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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.
explain vecgen algorithem for line drawing in computer graphics
Phong Specular Reflection Model or Specular Reflection This model of local illumination is frequently termed as the Phong specular reflection model. Here we discuss the matter
What do you mean by scan conversion? A main task of the display processor is digitizing a picture definition given in an application program into a set of pixel-intensity valu
List out the merits and demerits of DVST? The merits and demerits of direct view storage tubes [DVST] are as follows It has a flat screen Refreshing of screen is
Write a polygon clipping algorithm to clip a polygon against rectangular clipping are. Read the vertices of polygon to be clipped. 2. Read the coordinates of the rectangular cl
Variation of Intensity - Modeling and Rendering According to the phong model the variation of Intensity (I) along with α (since I α cos n α) is: i) for shiny surface (
describe z-buffer algorithm removing hidden surface
List out the merits of Plasma panel display? Merits Refreshing is not needed Produce a very steady image free of Flicker Less bulky than a CRT. Demerits
explain text attributes?
Explain process of displaying objects in raster display and random display. Draw block diagrams of the architecture of both the display systems.
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