High-altitude parabolic object detection method and device based on mixed vision
A high-altitude parabola, detection method technology, applied in image data processing, instrument, character and pattern recognition, etc., can solve the problems of mentioned cost, high false alarm rate, poor positioning performance, etc., to achieve cost reduction and low false alarm rate. , the effect of high positioning performance
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[0066] A kind of specific implementation mode that present embodiment provides is as follows:
[0067] Step S2.1. Obtain the event sequence within the preset time period and convert it into a corresponding mean time chart.
[0068] For example, if the preset time period is 20ms, the event sequence is read every 20ms, and the event sequence within 20ms is converted into an average time plane. Specifically, the time information of the event at the position (i, j) is t, and the cumulative number of events at the position (i, j) is I i,j .
[0069] In this embodiment, the event sequence within the preset time period is obtained first, and the time image is generated according to the following formula:
[0070]
[0071] This application discretizes the coordinates of the event, T i,j is the pixel value in the time image, (i, j) is the integer pixel coordinate after discretization, ∑t represents the time accumulation value of the event sequence on the coordinate (i, j) within ...
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