M.Sc. Geoinformatics (Semester-II) New (CBCS) Examination, 2017
Digital Image Processing
Day Date: Monday, 24-04-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
Instructions Answer any Five Questions.
All Questions carry equal marks.
Question No.1 is Compulsory.
Attempt any two from Q. NO.2,3 and 4
Attempt any two from Q.NO.5, 6 and 7.
Q.1 A Fill in the blanks: 14
Following error are not belongs to the radiometric error.
Atmospheric error Missing scan line
Contrast stretching Random noise error
Atmospheric path radiance introduce …….. in the image
whereby decreases the contrast of the data.
Haze Null Value Darkness None of above
In ……… data file format, pixels in all bands are written
together.
DIP BSQ BIP BIL
The ……………error those geometric errors can predict in
advance.
Systematic Non-Systematic
Atmospheric None of above
In ……… emphasize the high frequency components and
sharpen the edges.
LFF HFF BIP BIL
……… errors correspond to non diagonal column elements.
Commission Omission
Kappa All of the above
In Image ………….. stage, Image have capabilities to identify
and quantity the objects in the image.
Contrast stretch Rectification
Enhancement Classification
Errors in the image Matrix known as …………….
RMS error Kappa Coefficient
Rectification Geometric Error
Page 1 of 2
Histogram minimum method is also known as …………
technique.
Averaging Linear
Dark Pixel subtraction Non-Linear
10) In Digital Image, data record in the Digital Number per pixel
called as …………..
Brightness Value Picture
Numerical Value RS Value.
11) …………. Is displayed by placing the infrared, red, green in
the red, green and blue frame buffer memory.
False Color composition
True Color Composition
Color Composition
Non of above
12) Following error are not belongs to systematic Geometric
error.
Earth Rotation Satellite Altitude
Panoramic distortion Spacecraft Velocity
13) …….. is a widely used decision rule based on simple
Boolean "and/or" logic.
Maximum Likelihood Classifier
Parallelepiped Classifier Algorithm
Minimum Distance to Means Classifier
None of these
14) NDVI, RVI and TVI is one of the Image enhancement
methods called as……………
Spatial Filtering Contrast Stretching
Band Radioing Edge Enhancement
Q2 Discuss the importance of image Enhancement? Explain the image
enhancement methods in short
14
Q3 What are radiometric errors? Explain the atmospheric errors and
errors removal process?
Q4 What is contrast stretch? Apply linear contrast stretching method and
rearrange the DN value of the following image.
14
80 15 25 65
35 20 30 45
70 20 30 45
40 60 50 35
Q5 Write Short Note on 14
Errors Matrix
Band Combination
Q6 Write in brief on 14
Satellite Attitude and Altitude
Histogram Equalization
Q7 Write small accounts on 14
BSQ
Systematic Errors