Criminal case joint investigation intelligent analysis method
An intelligent analysis and case technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems that are difficult to apply, affect the speed and efficiency of solving cases, and reduce the accuracy of manual analysis.
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[0057] Below in conjunction with accompanying drawing, the present invention is described in further detail:
[0058] The database for analysis and retrieval contains the data information of each criminal case, which includes the analysis results of existing cases and merged cases, and identifies the merged cases.
[0059] Step 1: Use the following steps to extract features from the image data and text data of each case in the database;
[0060] Step 10: There are footprint photos in the image that need to be preprocessed before feature extraction;
[0061] Step 101: determining the footprint area and the front and rear points of the footprint in the photo;
[0062] Step 102: Connect the front point of the footprint and the heel point into a line segment, take the midpoint of the line segment as the origin, set the line segment as the y-axis, and its vertical line as the x-axis, establish a regional coordinate system, and calculate each The position of the pixel point in thi...
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