基于自适应背景选择和多检测区域的相关滤波算法

蒲磊; 冯新喜; 侯志强; 余旺盛

doi:10.11999/JEIT190931

基于自适应背景选择和多检测区域的相关滤波算法

doi: 10.11999/JEIT190931

1.
空军工程大学研究生院西安 710077
2.
空军工程大学信息与导航学院西安 710077
3.
西安邮电大学计算机学院西安 710121

基金项目: 国家自然科学基金(61571458, 61703423)

详细信息

作者简介:
蒲磊：男，1991年生，博士生，研究方向为计算机视觉、目标跟踪

冯新喜：男，1964年生，教授，研究方向为信息融合、模式识别

侯志强：男，1973年生，教授，研究方向为图像处理、计算机视觉

余旺盛：男，1985年生，讲师，研究方向为图像处理、模式识别

通讯作者:
蒲磊　warmstoner@163.com

中图分类号: TN911.73; TP391.4
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- 文章访问数: 2235
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- PDF下载量: 127
- 被引次数: 0
出版历程
- 收稿日期: 2019-11-20
- 修回日期: 2020-05-26
- 网络出版日期: 2020-06-01
- 刊出日期: 2020-12-08

Correlation Filter Algorithm Based on Adaptive Context Selection and Multiple Detection Areas

1.
Graduate College, Air Force Engineering University, Xi’an 710077, China
2.
Institute of Information and Navigation, Air Force Engineering University, Xi’an 710077, China
3.
School of Computer Science and Technology, Xian University of Posts and Telecommunications, Xi’an 710121, China

Funds: The National Natural Science Foundation of China (61571458, 61703423)

摘要

摘要: 为了进一步提高相关滤波算法的判别力和对快速运动、遮挡等复杂场景的应对能力，该文提出一种基于自适应背景选择和多检测区域的跟踪框架。首先对检测后的响应图进行峰值分析，当响应为单峰的时候，提取目标上下左右的4块区域作为负样本对模型进行训练，当响应为多峰的时候，采用峰值提取技术和阈值选择方法提取较大几个峰值区域作为负样本。为了进一步提高算法对遮挡的应对能力，该文提出了一种多检测区域的搜索策略。将该框架和传统的相关滤波算法进行结合，实验结果表明，相对于基准算法，该算法在精度上提高了6.9%，在成功率上提高了6.3%。
- 视觉跟踪 /
- 相关滤波 /
- 遮挡 /
- 背景选择
Abstract: In order to improve further the discrimination ability of the correlation filtering algorithm and the ability to deal with fast motion and occlusion, a tracking framework based on adaptive context selection and multiple detection areas is proposed. Firstly, the peak value of the detected response map is analyzed. When the response is single peak, four areas surrounding the target are extracted as negative samples to train the model. When the response is multi-peak, the peak value extraction technology and threshold selection are used to extract several larger peak areas as negative samples. In order to improve further the ability to deal with occlusion, a multi detection area search strategy is proposed. Combining the framework with the traditional correlation filter algorithm, the experimental results show that the proposed algorithm improves the accuracy by 6.9% and the success rate by 6.3%.
- Visual tracking /
- Correlation filter /
- Occlusion /
- Context selection

HTML全文

图 1 基于响应图峰值提取的自适应背景选择策略

下载: 全尺寸图片幻灯片

图 2 多检测区域搜索策略

下载: 全尺寸图片幻灯片

图 3 OTB100测试结果的精度曲线和成功率曲线

下载: 全尺寸图片幻灯片

图 4 定性分析

下载: 全尺寸图片幻灯片

表 1 基于自适应背景选择和多检测区域的相关滤波算法

　输入：图像序列I₁, I₂, ···, I_n，目标初始位置p₀=(x₀, y₀)。

　输出：每帧图像的跟踪结果p_t=(x_t, y_t)。

　对于t=1, 2, ···, n, do：

　　(1) 定位目标中心位置

　　(a) 利用前一帧目标位置p_t_-1确定第t帧ROI区域，并提取
　　　 HOG特征；

　　(b) 利用式(3)在多个检测区域进行计算，获得多个响应图；

　　(2) 模型更新

　　(a) 对得到的响应图计算峰值个数；

　　(b) 当为单峰时，提取上下左右4个背景块进行模型更新；

　　(d) 采用式(7)对模型进行更新。

　结束

下载: 导出CSV

表 2 算法跟踪速度对比

	本文算法	DCF_CA	DCF	DSST	TLD	MOSSE_CA
成功率	0.586	0.566	0.523	0.552	0.448	0.488
跟踪精度	0.808	0.776	0.739	0.731	0.633	0.642
跟踪速度(FPS)	53.5	82.3	333.0	28.3	33.4	115.0

下载: 导出CSV

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