Extraction and Recognition of Features from Multi-Types of Surface Targets for Visual Systems in Unmanned Surface Vehicle

doi:10.7652/xjtuxb201408011

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Extraction and Recognition of Features from Multi-Types of Surface Targets for Visual Systems in Unmanned Surface Vehicle

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- Extraction and Recognition of Features from Multi-Types of Surface Targets for Visual Systems in Unmanned Surface Vehicle
- Vol. 48, Issue 8, Pages: 60-66(2014)
- 作者机构：
  
  哈尔滨工程大学自动化学院,黑龙江,哈尔滨,150001
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb201408011
  CLC： TP391.4
- Online First：10 August 2014，
  
  Published：2014
- 稿件说明：
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Extraction and Recognition of Features from Multi-Types of Surface Targets for Visual Systems in Unmanned Surface Vehicle[J]. 2014, 48(8): 60-66.
DOI：

Extraction and Recognition of Features from Multi-Types of Surface Targets for Visual Systems in Unmanned Surface Vehicle[J]. 2014, 48(8): 60-66. DOI： 10.7652/xjtuxb201408011.

摘要

针对海浪、海雾会造成无人艇视觉系统采集的视频图像模糊

影响目标特征提取和识别

且单一特征提取不能有效识别水面多类目标问题

在对无人艇采集的视频序列图像进行海雾去除和电子稳像预处理的基础上

提出一种多类水面目标组合特征提取和识别方法。首先分割清晰化后的图像

实现目标背景分离; 然后提取不同目标几何特征、不变矩特征和纹理特征; 最后采用基于组合特征和主分量分析降维的分级BP神经网络进行目标识别。通过实测、网络搜索和3D建模获得礁石、岛屿与船只3大类目标样本库

在MATLAB7.9下进行仿真研究

结果表明:多类水面目标组合特征提取和识别方法能有效实现无人艇视觉系统对海面3大类常见目标的分类识别

识别正确率达到85%以上。

Abstract

Sea waves and fog can cause video images captured by visual systems in a unmanned surface vehicle degradation and fuzzy

and influence targets feature extraction and recognition of targets. One single feature extraction is hard to identify multi-types of surface targets effectively. A method to extract and to identify features of multi-types surface targets for unmanned surface vehicle is proposed based on the fact that the video image sequence is preprocessed by removing sea fog and electronic image stabilization. At first

targets and background are separated by segmenting images. The geometrical feature

the moment invariant feature and texture feature in different targets are extracted. Then the grading BP neutral network with principal component analysis and dimension reduction is used to identify targets. A sample library of three types of targets such as reef

islands and ships are obtained through real measurements

network searching and 3D modeling. Simulations with MATLAB 7.9 show that the proposed method recognizes three types of common surface targets effectively

and the recognition accuracy is above 85%.

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references

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