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2. Reverse video - Wikipedia

   en.wikipedia.org/wiki/Reverse_video

   Reverse video (or invert video or inverse video or reverse screen) is a computer display technique whereby the background and text color values are inverted. On older computers, displays were usually designed to display text on a black background by default. For emphasis, the color scheme was swapped to bright background with dark text.

3. Composite video - Wikipedia

   en.wikipedia.org/wiki/Composite_video

   A composite video signal combines, on one wire, the video information required to recreate a color picture, as well as line and frame synchronization pulses. The color video signal is a linear combination of the luminance (Y) of the picture and a chrominance subcarrier which carries the color information (C), a combination of hue and saturation .

4. Gamma correction - Wikipedia

   en.wikipedia.org/wiki/Gamma_correction

   luma is the encoded video brightness signal, i.e., similar to the signal voltage V S. One contrasts relative luminance in the sense of color (no gamma compression) with luma in the sense of video (with gamma compression), and denote relative luminance by Y and luma by Y′, the prime symbol (′) denoting gamma compression. [40]

5. Color correction - Wikipedia

   en.wikipedia.org/wiki/Color_correction

   Color correction is a process used in stage lighting, photography, television, cinematography, and other disciplines, which uses color gels, or filters, to alter the overall color of the light. Typically the light color is measured on a scale known as color temperature , as well as along a green – magenta axis orthogonal to the color ...

6. Negative (photography) - Wikipedia

   en.wikipedia.org/wiki/Negative_(photography)

   A negative color image is additionally color-reversed, [6] with red areas appearing cyan, greens appearing magenta, and blues appearing yellow, and vice versa. Under a phenomenon known as the ‘negative picture illusion’, a negative image can be briefly experienced by the human visual system where an afterimage persists subsequent to a ...

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   Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.

8. Blend modes - Wikipedia

   en.wikipedia.org/wiki/Blend_modes

   This is the standard blend mode which uses the top layer alone, [3] without mixing its colors with the layer beneath it: [example needed] (,) =where a is the value of a color channel in the underlying layer, and b is that of the corresponding channel of the upper layer.

9. Image color transfer - Wikipedia

   en.wikipedia.org/wiki/Image_color_transfer

   The image modification process is sometimes called color transfer or, when grayscale images are involved, brightness transfer function (BTF); it may also be called photometric camera calibration or radiometric camera calibration. The term image color transfer is a bit of a misnomer since most common algorithms transfer both color and shading ...