A multi-sensor and multi-frame joint detection and tracking method based on dot trace sequence fusion
A multi-frame joint detection, multi-sensor technology, applied in the direction of instruments, radio wave measurement systems, etc., can solve the problem that the distributed fusion method cannot be directly used to solve the point trace sequence fusion problem, etc., to improve the detection ability and accurate target state. estimated effect
Active Publication Date: 2020-04-21
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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[0004] In order to solve the problem that the traditional distributed fusion method cannot be directly used to solve the fusion of point and trace sequence after multi-frame joint detection, the present invention proposes a multi-sensor and multi-frame joint detection and tracking method based on point and trace sequence fusion to achieve more accurate target state estimation
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[0046] In order to facilitate those skilled in the art to understand the technical content of the present invention, the content of the present invention will be further explained below in conjunction with the accompanying drawings.
[0047] Such as figure 1 Shown is the method block diagram of the present invention, the technical scheme of the present invention is: a kind of multi-sensor multi-frame joint detection and tracking method based on dot trace sequence fusion, including two algorithm modules: local multi-frame joint detection module and fusion center dot trace Sequence fusion algorithm module; in the local multi-frame joint detection module, the local value function of each sensor is obtained through value function accumulation, and by comparing with the detection threshold, the target state is estimated for the sensor that detects the target, and the point trace sequence of the sensor is obtained ; Transmit the trace sequences of all sensors that detect the target ...
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The invention discloses a multi-sensor and multi-frame joint detection and tracking method based on point sequence fusion, which is applied to the field of target detection and tracking, including: each sensor node performs multi-frame joint detection locally to obtain the target point trace sequence of each sensor node ; and the target point trace sequence of the sensor node is transmitted to the fusion center; the fusion center fuses the target point trace sequence of multiple sensor nodes through particle filtering, thereby outputting the global estimation of the target state; the method of the present invention realizes multiple Frame joint detection improves the system's ability to detect weak targets, and at the same time, the particle filter is used in the fusion center to fuse the trace sequences provided by multiple sensors to achieve more accurate target state estimation.
Description
technical field [0001] The invention belongs to the field of target detection and tracking, in particular to a distributed multi-sensor fusion and multi-frame joint detection technology. Background technique [0002] Multi-sensor fusion technology can jointly utilize the original echo data or data processing results provided by multiple sensor nodes in space for unified processing. Compared with a single sensor, this technology can grasp more comprehensive data information and obtain more stable and reliable results. In recent years, this technology has been gradually applied to the field of target detection and tracking. In general, multi-sensor fusion techniques can be divided into two categories: centralized fusion and distributed fusion. The centralized fusion method does not process the echo data locally, but sends them directly to the fusion center for joint processing. Although this method avoids the loss of local data information, the transmission cost is high and...
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IPC IPC(8): G01S7/41
CPCG01S7/411
Inventor 易伟王经鹤袁野文鸣孔令讲王亚茹李武军
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA