Method for people counting in doorway on DSP video gathering device
A technology of video acquisition and equipment, which is applied in closed-circuit television systems, single input/output registers, calculations, etc., can solve problems such as high maintenance costs, easy wear and tear of equipment, and inability to install, and achieve accurate calculations, The effect of large detection range and convenient maintenance
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[0020] Such as figure 1 As shown, the method for counting the number of importers and exporters based on DSP video acquisition equipment provided by the present invention includes the following steps:
[0021] Step 1. Abstract the human head feature model into an elliptic curve model, establish a human head feature library based on the elliptic curve model, and write it into the detection equipment library for linear correlation use;
[0022] The specific steps are as follows: Step 1.1, according to the approximate circular characteristics of the human head, abstract the human head feature model into figure 2 As shown in the elliptic curve model, the center point of the elliptic curve model is (x 0 , Y 0 ), the length of the vertical centerline of the elliptic curve model is a, the length of the horizontal centerline of the elliptic curve model is b, the angle between the vertical centerline of the elliptic curve model and the vertical line is θ, the circumferen...
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