60Appendix C: Glossary
•Grab
To acquire an image from a camera.
•Horizontal sync
The part of a video signal that indicates the end of a line and the start of a new one. See also vertical sync.
•HSL
A color space that represents color using components of hue, saturation, and luminance. The hue component describes the actual color of a pixel. The saturation component describes the concentration of that color. The luminance component describes the combined brightness of the primary colors.
•Host
In general, Host refers to the principal CPU in one’s computer.
•Interlaced scanning
Describes a transfer of data in which the
See also progressive scanning.
•Latency
The time from when an operation is started to when the final result is produced.
•Live processing