Tuesday, February 8, 2011

Graphics Terms

Animated gif: The Graphics Interchange Format (GIF) is a bitmap image format that was introduced by CompuServe in 1987 and has since come into widespread usage on the World Wide Web due to its wide support and portability.

JPEG: Joint Photographic Expert Group a compression algorithm for condensing the size of image files

Pixel: the smallest discrete component of an image or picture on a CRT screen (usually a colored dot)


bmp: Bitmap Image Format is an image file format

flip: turn upside down, or throw so as to reverse

video card: A piece of hardware installed into a personal computer to allow it to send video signals to an external output device such as a monitor or projector

crop: cut short

mirror: duplicating

fps (frames per second): Frame rate, or frame frequency, is the frequency (rate) at which an imaging device produces unique consecutive images called frames.



frame: a single image out of a sequence of images

morph: cause to change shape

cpu: central processing unit, that does most of the data processing

dpi: dots per inch
 

resolution: the number of pixels per square inch on a computer-generated display


file extension: A filename extension is a suffix to the name of a computer file this is widely used, but fragile as common suffixes such as ".mol" and ".dat 

compression: make more compact by or as if by pressing

frame buffer: a buffer that stores the contents of an image pixel by pixel

colour depth: describing the number of bits used to represent the color of a single pixel in a bitmapped image or video frame buffer

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