Color Color Management and Management and

Correction in Correction in Video ProductionVideo Production

Oke Mudiaga InnocentOke Mudiaga InnocentDigital Information ProvisionDigital Information Provision

ContentsContents

Thesis ObjectiveThesis Objective Color TheoryColor Theory Color SpaceColor Space Video AnalysisVideo Analysis Color Correction TechniquesColor Correction Techniques Applications of Color CorrectionApplications of Color Correction

Thesis ObjectiveThesis Objective

Learn the different color correction Learn the different color correction techniquestechniques

Compare Adobe Premiere 7.0 and Compare Adobe Premiere 7.0 and Pinnacle Liquid silver color Pinnacle Liquid silver color correction toolcorrection tool

Produce color correction application Produce color correction application in CD-rom formatin CD-rom format

Color TheoryColor Theory

Color = LightColor = Light

Color Theory ContdColor Theory Contd

Perception of colorPerception of color

Color Theory contdColor Theory contd Color reproductionColor reproduction Additive Color Additive Color

mixingmixing

Color Theory ContdColor Theory Contd

Subtractive Color Subtractive Color mixingmixing

Color SpaceColor Space

A color space is a model for A color space is a model for representing set of colors representing set of colors numerically or mathematically in numerically or mathematically in terms of three or more coordinates. terms of three or more coordinates.

Color space can be Color space can be mapped into a 2-mapped into a 2-D, 3-D, or 4-D coordinate system D, 3-D, or 4-D coordinate system similar to a Cartesian coordinate similar to a Cartesian coordinate system.system.

Color Space ContdColor Space Contd

Color Space ContdColor Space Contd

Examples of color space includes Examples of color space includes RGB, YIQ,YUV,YCrBr, and CMYK.RGB, YIQ,YUV,YCrBr, and CMYK.

Monitoring ToolsMonitoring Tools

Video Signals can be analyzed with Video Signals can be analyzed with the aid of monitoring toolsthe aid of monitoring tools

Monitoring tools can be hardware Monitoring tools can be hardware based or software based .based or software based .

Monitoring tools include Waveform Monitoring tools include Waveform monitor, Vectorscope, cubeview and monitor, Vectorscope, cubeview and Histogram. Histogram.

Waveform MonitorWaveform Monitor

Waveform allows color adjustment in Waveform allows color adjustment in a video image. a video image.

The waveform view displays of the The waveform view displays of the luminance or brightness of the video luminance or brightness of the video signalsignal

Helps to keep the broadcast level Helps to keep the broadcast level legallegal

Waveform Monitor contdWaveform Monitor contd

HistogramHistogram

histogram breaks the video signal histogram breaks the video signal down into individual pixels .down into individual pixels .

The histogram also displays the The histogram also displays the individual red, green and blue individual red, green and blue channelschannels

Histogram contdHistogram contd

Vectorscope Vectorscope

vectorscope measures the vectorscope measures the chrominance, or color components, chrominance, or color components, of a video signal, including hue and of a video signal, including hue and saturation. saturation.

vector scope maps a video's color vector scope maps a video's color information onto a circular chart. information onto a circular chart.

Vectorscope contdVectorscope contd

Color Correction Color Correction TechniqueTechnique

Primary Color Correction Primary Color Correction Secondary Color CorrectionSecondary Color Correction Six Vector Color CorrectionSix Vector Color Correction

Primary Color CorrectionPrimary Color Correction

The primary color correction tool The primary color correction tool enables the overall balance of the enables the overall balance of the image to change image to change

Used to create black and white Used to create black and white imagesimages

Done by adjusting the hue and Done by adjusting the hue and saturationsaturation

Primary Color CorrectionPrimary Color Correction

Seconday Color Seconday Color CorrectionCorrection

Secondary color correction enables Secondary color correction enables the selection of a particular color .the selection of a particular color .

Used when changing a particular Used when changing a particular color to anothercolor to another

Secondary Color Secondary Color CorrectionCorrection

Six VectorSix Vector

Six vector secondary color Six vector secondary color corrections allows the selection of a corrections allows the selection of a particular color and others that falls particular color and others that falls under the same rangeunder the same range

Six Vector Color Six Vector Color CorrectionCorrection

Applications of Color Applications of Color CorrectionCorrection

Create Night sceneCreate Night scene create special FXcreate special FX Scene to scene BalancingScene to scene Balancing Making an object VisibleMaking an object Visible

ConclusionConclusion

Discover that Pinnacle Liquid silver Discover that Pinnacle Liquid silver correction tool is easier to use that correction tool is easier to use that Adobe Premiere 7.0Adobe Premiere 7.0