Sir J.C. BOSE SCHOOL OF ENGINEERINGDigital Image Processing (EE705D)1st Internal Test, B.TechDiscipline: EE 7th sem

Group AMultiple Choice Type Questions (Answer any five questions)1. Choose the correct alternatives. (5*1=5)1. The process of using known data to estimate values at unknown locations is calleda) Acquisitionb) Interpolationc) Pixilationd) None of the Mentioned

2. Which of the following is NOT an application of Image Multiplication?a) Shading Correctionb) Maskingc) Pixilationd) Region of Interest operations

3. The procedure done on a digital image to alter the values of its individual pixels isa) Neighbourhood Operationsb) Image Registrationc) Geometric Spatial Transformationd) Single Pixel Operation

4. In Geometric Spatial Transformation, points whose locations are known precisely in input and reference images.a) Tie pointsb) Rseau pointsc) Known pointsd) Key-points

5. In uniform PDF, the expansion of PDF is ____________________________.a) Portable Document Formatb) Post Derivation Functionc) Previously Derived Functiond) Probability Density Function

6. Which type of Histogram Processing is suited for minute detailed enhancements?a) Intensiveb) Localc) Globald) Random

7. What is the basis for numerous spatial domain processingtechniques?a) Transformationsb) Scalingc) Histogramd) None of the Mentioned Group B (5*2=10)Short type Questions (Answer any two questions) 1. Explain the Image degradation model for image restoration with flow diagram. Explain the parameters according to the spatial and frequency domain. (5) 2. Consider an image [2,2]. Perform the following operations and show the results of these transformations. a) Translate the image right by 3 units.b) Perform mirroring about x-axis.c) Rotate the image in x-axis by 45 degree. 3. Consider two images 1 0 01 1 1 f1 = 1 1 1 f2 = 1 1 1 0 0 1 1 1 1 (5)

Perform logical AND, OR,NOT and difference operations. Group C (15*1=15)Long type Questions (Answer any one question)

1. What is geometric transformation? Explain the method for gray level interpolation. (15) 2. Write short notes on the topics below. (5*3=15) a) Image Acquisitionsb) Image Enhancementc) Image Segmentation