POST GRADUATE CERTIFICATE IN GEOINFORMATICS (PGCGI) Term-End Examination
00076
June, 2016
MGY-002 : REMOTE SENSING AND IMAGE INTERPRETATION
Time : 2 hours
Maximum Marks : 50
Note : All questions are compulsory. Marks for each question are indicated against it.
1. Answer all parts : (a) Fill in the blank spaces with appropriate word(s). 4x1=4 (i)
ISODATA is an abbreviation of
(ii) MIR stands for VHRR is an abbreviation of
(iv) LISS stands for MGY-002
1
P.T.O.
(b)
State if the following statements are 3x1=3 True (T) or False (F) : (i) Vegetation reflects highest in the green wavelength region. NDVI is useful to identify specifically the water features. (iii) Water and land features can be distinguished with the help of NIR band.
(c)
Match the items given in Column A with 3x1=3 those given in Column B : Column B
Column A
(i)
Whisk-broom
(ii) Digital Image
(1) Scanner (2) Resampling technique
(iii) Nearest neighbour (3) Filtering 2.
Write short notes on any four of the 4x5=20 following : (a) Image Fusion (b) Colour Composite (c) Spectral Signature of Vegetation (d) Error Matrix (e) Landsat Mission (f) Scattering (g) Sampling Pattern for Ground Truth Data Collection
MGY-002
2
3.
Discuss in detail image resolution and its types.
10
OR
4.
Explain energy-earth interaction in detail.
10
Discuss image classification with emphasis on supervised classification in detail.
10
OR Describe the elements of image interpretation with suitable examples.
(i) Hierarchical model organises data as a tree-like structure. (ii) Topological modelling comprises a set of functions which are used to process spatial and non-spatial data in order to facilitate the decision-making processes in GIS environment. (i
MGY-002 : REMOTE SENSING AND IMAGE. INTERPRETATION. Time : 2 hours. Maximum Marks : 50. Note : All questions are compulsory. Marks for each question are indicated against it. 1. Answer all parts : (a) Fill in the blank spaces with appropriate word(s)
(i) Hierarchical model organises data as a tree-like structure. (ii) Topological modelling comprises a set of functions which are used to process spatial and non-spatial data in order to facilitate the decision-making processes in GIS environment. (i
No. of Printed Pages : 3. POST GRADUATE CERTIFICATE IN ... manipulation of digital number of an image. ... digital images. (c) Spectral signature of vegetation.
(i) EVI. (1) Map accuracy. (ii) Thresholding (2) Band ratio. (iii) Kappa. (3) Enhancement. 2. Write short notes on any four of the following : 4x5=20. (a) Systematic radiometric errors. (b) Spatial resolution. (c) Spectral signature of soil. (d) Colo
00622. December, 2014. MGY-003 : GLOBAL NAVIGATION SATELLITE. SYSTEM AND GEOGRAPHIC INFORMATION SYSTEM. Time : 2 hours. Maximum Marks : 50 ... (b) Give a comparative account of various GIS data models. 10. 4. (a) Discuss the different data conversion
word(s) : 4x1=4. (i) The word 'PPS' is an abbreviation of. (ii) The word 'GRASS' stands for. (iii) The word `SDSS' stands for. (iv) 'RAISE' stands for. MGY-003. 1.
... the types of spatial data. Give suitable examples. 10. 4. Attempt any one part : (a) Discuss topographical maps. With the help of a neat, well-labelled diagram, explain the contour representation of different slopes and landforms on the map. 10.
... the types of spatial data. Give suitable examples. 10. 4. Attempt any one part : (a) Discuss topographical maps. With the help of a neat, well-labelled diagram, explain the contour representation of different slopes and landforms on the map. 10.
