Introduction and overview
In our daily life we use vision as one of our main sources of information about the outside world. Compared to a sense like hearing, the visual sense gives a richer description of the world. Compared to a sense like touch, it allows us to gather information about objects at greater distance and without affecting the objects themselves physically. Considering the apparent ease with which we obtain information about the world from the light that enters our eyes, an intellectual effort is required to appreciate that this is a non-trivial task.
KeywordsGaussian Kernel Image Structure Local Extremum Coarse Scale Outer Scale
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