Superposition

Science / Geology / Superposition: The concept that the oldest rock layers are at the bottom of a sequence with younger rock layers deposited on top of them. This can be considered a rule that applies in all situations, except where the rocks are extremely deformed.

Convolution Product

Science / Spiders / Convolution Product: a 2D or 3D function obtained as the result of a superposition integral. The integrand is an image or volume, and the superposed kernel is a typically short-range 'point spread function' that expresses MORE

Point-Spread Function

Science / Spiders / Point-Spread Function: the kernel in the superposition integral (convolution product) that expresses the effect of a linear optical system in the formation of an image of an object. Point spread function and transfer functi MORE

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