Hadoop-based recognition method for fake-licensed car
A recognition method and a technology for decked vehicles, which are applied in road vehicle traffic control systems, traffic control systems, structured data retrieval, etc., can solve problems such as time-consuming, poor stability, and insufficient storage space, and achieve reduction in matching times, High operating efficiency and speed-up ratio, effective recognition effect
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[0018] The specific implementation of the Hadoop-based method for identifying license plates provided by the present invention is mainly divided into 4 steps, such as figure 1 As shown, the architecture based on Hadoop cluster is as follows figure 2 Shown:
[0019] For the convenience of description, the relevant symbols are defined as follows:
[0020] P i : The i-th (i=1, 2,...,n) thread.
[0021] O={o 0 ,...,o i ,...,o n-1 }(0≤i≤n-1): collection of passing record objects.
[0022] D={d 0 ,...,d i ,...,d m-1 }(0≤i≤m-1): monitoring point collection.
[0023] T={t 0 ,...,t i ,...,t q-1 }(0≤i≤q-1): a collection of timestamps.
[0024] H: License plate number.
[0025] T: Passing time.
[0026] Dist(d i ,d j ): Monitoring point d i And d j The shortest path between.
[0027] S ij : Appear at the same time at the location number d i And d j Set of vehicle passing records.
[0028] TD H i,j = T i -t j :The same license plate H passes through monitoring point d i And d j Time difference.
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