M.Sc. (Semester II) (CBCS) Examination Mar/Apr-2018
Geoinformatics
DIGITAL IMAGE PROCESSING
Time: 2½ Hours
Max. Marks: 70
Instructions: All questions carry equal marks. Q. 1 is compulsory. Answer any two questions from Q.2, 3 4. Answer any two questions from Q.5, 6 7. Answer any five questions.
Q.1
Fill in the blanks:-
14
is the one of the format of digital image file.
DNA
DIP
BSQ
SQL
Errors in the image Matrix known as
RMS error
Kappa Coefficient
Rectification
Geometric Error
In phase of image processing where correct the distorted or degraded image for faithful presentation of original scene.
Classification
Enhancement

Rectification
Modification
In file format of the image where band wise data store.
BIL
BIP
CCD
BSQ
is the step not belongs to image enhancement.
Band ratio
Geometric errors
Contrast stretch
Spatial filtering
is the pictorial representation of the real scene.
Digital image
Camera
Photo
Map
In Digital Image, data record in the Digital Number per pixel called as
Brightness Value
Numerical Value
Picture
RS Value
enhancement technique expand the range of the brightness value.
Contrast
Spatial Filter
Edge Enhancement
Band Ratio
Transformation of remotely sensed image to get scale and projection is called
Atmospheric Correction
Radiometric Correction
Geometric Correction
Remote Data Correction
10) 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
None of above
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SLR-UM-450
11) In classification techniques the input of the training areas data are not required for classification.
Supervised
Image Classification
Unsupervised
Spatial filtering
12) errors correspond to non diagonal column elements.
Commission
Omission
Kappa
All of the above
13) In filter block the High frequency components for smoothen the image.
Low Frequency
Spatial
High Frequency
convolution
14) used for correction of missing scan line.
Averaging method
Atmospheric method
Dark Pixel Subtraction
Regression
Q.2
What is image Classification? Explain the methods of Image Classification.
14
Q.3
Discuss the importance of image Enhancement? Explain any two enhancement methods with detail.
14
Q.4
What is Digital image? Discuss the Digital Image File Storage Formats.
14
Q.5
Write short notes on:
14
Correction of missing scan line
Contract stretching method
Q.6
Write briefly on the following.
14
Spatial Filtering
Atmospheric Correction
Q.7
Write small account on:
14
Geometric Correction
Error matrix