There is a video stream . That is, infinite .
In the video there may be places that need to be blurred. Well, for example, the inscription "go all on ..." on the fence.
A handwritten program should analyze the video flow that it receives at the input, and if there is a fence and such an inscription, blur the inscription. And issue the same video with a blurred caption.
Or just a video without changes, if there is not this.
That is, as a filter.
How about this can be done? where to dig?