve problems such as reducing the probability of false alarms and more residual noise points

Inactive Publication Date: 2006-11-29
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

This method overcomes the problem of too much background clutter and too many interference points caused by inaccurate background estimation in the past, and at the same time solves the problem of too many residual noise points after a single threshold segmentation, and the neural network classifier in the final stage The noise points with high interference are further eliminated, thereby greatly reducing the probability of false alarms

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  • Infrared small object single-frame detection method based on nerve network and morphology
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  • Infrared small object single-frame detection method based on nerve network and morphology

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Embodiment Construction

[0047] In order to better understand the technical solutions of the present invention, the implementation manners of the present invention will be further described below in conjunction with the accompanying drawings.

[0048] The present invention is based on the neural network and the morphological device to detect the principle block diagram of infrared weak point target as follows figure 1 As shown, the filtering process is mainly divided into three parts: morphological filtering optimized by neural network, quadratic threshold segmentation and neural network classifier. Among them, morphological filtering is the beginning of the whole process, and morphological filtering can be decomposed into two basic problems of morphological operation and structural elements. When the morphological operation rules are determined, the final filtering performance of the morphological filter only depends on the selection of structural elements. The present invention uses a series of pre...

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Abstract

A single frame detection method of infrared weak object based on neural network and morphology includes collecting a training sample with various point object and background first, structuring neural network for optimizing said training element and combining it with revision morphology operator to structure morphological filter for making background estimation, using primary threshold to remove of interference point then using secondary threshold and neural network classifier to remove off noise point for achieving high detection probability and high false alarm probability.

Description

technical field [0001] The invention relates to a target detection method in the technical field of image processing, in particular to a single-frame detection method for weak infrared targets based on neural network and morphology. Background technique [0002] Based on the characteristics of infrared weak and small target detection, it is difficult for traditional methods to coordinate the contradiction between algorithm complexity and calculation speed. Among them, although the feature method and the optical flow field method can extract the three-dimensional shape and depth information of the moving target well in theory, there is no more general feature selection and matching algorithm, and the basic equation of the optical flow field is only used in special cases. The occasion is established. On the other hand, single-frame detection and multi-frame detection are two basic methods of infrared weak and small moving target detection. Due to the instability of the real-...

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Application Information

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IPC IPC(8): G06T7/00G06T5/00
Inventor 李建勋张鹏
Owner SHANGHAI JIAO TONG UNIV
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