11-06-2013, 12:48 PM
SEMESTER EXAMINATIONS FOR IMAGE AND VIDEO PROCESSING
IMAGE AND VIDEO.pdf (Size: 20.89 KB / Downloads: 16)
IMAGE AND VIDEO PROCESSING.pdf (Size: 20.32 KB / Downloads: 17)
Answer any five questions
All questions carry equal marks
1.a) What is meant by a pixel? Discuss the basic relationships between pixels.
b) Explain the 2D-Discrete Fourier Transform and its usage in image processing.
2.a) What is meant by sampling and quantization? Why it is required? Explain with an example.
b) What is meant by image sharpening? Discuss any two image sharpening filters in spatial domain.
3.a) Discuss the difference between spatial domain approach and frequency domain approach in image enhancement.
b) What is meant by image segmentation? Discuss any one technique in region based segmentation.
4.a) Distinguish between Lossy compressing and Lossless compression.
b) Explain the Huffman coding and predictive coding techniques.
5.a) What is meant by JPEG? Discuss JPEG standards.
b) Discuss clearly about photometric image formation.
6. Discuss various sampling and filtering operations on video signals.
7. What is meant by motion estimation? Discuss about the waveform based coding and block based coding.
8. Write a short note on the following:
a) Mesh based motion estimation
b) LZW coding
c) Edge detection.