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29 Ιουλ 2004 · The process of representing the amplitude of the 2D signal at a given coordinate as an integer value with L different gray levels is usually referred to as amplitude quantization or simply ...
20 Απρ 2021 · Completely self-contained-and heavily illustrated-this introduction to basic concepts and methodologies for digital image processing is written at a level that truly is suitable for seniors and first-year graduate students in almost any technical discipline.
9 Σεπ 2015 · These include, among others, ultraviolet, visible, infrared, microwaves, and radio waves, each characterized by unique electromagnetic properties such as energy levels, propagation...
1 Αυγ 1991 · We demonstrate an experimental setup and associated digital image processing software for measuring the vibrational amplitude of a tuning fork with subpixel accuracy.
5 Απρ 2021 · Here, we introduce nonlinear near-field optical microscopy (NNOM), which is capable of real-time evanescent wave imaging by nonlinear wave mixing while using only standard optical components.
Image: a visual representation in form of a function f(x,y) where f is related to the brightness (or color) at point (x,y) Most images are defined over a rectangle. Continuous in amplitude and space.
In MRA, a scaling function is used to create a series of approximations of a signal each differing a factor of 2 in resolution from its nearest neighbour approximation. Additional functions, called wavelets are then used to encode the difference between adjacent approximations.
