Remote Sensing & GIS (CE-504 (B)) - Important Questions

Explain the electromagnetic spectrum with a neat sketch and its relevance to remote sensing.

Discuss typical spectral reflectance curves of soil, vegetation and water with graph.

What is sensor resolution and what are the different types of sensor resolutions? Explain spatial, spectral, radiometric and temporal resolution.

Explain image classification and its types - supervised and unsupervised classification.

Explain the sources of spatial / GIS data and the objective of data collection.

What are map projections? Explain any two basic classes of projections.

Describe attribute data and its management in GIS.

Describe the basic components of remote sensing and its limitations.

Explain the method of supervised classification in digital image processing.

Explain the different elements of visual image interpretation techniques.

What are spatial entities? Explain point, line and polygon with examples.

Define topology and explain the topological model and its features in vector data.

Explain applications of remote sensing and GIS in water resources management.

Describe the role of remote sensing and GIS in traffic management including synoptivity and repetivity concepts.

Discuss the different types of data modes in a remote sensing system.

Explain the basics of digital image processing and characteristics of digital data in remote sensing.