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What does projector motion compensation mean, is it necessary to enable motion compensation?

  • 2022-04-26
What does motion compensation mean

A video sequence contains a certain number of pictures, usually called frames. Sometimes when we use projection equipment to watch movies, games or other high-speed images, we often encounter problems such as unclear image quality, severe smearing, and jittering. It does not reach the limit of 55 frames that the human eye can perceive, so our viewing experience will be very poor.



Then the motion compensation technology came into being. The motion compensation function is to improve the smoothness of the picture through algorithms, and process the original 24 frames of video into 60 frames or even 120 frames, so as to avoid problems such as picture jitter, ghosting and smearing. In fact, the principle of motion compensation is very simple. It is to let the built-in chip of the projector predict by itself what the next frame will be after each frame, that is, to judge the motion trajectory of the dynamic picture, and then generate the picture frame that is not in the original video, insert it into to the original frame. This naturally makes the picture more coherent, reduces the smear of the picture, and the picture is naturally clearer.



Does motion compensation need to be turned on?

So now smart projectors basically support the motion compensation function, so there is another question: Does motion compensation need to be turned on all the time? In fact, it is not necessary to turn on motion compensation all the time. When we are playing ultra-high dynamic pictures, such as high frame rate games or sports games, then turning on the motion compensation function will have better picture effects and better experience; if If the low dynamic picture is played, such as an online TV series, there is no need to turn on motion compensation, because there is no obvious change effect. Therefore, whether to enable motion compensation needs to be decided according to the actual situation.



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