Wavelets in Medicine and Biology by Akram Aldroubi and Michael Unser

Author:Akram Aldroubi and Michael Unser
Language: eng
Format: azw3
Publisher: CRC Press
Published: 2017-11-21T16:00:00+00:00

Figure 12.5

Volumetric imaging by successive excitation of slices along the z-axis. White indicates excited regions; gray regions do not produce signal. In many situations, each slice must be measured more than once. By looping through the excitations in the sequence given here, we assure that a long time passes between successive excitations of a given slice.

Figure 12.6

Density plots representing four orthonormal bases for encoding an interval to a resolution of 16 pixels. Each row represents one basis function; white represents a +1 value, black represents –1, and gray represents 0.

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