Description

This snap uses a MobileNet SSD network to detect vehicles in a video stream, and then tracks them using the CSRT tracker algorithm implemented on OpenCV. The distance from the camera to the vehicles is then estimated by a simple formula using the bounding box for the vehicle and the camera's focal distance. The later is hard-coded in the code, so do not expect anything accurate: it is more of an example application.

The program is able to track multiple vehicles while still running the neural network for detections on the stream. Extensive multi-threading is used to accomplish this while at the same time trying to be as real-time as possible. This means that the trackers are fed with the latest available frames and some times older frames are not processed.

Sources can be found at https://github.com/alfonsosanchezbeato/car-distance-finder

Screenshots

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