Spatial, Spectral, Radiometric & Temporal Resolution - Types of Resolution | Remote Sensing
Temporal (Time): the measure of frequency or repeat cycle where the sensor returns to the same part of Earth's surface. If temporal resolution is x days then object revisits or recaptures same region after x days
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Temporal – how many image in a given time
Spectral – shades can be recorded – frequency and sensitivity – quantization Data can be 0 to 16 or can be 0 to 255 – color - The principles in obtaining such images is the extension of the dispersion of light in nature resulting in the appearance of the ‘rainbow” and the use of prism in the lab. strong absorption properties of fresh water in band 4 (Infrared) and mixed strong reflectance in band 2 (green) by dry surfaces
Radiometric resolution corresponds to the sensitivity of a sensor, i.e. its ability to measure and to enable distinction within the same spectral band of differences (intensity or energy)
Spatial – distance - With an increasing resolution the identification of even smaller object surfaces become possible
Chapters:
0:00 Spatial, Spectral, Radiometric & Temporal Resolution
0:12 Resolution
1:04 Satellite Sensors
1:16 Types of Sensor Resolution
1:57 Spatial Resolution
3:00 Spectral Resolution
3:32 Temporal Resolution
4:28 Radiometric Resolution
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