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Program Functions
138
6.13 Registration
This directory contains files for the automatic registration of atlases with corresponding meas-
ured images.
vLevenbergMarquardt.m
A variant of the Levenberg-Marquardt algorithm has been tested. Since the current implemen-
tation of this algorithm does not work reliably at this time, no explanation is given here.
vMkLowResImgs.m
At first, complex matrices are created based on coherence and phase images. Then, the func-
tion vHalfImage is called to produce matrices that have a size that is half as large as the origi-
nal size. The function addOnePix adds one row and one column of pixels to make the sizes
odd. This allows to place control points at the edges of the images.
vRegCustomGrad2Dir.m
This function has already been explained in section 5.2.6.2.
vRegistration.m
This function calculates and sets the match data structure that is needed for the registration
process. Then, the registration algorithm that was specified in the options menu for the current
resolution is called.
vRegistrationCustomGradient.m
This function is the preferred function for matching a wedge-stimulus phase image to a corre-
sponding atlas. It makes use of the expected pattern of the phase data, i.e., the fitting algo-
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