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GIF File Compression
The Graphic Interchange Format file format utilizes a relatively basic form of file compression which squeezes out inefficiencies within the data storage without lose data or distorting the image. The LZW compression scheme is finest at compressing images along with large fields of homogeneous colour. LZW is the compression scheme utilized in Graphic Interchange Format. This is less efficient at compressing complicated pictures along with many colours and complicated textures as demonstrated below with the assist of two graphics.
Example 1 : Determine the number of memory bits essential for three bit plane frame buffer for the 512 x 512 raster Solution: Whole memory bits needed are 3 x 512 x 512 = 786,
What is view distance? The view plane normal vector is a directed line segment from the view plane to the view reference point. The length of this directed line segment is ref
What is resolution? Ans. The maximum number of points that can be shown without an overlap on a CRT is known as resolution.
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What is orthographic oblique projection? When the direction of the projection is not normal (not perpendicular) to the view plane then the projection is called as oblique proj
Important Points about the Frame Buffers 1) Within a frame buffer, information storage starts from top left corner and goes until the bottom right corner. 2) By using this
Find Out Projection Matrix for Oblique Projection To find out projection matrix for oblique projection, we want to find out the direction vector d. Because vector PP' and vect
2-DIMENSIONAL TRANSFORMATION Modeling transformation is the mechanism to compose an image from modeling primitives. The modeling primitives are defined in their own coordinate
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