GELb 210: Remote Sensing-I: Fundamentals

Course IDCourse NameInstructorRoom NumberTime
GELb 210Remote Sensing-I: FundamentalsFarzana Ahmed Mohuya; Dr. Fatima Akter206 (GIS & RS Lab 1 ) & 232 (GIS & RS Lab 2)8:00-9:50 A.M. (Thursday)

Introduction and History

    Definition and Scope, Satellite Remote Sensing vs. Aerial Photography, Remote Sensing data acquisition, stages of remote sensing, historical development of remote sensing

    1. Introduction with Remotely Sensed Image and Aerial Photography
    2. Remote sensing data sources and acquisition process
    3. Introduction with remote sensing software (available in the labs) (main functions, menus, GUI etc.)
Physics of Remote Sensing and EMR Interactions

    Electromagnetic Radiation (EMR), Electromagnetic Spectrum, EMR Quantities, Radiant Energy, Radiant Flux, Irradiance, Existence, Solid Angle, Radiant Intensity, Radiance, Spectral Quantities, Radiation Laws, Planck’s, Stefan, Boltzman and Kirchoff’s Laws, Black-body Radiation, Interaction with Atmosphere, Atmospheric haze, Scattering and Contrast Reduction, Spectral Signature, Hemispheric Reflectance, Transmittance and Absorption.

    4. Principles of Electromagnetic Radiation, Atmospheric windows, Atmospheric blinds
    5. EMR Reflection, Emission, Scattering and Absorption and Albedo
    6. Spectral Signature of Soil, Water and Vegetation
Platforms, Sensors and Resolution

    Platforms: Ground base, air borne, space borne, Sensors: Types of Sensors; Optical, Thermal, and microwave: sensor systems: Whiskbroom and push broom, Sensors used in NASA, IRS, Landsat, SPOT Satellites, IKONOS, QUICK Bird, Resolutions: Spatial, Spectral, temporal and radiometric.

    7. Image Resolution: Spatial, Spectral, Radiometric and Temporal
    8. Comparison of Resolution between different types of satellite imagery
Aerial Photographs and Photogrammetry

    Introduction to aerial photography – Basic information and specifications of aerial photographs, Types of aerial photographs, Geometry of Aerial Photographs, Stereovision, Stereoscope, Relief displacement of vertical features and its determination, Vertical exaggeration and slopes – Factor affecting vertical exaggeration and its determination Definition and terms in Photogrammetry, Introduction to digital photogrammetry- Orthophotos and digital orthophotography

    9. Metrics of Aerial Photography: Scale, Image overlapping, Aerial mosaics
    10. Making measurements from aerial photography (object’s location, distance, height measurement etc)
Earth Resource Satellites

    Definitions and characteristics, Sun-synchronous and geostationary satellites, NOAA Series, Landsat series, IRS series, satellite data types: FCC and PAN, MSS, HS, Future satellites

    11. Characteristics and uses of Visible and IR Imagery, Thermal and Microwave imagery
    12. Composition of True Color Image and False Color Image
Image Interpretation

    Introduction; Manual interpretation Vs Digital image processing; Elements of image interpretation, Factors affecting image interpretation, Image interpretation keys, Multi spectral concepts in image interpretation.

    13. Visual Interpretation of Satellite Images and Aerial Photographs, Use of collateral information
    14. Introduction to Digital Satellite image by Using Software (image information, Histogram etc)
Application Areas of Remote Sensing
Geosphere: Imaging spectrometry and geological applications, Hydrosphere: Imaging spectrometry of water, Biosphere: Imaging spectrometry of vegetation, Atmosphere, Thermal imaging, Global cycles and change detection
    15. Applications of Remote Sensing: Web Search (Institution/Research Project based applications)
    16. Exercise on a specific area of remote sensing application (based on research articles)
Suggested Readings:
John R. Jensen, Introduction to Image Processing
Lillesand and Kiefer, Remote Sensing and Image Interpretation
David Campbell, Introduction to Remote Sensing

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