Sample Question Paper

M.E DEGREE EXAMINATION

II SEMESTER

(Multimedia Technology)

CP9167 DIGITAL IMAGE PROCESSING

PART – A

1. How is difference between uniform and non-uniform sampling and quantization?

2. What is meant by pixel connectivity? List some pixel connectivity measures.

3. What is the difference between image enhancement and image restoration?

4. What is the difference between spatial and frequency domain filtering? Which is better.

5. What is the difference between thresholding and edge detection algorithms?

6. What is the need for edge linking?

7. What is meant by multiresolution analysis?

8. What is meant by image entropy? How is useful for image compression?

9. What is meant by image fusion? What is the necessity for it?

10. What is meant by digital watermarking?

PART – B

11. Explain in detail FFT algorithm? How 8-points FFT is implemented.

12. (A). Explain the concept of spatial filtering? List out and explain low, high and band pass filtering.

                                                                        OR

     (B) Explain the need for Image enhancement. Explain any two image enhancement algorithms.

13. Explain in detail single and multiple thresholding algorithms?

                                                            OR

13. (B) Explain the region growing algorithms with an example.

14. (A) Explain in detail JPEG compression scheme.

                                                            OR

14. (B) Explain in detail edge linking algorithms.

15. (A) Write short notes on:

             1. Image watermarking

             2. Image Steganography

                                                            OR

15. (B) Write short notes on:

             1. Image Understanding

             2. Motion Segmentation