Lecture 3.pdf - Types of Remote Sensing Images Capturing Information on Earth UGEB 2132 Earth As Seen From Space Department of Geography and Resource

Lecture 3.pdf - Types of Remote Sensing Images Capturing...

This preview shows page 1 - 12 out of 49 pages.

UGEB 2132 Earth As Seen From Space Types of Remote Sensing Images Capturing Information on Earth! Department of Geography and Resource Management, The Chinese University of Hong Kong
Image of page 1

Subscribe to view the full document.

Types Of Remote Sensing Images Classification by 1. Remote sensing platform 2. Spectral sensitivity/ EM Spectrum 3. Orientation of camera axis 4. Color 5 A B B C D E F G
Image of page 2
Remote Sensing Platform Space platform Aerial platform Ground platform Spacecraft program Aircraft program High altitude Medium altitude Low altitude sensor sensor sensor sensor sensor sensor Ground sensor
Image of page 3

Subscribe to view the full document.

Satellites 7
Image of page 4
Multi-lens Camera Multi-camera System Cameras and Aerial Photograph Large Format Camera
Image of page 5

Subscribe to view the full document.

Photogrammetric Aerial Frame Camera Jensen, 2000
Image of page 6
Unmanned Airborne System (UAS) A drone A sensor/ camera A GPS
Image of page 7

Subscribe to view the full document.

Ground Platform
Image of page 8
Electromagnetic Spectrum Any object with a kinetic temperature above absolute zero (0 Kelvin) emits EMR EM wave includes a sinusoidal electric wave and a magnetic wave Electric field Magnetic field Distance l = wavelength Distance between successive wave peaks = frequency No.of cycles per second Passing of a fixed point C Velocity of light E M
Image of page 9

Subscribe to view the full document.

Electromagnetic Spectrum Wavelength, l Distance between successive wave peaks Given in unit of distance Frequency, No. of cycles/ second passing a fixed point Typically given as s-1 or Herz (Hz) Graph courtesy:
Image of page 10