Method and equipment for adjusting brightness and contrast
A brightness adjustment and contrast technology, which is applied in the video field, can solve the problems that the picture quality cannot be guaranteed, it is difficult to meet the user's viewing requirements, and the screen brightness is too high, so as to meet the viewing requirements and improve the display effect.
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[0052] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the embodiments of the present invention.
[0053] The core idea of the embodiment of the present invention is: based on the histogram statistical information of the input video field signal content, through adaptive brightness range adjustment and high-low end contrast adjustment, the dynamic range of the video signal is improved, so that the darker part of the image It becomes brighter and highlights more details, while ensuring that the brighter part...
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