Image processing - Digital image processing
5 important questions on Image processing - Digital image processing
What procedures does digital processing involve?
Formatting and correcting data, digital enhancement for better interpretation, automates classification of targets and features entirely by computer.
What do radiometric corrections include?
Correcting the data for sensor irregulations and unwanted sensor or atmospheric noise, and converting the data so they accurately represent the reflected or emitted radiation measured by the sensor.
What do geometric corrections involve?
Correcting for geometric distortions due to sensor-Earth geometry variations, and conversion of the data to real world co-ordinates.
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Tools in image enhancement?
Contrast stretching to increase tone distinction and spatial filtering to enhance specific spatial patterns.
Difference image transformations and image enhancement?
Transformations usesually involve combined processing of data from multiple spectral bands.
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