So far we calculated edges and other differential invariants at a range of scales. The task determined whether to select a fine or a coarse scale. The advantage of selecting a larger scale was the improved reduction of noise, and the appearance of more prominent structure, but the price to pay for this is reduced localization accuracy. Linear, isotropic diffusion cannot preserve the position of the differential invariant features over scale.
KeywordsCombustion Entropy Europe Rubber Coherence
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