Image processing - Introduction
5 important questions on Image processing - Introduction
What are targets and what are the requirements?
Features or objects which can be observed in an image. May be a point, line of area feature, must be distinguishable.
When is data in analogue format?
Image is displayed in a pictoral or photographic format, independant from what type of sensor.
When images are represented by pixels, with each pixel corresponding to a digital number this is called a?
Digital format.
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How are colour images made?
By combining different spectral bands representing different wavelengths.
Difference manual interpretation and digital analysis?
Manual interpretation doesn't require expensive euquipment, it is easier to determin the validity and accuracy of the results from digital processing. Downfalls are it takes longer, one image at a time, subjective to the person doing it..
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