Dip Exam.docx

DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING UNIVERSITY COLLEGE OF ENGINEERING, OSMANIA UNIVERSITY DIGITAL IMAGE PROCESSING (ELECTIVE-1) INTERNAL EXAM---1 TIME: 1hr

Marks: 20M

Part –A: Answer all questions (10M) 1. 2. 3. 4. 5. 6. 7.

Define image.[1] Specify the elements of DIP system.[1] Differentiate between Photopic and Scotopic vision.[1] Define Weber ratio.[1] Explain the separability property in 2D- Fourier Transform.[2] Explain Mach-Band pattern.[2] Define DCT for 2D.[2]

Part-B: Answer Any TWO (10M) 1. Describe the fundamental steps involved in Digital Image Processing. [5] 2. (a) Write short notes on neighbours of a pixel.[3] (b) Find the number of bits required to store a 256 x 256 image with 32 gray levels. [2] 3. Find the values of 1D Walsh transform kernel matrix for N=8. [5]

DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING UNIVERSITY COLLEGE OF ENGINEERING, OSMANIA UNIVERSITY DIGITAL IMAGE PROCESSING (ELECTIVE-1) INTERNAL EXAM---1 TIME: 1hr

Marks: 20M

Part –A: Answer all questions (10M) 1. Define image.[1] 2. Specify the elements of DIP system.[1] 3. Differentiate between Photopic and Scotopic vision.[1] 4. Define Weber ratio.[1] 5. Explain the Separability property in 2D- Fourier Transform.[2] 6. Explain Mach-Band pattern.[2] 7. Define DCT for 2D.[2] Part-B: Answer Any TWO (10M) 1. Describe the fundamental steps involved in Digital Image Processing. [5] 2. (a) Write short notes on neighbours of a pixel.[3] (b) Find the number of bits required to store a 256 x 256 image with 32 gray levels. [2] 3. Find the values of 1D Walsh transform kernel matrix for N=8. [5]