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QUESTION
(a) Describe the following Mean Filters used as Noise Reduction filters:
1. Arithmetic Mean Filter.
2. Geometric Mean Filer.
3. Harmonic Mean Filter.
You are also required to indicate which type of noise they are best adapted for.
(b) Differentiate between the Ideal Low Pass and Ideal High Pass filters in the Frequency domain using the Fourier Transform.
(c) Briefly give the steps of how you would perform filtering in the Frequency Domain.
Explain the merits and demerits of Penetration techniques. The merits and demerits of the Penetration techniques are as follows: It is an inexpensive method. It h
De Casteljau Algorithm For computation of Bézier curves an iterative algorithm known as de Casteljau algorithm is used. The algorithm uses repeated linear interpolation.
WPG: It is word perfect graphic file that is used via Word Perfect. It first came out with the release of word perfect 5.0. Such files can include bitmaps, line arts and vector gr
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
Question: Explain how computer graphics would play a useful role in education and training. Answer: Computer graphics has occupied an important role in education and training.
Ray Tracing: Ray t racing is the technique to determine which objects in the scene are visible. In this to identify the visible surface for each pixel we continue to bounce the
What are the advantages of rendering polygons by scan line method? i. The max and min values of the scan were simply found. ii. The intersection of scan lines with edges i
Rotation - 2-D and 3-D transformations Within 2-D rotation, an object is rotated via an angle θ along w.r.t. the origin. This angle is assumed to be +ive for anticlockwise rot
diagram of raster scan display processor
Key Frame Systems - computer animation This method is for low-level motion control. In fact these systems comprise languages that are designed simply to produce the in-between
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