IGNOU MGY-102 Remote Sensing and Image Interpretation - IGNOU Solved Assignment (Latest)

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IGNOU MGY-102 (January 2025 – July 2025) Assignment Questions

Part A

1. Describe spectral signatures of soils, minerals and rocks and the factors influencing it. Support your answer with neat well labelled diagrams, wherever required.

2. Discuss various types of image resolutions giving suitable examples.

3. Write short notes on the following:

a) Electromagnetic spectrum

b) Stefan-Boltzmann and Wien’s laws

c) Landsat series of satellites

d) Indian space programmes

e) BSQ data format

f) MODIS

Part B

4. Discuss the elements of aerial photo interpretation and interpretation keys.

5. Give an overview of image classification methods.

6. Write short notes on the following:

a) Minimum mappable unit

b) Digital image and its types

c) Field equipments required for ground truthing

d) Image enhancement

e) Post classification steps

f) Difference between true colour and false colour composites

IGNOU MGY-102 (January 2024 – July 2024) Assignment Questions

Part A

1. What is spectral signature? Describe the spectral signature of vegetation and the factors influencing it. Support your answer with neat well labelled diagrams, wherever required.

2. Explain the platforms and orbits used for remote sensing.

3. Write short notes on the following:

a) Scattering
b) QuickBird and IKONOS
c) Along track scanners
d) INSAT series of satellites
e) BIL data format
f) MERIS

Part B

4. What is ground truthing? Give an account of ground truth data collection.

5. Discuss the types of errors present in remote sensing images.

6. Write short notes on the following:

a) Visual image interpretation
b) Image histogram and its significance
c) Advantages of digital image interpretation
d) Signature evaluation
e) Accuracy Assessment
f) Colour Composite

MGY-102 Assignments Details

University	:	IGNOU (Indira Gandhi National Open University)
Title	:	Remote Sensing and Image Interpretation
Language(s)	:	English
Code	:	MGY-102
Degree	:	MSCGI PGDGI
Subject	:	Geoinformatics
Course	:	Core Courses (CC)
Author	:	Gullybaba.com Panel
Publisher	:	Gullybaba Publishing House Pvt. Ltd.