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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 the need of homogeneous coordinates? To perform more than one transformation at a time, use homogeneous coordinates or matrixes. They decrease unwanted calculations in
Example 1: Draw line segment from point (2, 4) to (9, 9) by using Digital Differential Analyzer algorithm. Solution: We know usual equation of line is specified via y = mx
Algorithms for filled-area primitives These algorithms are classified into two categories (i) Scan line algorithms (ii) Seed fill algorithms.
normalization in detail
What is character generation?
Midpoint Circle Generation Algorithm Just as a line drawing algorithm approximates infinite number of points on a line segment by only a finite number of pixels, a circle dra
How many 128 x 8 RAM chips are needed to provide a memory capacity of 4096 16 bits?
Question: (a) Describe in details the meaning of the following terms often available in drawing tools: (i) Welding objects; (ii) Trimming objects; (iii) Intersecting obje
Q. What is the difference between tones and tints? Which one component of YIQ color model does black- and- white television use? How can you convert a ZTSC video signal to an RGB s
Non-Zero Accelerations - Computer Animation This method of simulating the motion is fairly helpful introducing the realistic displays of speed changes, particularly at the sta
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