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Graphics

termdefinition
Rastor Graphic a dot matrix data structure that represents a generally rectangular grid of pixels,
Vector Graphics computer graphics images that are defined in terms of 2D points, which are connected by lines and curves to form polygons and other shapes.
GIF a bitmap image format that was developed by a team at the bulletin board service provider CompuServe led by American computer scientist Steve Wilhite
JPEG a commonly used method of lossy compression for digital images, particularly for those images produced by digital photography.
PNG a raster graphics file format that supports lossless data compression. PNG was created as an improved, non-patented replacement for Graphics Interchange Format, and is the most widely used lossless image compression format on the Internet.
BMP a raster graphics image file format used to store bitmap digital images, independently of the display device (such as a graphics adapter), especially on Microsoft Windows.
Pixel a minute area of illumination on a display screen, one of many from which an image is composed.
Dots per inch Dots per inch is a measure of spatial printing or video or image scanner dot density, in particular the number of individual dots that can be placed in a line within the span of 1 inch.
cropping removal of unwanted outer areas from a photographic or illustrated image.
resizing alter the size of (something, especially a computer window or image).
Aspect Ratio the ratio of the width to the height of an image or screen.
Resampling reducing or increasing its number of pixels. An image can also be resized for printing without resampling and altering its physical structure.
Image map a list of coordinates relating to a specific image, created in order to hyperlink areas of the image to different destinations
hot spot an ad hoc wireless access point that is created by a dedicated hardware device or a smartphone feature that shares the phone's cellular data.
Thumbnail A thumbnail image is a small image that represents a larger one. Thumbnails are often used to provide snapshots of several images in a single space.
Resolution a measure used to describe the sharpness and clarity of an image or picture and is often used as a metric for judging the quality of monitors, printers, digital images and a various other hardware and software technologies
Created by: emma_gman_
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