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Luminance Signal - YLuminance - Y is the part of a video signal that describes the amount of light in each pixel. Luminance is equivalent to the signal provided by a monochrome camera. It may be generated as a weighted sum of the RGB signals in accordance with the formula: Y = 0.3R + 0.5G. + 0.11B. Luminance is differentiated from brightness in that the latter is non-measurable and sensory. The color video picture in-formation contains two components: luminance (bright-ness and contrast) and chrominance (hue and saturation). Luminance is the photometric quantity of light radiation.
MPEG Books
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Introduction to MPEG Book
This book explains the basics of audio and video digitization and compression and the standard formats that are used be MPEG. You will learn about the different MPEG audio coders and video coder options. $19.99 Printed, $16.99 eBook |
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