10. Write about perspective image transformation.
>Table of contents A perspective transformation (also called an imaging transformation) projects 3D points onto a plane. Perspective transformations play a central role in image processing...
Tuesday, 30 April 2013
9. Explain about the basic relationships and distance measures between pixels in a digital image.
>Table of contents Neighbors of a Pixel: A pixel p at coordinates (x, y) has four horizontal and vertical neighbors whose coordinates are given by (x+1, y), (x-1, y), (x, y+1), (x, y-1)....
Saturday, 27 April 2013
8. Explain about Aliasing and Moire patterns.
>Table of contents Aliasing and Moiré Patterns: Functions whose area under the curve is finite can be represented in terms of sines and cosines of various frequencies. The sine/cosine component...
Wednesday, 10 April 2013
7. Define spatial and gray level resolution. Explain about isopreference curves.
>Table of contents Spatial and Gray-Level Resolution: Sampling is the principal factor determining the spatial resolution of an image. Basically, spatial resolution is the smallest discernible...
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