Video image processing method, device and equipment
A technology of video image and processing method, which is applied in the direction of color signal processing circuit, brightness and chrominance signal processing circuit, etc., can solve the problems of poor adjustment effect and inability to automatically adjust the brightness and chroma of video image, etc., and achieve better display effect Good, less resource utilization, strong universal applicability
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[0032] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0033] The method of adjusting chroma and brightness through the HIS model generally includes two steps:
[0034] Step 1. Enhance the chroma saturation S, while enhancing the brightness contrast I.
[0035] Step 2. Expand the dynamic range of brightness and contrast I, and at the same time expand the dynamic range of chroma saturation S. The dynamic range of images with low brightness contrast is stretched more strongly, and vice versa.
[0036] In order to realize the automatic adjustment of the color saturation and brightness contrast of the real-time in...
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