USN t0cv764

Max. Marks:100

(10 Marks)

(08 Marks)

(04 Marks)

(04 Marks)

(08 Marks)(08 Marks)

Seventh Semester B.E. Degree Examination, Dec.2013 /Jan.20l4Photogrammetry and Remote Sensing

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Time 3 hrs' Note: Answer FrvEfull questions, selecting

at least TWO questions from each part.

PART _ AI a. i) Explain about Terrestrial photographs.

ii) Explain about photo theodolite.iii) Adva,ntages of aerial photographs.

b. Explain:i) Focal length.iil Fiducial marksiii) Nadir pointiv) Mosicsv) Verricalphotograph.

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3 a. What are stereoscoper? Name any two stereoscoper.

PART _ B

Explain about passive and active sensors.Explain about:i) Spectral resolutionii) Spatial resolutioniil) Radiometric resolutioniv) Temporalresolution.

c. Explain the different types of platforms used in the remote sensing.1 of2

(03 Marks)(03 Marks)(04 Marks)

a. Derive expression for scale of vertical photograph over flat terrain with figure. (0S Marks)b. Explain: i) Relief displacement: ii1 Overlaps. (04 Marks)c. Assume a vertical photograph was taken at a flying height of 5000m above MSL using a

camera with a 152mm focal length lens.

D Determine the photoscale ai pt A and B which lie at elevation of 1200m and 1960m.ii) What ground distance corresponds to a 20.lmm photo measured at each of there

b. Derive an expression for parallax equation for determing elevation and ground co-ordinateof a point. (10 Marks)

c. The meanprincipal base of a pair of photo graphs taken from analtitude of 5500m abovemean sea level is 92mm. The difference of parallax between 2 points is 1.50mm. If theelevation of the lower pt is 480m from MSL. What is the elevation of higher point?

(06 Marks)

What are the general processor involved in EM (Electromagnetic) remote sensing. (08 Marks)Draw a neat sketch of electromagnetic spectrum. (04 Marks)Explain the interaction mechanism of EM radiation with Earth atmosphere. (08 Marks)

4a.b.

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5a.b.

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(10 Marks)(06 Marks)(04 Marks)

6 a. What you mean by DIP? Explain the types of RS data formate.b. What you mean by image enhancement? Explain any 2 t1pes.c. Explain 2 types of image filtering.

2 of2

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