结合自适应特征选择和蕨类分类器的相关滤波跟踪算法

廖加文 1; 2; 3; 齐春 1; 曹剑中 2; 黄继江 2

doi:10.7652/xjtuxb201906014

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结合自适应特征选择和蕨类分类器的相关滤波跟踪算法

更新时间：2025-07-09

- 结合自适应特征选择和蕨类分类器的相关滤波跟踪算法
- Tracking Algorithm with Correlation Filtering Based on Combination of Adaptive Feature Representation and Fern Classifier
- 西安交通大学学报 2019年53卷第6期页码：101-108
- 作者机构：
  
  1. 西安交通大学电子与信息工程学院,西安,710049
  2. 中国科学院西安光学精密机械研究所,西安,710119
  3. 中国科学院大学,北京,100049
- 作者简介：
- 基金信息：
  
  : 2018-11-20。作者简介: 廖加文(1986—),男,博士生;齐春(通信作者),男,教授,博士生导师。基金项目: 国家自然科学基金资助项目(61572395,61675161)
- DOI：10.7652/xjtuxb201906014
  中图分类号： TP391.41
- 网络首发：2019-06-10，
  
  纸质出版：2019
- 稿件说明：
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廖加文 1, 2, 3, 等. 结合自适应特征选择和蕨类分类器的相关滤波跟踪算法[J]. 西安交通大学学报, 2019,53(6):101-108.

Tracking Algorithm with Correlation Filtering Based on Combination of Adaptive Feature Representation and Fern Classifier[J]. 2019, 53(6): 101-108.
廖加文 1, 2, 3, 等. 结合自适应特征选择和蕨类分类器的相关滤波跟踪算法[J]. 西安交通大学学报, 2019,53(6):101-108. DOI： 10.7652/xjtuxb201906014.

Tracking Algorithm with Correlation Filtering Based on Combination of Adaptive Feature Representation and Fern Classifier[J]. 2019, 53(6): 101-108. DOI： 10.7652/xjtuxb201906014.

摘要

为解决基于核相关滤波架构的跟踪算法所采用的线性插值模型更新策略无法应对目标外观突变的问题

提出一种结合自适应特征选择和蕨类分类器的目标跟踪算法(DRDCF)。首先对提取的多层目标特征层进行主成分分析降维以抽取有用的特征层; 其次

采用每帧均对模板固定更新的进取型滤波器结合满足门限条件才进行更新的保守型滤波器定位目标

将进取型滤波器用于预测目标的下一帧位置

将保守型滤波器用于计算进取型滤波器以及检测器产生的预测位置的可靠性; 当进取型滤波器预测位置不可靠时

检测器产生预测位置

最后通过对比两者预测位置的可靠性择优确定目标最佳预测位置。实验结果表明

DRDCF算法可以有效解决目标突变所造成的模型污染以及跟踪失败问题

在OTB2015数据集上精度及覆盖率两项指标相较于结合通道和空间约束的相关滤波算法分别提升了2.78%和4.26%

达到前沿算法的效果。

Abstract

A target tracking algorithm based on combination of adaptive feature representation and a fern classifier is proposed to solve the problem that the linear interpolation update strategy used in the tracking algorithms based on kernel correlation filter architecture cannot deal with sudden changes in target's appearance. Firstly

dimension reduction through principal component analysis is carried out for extracted feature layers of the target to obtain good feature layers. Secondly

the target location is determined by combination of the passive-aggressive filters

where the aggressive filter is updated with a fixed update rate in each frame and the passive filter is updated only when a threshold condition is met. The aggressive filter is used to predict the next frame position of the target

and the passive filter is used to calculate the reliability of the predicted position generated by the aggressive filter and detector. When the prediction of the aggressive filter is unreliable

the detector predicts a position of the target. The best prediction of the target position is finally determined by comparing the reliability of both predicted positions. Experiment results show that the proposed method effectively addresses the model corruption and tracking failure caused by target mutation. Results on the OTB2015 dataset show that the proposed method significantly outperforms the discriminative correlation filter with channel and spatial reliability algorithm by 2.78% and 4.26% in precision and area under curve metrics

respectively.

关键词

Keywords

references

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