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Detection of moving objects in a real scene

I have series of photos of one scene that was photographed with unstabilized camera with shaking hands, for e.g. 10 seconds. The time interval between photos is not constatnt: 0.2s - 2s.

Is it possible with openCv to detect mooving objects - just get the rectangle they are filled in - like people or cars? The objects can not be colorod with any special color and the scene contains partialy mooving objects such as trees that "mooves" by the wind, but these should not be detected.
Also because of quite long time interval between each photo, the object, depending on it's velocity, can be quite distant from its previous position (on previous photo).

I am new to OpenCV, could you please suggest topics I should learn to get this done, ideally on Android ? Thanks!

Detection of moving objects in a real scene

I have series of photos of one scene that was photographed with unstabilized camera with shaking hands, for e.g. 10 seconds. The time interval between photos is not constatnt: 0.2s - 2s.

Is it possible with openCv to detect mooving objects - just get the rectangle they are filled in - like people or cars? The objects can not be colorod with any special color and the scene contains partialy mooving partially moving objects such as trees that "mooves" "moves" by the wind, but these should not be detected.
Also because of quite long time interval between each photo, the object, depending on it's its velocity, can be quite distant from its previous position (on previous photo).

I am new to OpenCV, could you please suggest topics I should learn to get this done, ideally on Android ? Thanks!