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Name
Reg No

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
07 THRISSUR CLUSTER
SECOND SEMESTER M.TECH. DEGREE EXAMINATION APR 2018
CIVIL ENGINEERING DEPARTMENT
WATER RESOURCES AND HYDROINFORMATICS
07CE6406 REMOTE SENSING
Time 3 hours Max.Marks: 60
Answer all six questions. Part of each question is compulsory.
Answer either part or part of each question
Q.no. Module 1 Marks
1a What is Photogrammetry? Explain the basic geometric characteristics of aerial
photography.
4
Answer b or c
b Explain about flight planning. 5
c Assume that a vertical photograph was taken at a flying height of 5000 m
above sea level using a camera with 152 mm focal length lens.
Determine the photo scale at points A and which lie at elevations of
1200m and 1960m respectively.
What ground distance corresponds to a 20.1mm photo distance
measured at each of these elevations
5
Q.no. Module 2 Marks
2a What is an atmospheric window? Explain its significance in remote sensing. 4
Answer b or c
b Discuss the ideal and real in remote sensing 5
c Write short note on GPS. 5
Q.no. Module 3 Marks
3a Write short note on along track and across track scanners. 4
Answer b or c
b Discuss the principles behind thermal and microwave imaging system. 5
c List out the elements of image interpretation 5
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Q.no. Module 4 Marks
4a Discuss about the radiometric corrections applied in image restoration. 4
Answer b or c
b Explain about the spatial feature manipulation technique used in image
enhancement.
5
c Explain the various noise removal techniques. 5
Q.no. Module 5 Marks
5a Explain in detail about principle and canonical component analysis. 5
Answer b or c
b Differentiate between supervised and unsupervised classification. 7
c What is IHS transformation? 7
Q.no. Module 6 Marks
6a Write short note on role of remote sensing in landuse classification 5
Answer b or c
b Explain the role of remote sensing in flood mapping. 7
c Explain in detail about the application of remote sensing in snow mapping. 7