ATI Technologies Component Video Adapter Guía de usuario descargar pdf (Pagina 56)

Color Correction

Correct discrepancies between the real color value and the way a screen

displays it. Color discrepancies can be caused by a variety of sources,

including the lighting conditions in the work area and gradual shifts in color

over time on monitors or flat panel displays.

Color Curve

A color curve represents all possible intensity values (from 0 to 255) for a

color component (Red, Green or Blue). For each color curve, the horizontal

axis represents the input value (the color value a program wants to display),

while the vertical axis represents the output value (the color value that the

display driver will write to the screen). A value of 0 (in the lower left

corner) represents the complete absence of that particular color, while a

value of 255 (in the upper right corner) represents the “full” strength for

that color.

Control Point

A control point is a user-created point on the color curve. Users can change

the color of the screen by moving the control points with a mouse.

CRT

Acronym for “cathode ray tube”, which is the main component of computer

monitors and TVs. Color CRTs use three separate electron beams fired

through a shadow mask and onto the back of the glass screen. The electron

beams activate separate red, green, and blue values in various strengths in

order to produce a colored image.

Direct 3D®

Part of Microsoft®’s DirectX API designed for rendering 3D graphics on

Windows® systems. It provides software developers with low-level access

to functions on graphics cards, providing the type of performance

necessary for intensive 3D applications such as games.

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ATI Technologies Component Video Adapter Guía de usuario Pagina 56