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一种基于Hough变换的多维参数的检测前跟踪方法
Alternative TitleHough transform-based track-before-detect method of multidimensional parameters
毕欣; 杜劲松; 张清石; 王伟; 高洁; 仝盼盼; 丛日刚; 田星
Department智能检测与装备研究室
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Country中国
Subtype发明
Status有权
Abstract本发明涉及一种基于Hough变换的多维参数的检测前跟踪方法,包括以下步骤:初始化,确定目标航迹起始,并作为初次检测结果;从第3次检测开始循环;根据上一次检测结果与本次提取的特征参数作差和判决门限比较,进行判决;根据判决结果,对目标进行跟踪,当运动目标的其中某一特征参数比较发散时,执行滤波,否则,直接执行Hough变换,进行能量积累;根据目标积累能量和积累门限进行比较,自适应更新判决门限;通过积累门限的目标,作为最终的检测结果,并开始下一次循环。本发明基于Hough变换的多维参数的检测前跟踪方法避免预估航迹偏离实际,并且消除虚假航迹;提升了雷达对多运动目标的检测、跟踪和区分性能。
Other AbstractThe invention relates to a Hough transform-based track-before-detect method of multidimensional parameters. The method includes the steps of performing initializing to determine a target track initiation, as an initial detection result; allowing cycling for a third detection; according to a last detection result and characteristic parameters extracted via the current detection, performing differencing and comparison of judgment thresholds, and performing judging; according to judging results, tracking a target; performing filtering if certain characteristic parameter of the target is divergent, directly executing Hough transform if the characteristic parameter is not divergent, and performing energy accumulation; according to a target accumulated energy and an accumulative threshold, performing comparing, and performing adaptive updating and judging the threshold; using the target of the accumulative threshold as a final detection result, and starting a next cycle. The method has the advantages that the pre-detected track is avoided being divorced from actuality, false tracks are eliminated, and the ability of radar to detect, track and distinguish multiple moving targets is improved.
PCT Attributes
Application Date2014-08-22
2015-09-02
Date Available2017-09-29
Application NumberCN201410420900.1
Open (Notice) NumberCN104881561A
Language中文
Contribution Rank1
Document Type专利
Identifierhttp://ir.sia.cn/handle/173321/17017
Collection智能检测与装备研究室
Affiliation中国科学院沈阳自动化研究所
Recommended Citation
GB/T 7714
毕欣,杜劲松,张清石,等. 一种基于Hough变换的多维参数的检测前跟踪方法[P]. 2015-09-02.
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