A trajectory data space-time density analysis system and an analysis method thereof
A technology of trajectory data and density analysis, applied in data mining, electrical digital data processing, special data processing applications, etc., can solve the problems of lack of system, single application scope, etc. present intuitive effects
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[0064] In actual use, using the system of the present invention to analyze mainly includes the following steps:
[0065] Step 1: Read the trajectory data uploaded by the user;
[0066] Step 2: Judge the legitimacy of the data, that is, check whether the data contains latitude and longitude coordinates and time information, and prompt the user to retransmit if the detection is inappropriate, otherwise continue to step 3;
[0067] Step 3: Delete the attribute information irrelevant to the calculation of space-time density in the legal trajectory data, and only keep the latitude, longitude and time information of the trajectory points; the target trajectory data obtained after data preprocessing is shown in Table 1;
[0068] Table 1: Example of target trajectory data format
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