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| in graphic imaging, the undesirable components resulting from the cominbation of signals or inadequate preparation of signals prior to digitization |
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the smoothing and removing of alising effects by electronic filtering and other techniques, such as blending of hard edges. also blending object-oriented art with bit-mapped art some current systems and hardware gnerates have automatic anti-aliasing circuitry |
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an acronym forth American Standard Code for information exchange, which converts keyboards input into digital information. it covers all the printable and control characters |
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| in computer graphics, the image's relationship of width to height, which must be kept the same when it is displayed on several screens |
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| stair-stepping of shades in a gradient or in a blend |
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| mathematically defined curves made up of four points, two ends and two in between, that affect its shape |
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| a rasterized graphic image formed by a rectangular grid of pixels or dots |
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| the joining of two or more colors without a noticeable line |
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the art of softening the detail of a digital image the process can applied selectively to a portion of an image |
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| in 3D imaging it translates brightness value into the height of the surface of the object |
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| Compact Disk Recordable, writes data to discs, which can e then read by standard CD-ROM drives |
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Compact Disk Read only Memory, a data storage system which holds up to 700 MB of information (DVD 4.7 gig) playback is through a CD-ROM drive unit that uses a laser to read impressions mechanically pressed in a plastic disc |
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| the speed of the computer is measured by electronic circuits in a internal timing device |
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| abbreviation for Cyan, Magenta, Yellow and Black, printers process colors or inks |
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| a medium representing its own range of colors, including that which is applied to film, a monitor, printed images or the human eye |
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| the process of combining images artwork line art, and type either photomechanically or by computer |
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the ratio of original size of an uncompressed file to it's compressed size after compression (i.e. 1200 kb to 600 kb or 50%) to increase storage capacity or faster transmission |
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| a marked difference between edges and an overall harshness where the number of colors are reduced so that contrast is artificially achieved by reducing grey edges |
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stands for continuous tone generally relates to photography because it contains multiple and seamless transitions or tones |
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| simple act of copying and removing a part of an iamge or text and then placing a copy in a new location |
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| to open or reverse a compressed file to un-compressed |
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| a preset option which is assumed to be normal when no other parameters are set |
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| the degree of opacity of an image |
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| software that tells the computer how to communicate with a peripheral device, i.e. printer, CD-ROM, monitor, etc. |
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| the process of converting analog data to digital information |
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| a catalog of computer contents/files |
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a halftone dot used in color separations halftone dots have fixed density of CMYK, but variable size. by varying the size and shape of a halftone dot, continuous-tone color can be created |
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| the process of sending data to another computer or peripheral device |
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| abbreviation for dots per inch, the number of distince pixels that can be produced horizontally or vertical in a linear inch |
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| to depress the mouse button, pull a portion of the screen image to another spot and position or drop it |
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| acronym for DeskTop Publishing, including typesetting, image handling and page composition |
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| abbreviation for Document Exchange Format used for CAD images, such as AutoCAD from Autodesk |
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Encapsulated Postcript Format: an Adobe graphic file format EPS translates graphics and text into a code which the printer can read and print EPS files hold both low-resolution view files and high-resoltuion Postscript image descriptions They also tend to be larger than straight Postscript files |
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| a program that can be run, EXE, like PhotoShop.EXE |
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| the process of merging borders or softening the edge around a mask |
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Apple's proprietary name for the IEEE 1394 interface. It is a personal computer serial bus interface standard, offering high-speed communications and has replaced Parallel SCSI |
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a computer operating arrangement of data, words, letters, characters, files a kind of file like a Tiff, Jped, or PSD |
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Compuserve's Graphics Interchange Format. A common, compressed Internet format. Generally best for flat color rather than photographic or graduated color |
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| Gigabyte or 1,073,741,824 bytes of memory or about one thousand megabytes (MB) |
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| a smooth transition between black and white or from one color to another |
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| a built-in storage medium which holds large amount of data that can be accessed rapidly depending on the power of the computer |
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| a small graphic image on the screen used to represent files, applications or directories |
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comparable to data processing where a pixel based 'paint' file can be manipulated by color, size, resolution and position PhotoShop is an image processor |
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portable digital audio media players designed and marketed beginning in 2001 by apple can also serve as an external dta storage device, video player (2007), mobile phone or Internet device |
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