Friday, February 11, 2011

Graphics Terms- Re-editied

Damon Salvatore
animated gif:
An animation created by combining multiple GIF images in one file. The result is multiple images, displayed one after the other, that give the appearance of movement.
jpeg:

set of standards and file format for compression of digital color images.


pixel:
Any of a number of very small picture elements that make up a picture, as on a visual display unit.


bmp:
In computer graphics, BMP stands for bit map, a file format for an image made up of dots or pixels.

 video card:
A circuit board fitted to a computer containing the necessary video memory and other electronics to provide a bitmap display.

fps (frames per second):
The unit of measurement of the frame rate(number of frames in an animation that are displayed everysecond) of a moving image.
frame:
A single one of a series of still transparent pictures forming a cinema, television or video film.
morph:
to transform (an image) by computer.
CPU:

central processing unit: the key component of a computer system, which contains the circuitry necessary to interpret and execute program instructions.
dpi:
dots per inch: a measure of the resolution of a typesetting machine, computer screen, etc.

resolution:
the degree of sharpness of a computer-generated image as measured by the number of dpi in a hard-copy printout or the number of pixels across and down on a display screen.

file extension:
The portion of a filename, following the final point, which indicates the kind of data stored in the file - the file type.

Compression:
Also called data compression. reduction of the storage space required for data by changing its format.

frame buffer:
Part of a video system in which an image is stored, pixel by pixel and which is used to refresh a raster image. A frame buffer holds one frame from a sequence of frames forming a moving image.

colour depth:
The number of bits of information stored per pixel of an image or displayed by a graphics adapter. The more bits there are, the more colours can be represented, but the more memory is required to store or display the image.
Crop:

To cut off, trim or mask the unwanted parts of image.
Mirror:
To reflect an image by flipping it on an axis.




(image flipped and moved to the left)
Flip:
to turn an image on an axis.

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