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Color Management and Correction in Video Production

Color Management and Correction in Video Production. Oke Mudiaga Innocent Digital Information Provision. Contents. Thesis Objective Color Theory Color Space Video Analysis Color Correction Techniques Applications of Color Correction. Thesis Objective.

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Color Management and Correction in Video Production

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  1. Color Management and Correction in Video Production Oke Mudiaga Innocent Digital Information Provision

  2. Contents • Thesis Objective • Color Theory • Color Space • Video Analysis • Color Correction Techniques • Applications of Color Correction

  3. Thesis Objective • Learn the different color correction techniques • Compare Adobe Premiere 7.0 and Pinnacle Liquid silver color correction tool • Produce color correction application in CD-rom format

  4. Color Theory • Color = Light

  5. Color Theory Contd • Perception of color

  6. Color Theory contd • Color reproduction • Additive Color mixing

  7. Color Theory Contd • Subtractive Color mixing

  8. Color Space • A color space is a model for representing set of colors numerically or mathematically in terms of three or more coordinates. • Color space can be mapped into a 2-D, 3-D, or 4-D coordinate system similar to a Cartesian coordinate system.

  9. Color Space Contd

  10. Color Space Contd • Examples of color space includes RGB, YIQ,YUV,YCrBr, and CMYK.

  11. Monitoring Tools • Video Signals can be analyzed with the aid of monitoring tools • Monitoring tools can be hardware based or software based . • Monitoring tools include Waveform monitor, Vectorscope, cubeview and Histogram.

  12. Waveform Monitor • Waveform allows color adjustment in a video image. • The waveform view displays of the luminance or brightness of the video signal • Helps to keep the broadcast level legal

  13. Waveform Monitor contd

  14. Histogram • histogram breaks the video signal down into individual pixels . • The histogram also displays the individual red, green and blue channels

  15. Histogram contd

  16. Vectorscope • vectorscope measures the chrominance, or color components, of a video signal, including hue and saturation. • vector scope maps a video's color information onto a circular chart.

  17. Vectorscope contd

  18. Color Correction Technique • Primary Color Correction • Secondary Color Correction • Six Vector Color Correction

  19. Primary Color Correction • The primary color correction tool enables the overall balance of the image to change • Used to create black and white images • Done by adjusting the hue and saturation

  20. Primary Color Correction

  21. Seconday Color Correction • Secondary color correction enables the selection of a particular color . • Used when changing a particular color to another

  22. Secondary Color Correction

  23. Six Vector • Six vector secondary color corrections allows the selection of a particular color and others that falls under the same range

  24. Six Vector Color Correction

  25. Applications of Color Correction • Create Night scene • create special FX • Scene to scene Balancing • Making an object Visible

  26. Conclusion • Discover that Pinnacle Liquid silver correction tool is easier to use that Adobe Premiere 7.0

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