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Improving GIF Compression: Features of LZW compression can be used to enhance its efficiency and thereby decrease the size of your graphic interchange format graphics. The strategy is to decrease the number of colours in your graphic interchange format image to the minimum number essential and to remove stray colours which are not required to present the image. A graphic interchange format graphic cannot have more than 256 colors although it can have fewer colours, down to a minimum of two as black and white. Images along with fewer colours will compress more efficiently in LZW compression.
What is persistence and resolution? The time it takes the emitted light from the screen to decay one tenth of its original intensity is known as a persistence. The maximum
what is image precision?
Scan Line Polygon Fill Algorithm - Raster Graphics In such algorithm, the information for a solid body is stored in the frame buffer and utilizing that information each pixel
Write short notes on active and passive transformations? In the active transformation the points x and x| show different coordinates of the similar coordinate system. Here all
Reflection about a Line - 2-D and 3-D Transformations Reflection is a transformation that produces the mirror image of an object. Since we discussed that the mirror reflection
2-D Viewing and Clipping - Raster Graphics and Clipping In the previous two units of this block, we illustrated the basic elements of computer graphics, that is, the hardware
expalin 3-dimentional display methods
Area Filling Algorithms Before we go ahead with area filling algorithms, a word about pixel addressing and object geometry. You know that line segments are discretized into fin
Potentially entering and leaving points - P E and P L The intersection point of the line and window might be classified either like potentially leaving or entering. Before g
What is orthographic parallel projection? When the direction of the projection is normal (perpendicular) to the view plane then the projection is called as orthographic paral
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