CIT891
1. The ___ exploits the fact that the energy of most natural images is largely intense in the low-frequency regions
—>> Transform coding
Predictive Coding
Huffman coding
Run length encoding
2. __ is not a demerit of fractal technology.
It is asymmetric
The encoding process is process intensive
—>> It is symmetric
None of the options
3. __ decomposes the input signal into low-frequency and high-frequency subbands
Fractal compression
—>> Wavelet coding
Vector Quantization
Transform coding
4. A specialized case of DPCM which quantizes the error signal using two quantization level only is the ___
Predictive modulation
Transform modulation
—>> Delay modulation
None of the options
5. The process of improving the pictorial information of images for human interpretation requires the all following processes except __
Enhancing the edges of an image to make it appear sharper
—>> Capturing details from an image
Obtaining the edges of an image
Removing motion blur from an image
6. Another term for the Differential Pulse Code Modulation is the ___
Transform coding
—>> Predictive Coding
Huffman coding
Run length encoding
7. ___ is the basis for most of the image and video compression algorithms, especially the still image compression standard JPEG in lossy mode and the video compression standards MPEG-1, MPEG-2, MPEG-4 and H.263
Discrete Sine Transform
—>> Discrete Cosine Transform
Discrete Hadamard Transform
Discrete Fourier Transform
8. The technique that produces the shortest possible average code length, given the source symbol set and the associated probability of occurrence of the symbols is the __
Predictive Coding
Run length encoding
Transform coding
—>> Huffman coding
9. __ is not a method used to describe the quantizer design in predictive coding scheme
fixed
uniform
—>> Linear
adaptive
10. All the following can serve as techniques used to describe the predictor design in predictive coding scheme except ____
Linear
Non-Linear
2-dimensional
—>> None of the options
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