CE6003 REMOTE SENSING TECHNIQUES AND GIS

UNIT I

EMR AND ITS INTERACTION WITH ATMOSPHERE & EARTH MATERIAL 

Definition of remote sensing and its components – Electromagnetic spectrum – wavelength

regions important to remote sensing – Wave theory, Particle theory, Stefan-Boltzman and Wein’s

Displacement Law – Atmospheric scattering, absorption – Atmospheric windows – spectral

signature concepts – typical spectral reflective characteristics of water, vegetation and soil.

UNIT II

 PLATFORMS AND SENSORS

Types of platforms – orbit types, Sun-synchronous and Geosynchronous – Passive and Active

sensors – resolution concept – Pay load description of important Earth Resources and

Meteorological satellites – Airborne and spaceborne TIR and microwave sensors.

UNIT III

IMAGE INTERPRETATION AND ANALYSIS

Types of Data Products – types of image interpretation – basic elements of image interpretation -

visual interpretation keys – Digital Image Processing – Pre-processing – image enhancement

techniques – multispectral image classification – Supervised and unsupervised.

UNIT IV

GEOGRAPHIC INFORMATION SYSTEM

Introduction – Maps – Definitions – Map projections – types of map projections – map analysis –

GIS definition – basic components of GIS – standard GIS softwares – Data type – Spatial and nonspatial

(attribute) data – measurement scales – Data Base Management Systems (DBMS).

UNIT V

DATA ENTRY, STORAGE AND ANALYSIS

Data models – vector and raster data – data compression – data input by digitization and scanning

– attribute data analysis – integrated data analysis – Modeling in GIS Highway alignment studies – Land Information System.


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