Image normalization using Daugman Rubber sheet model
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syahira samsudin
am 15 Apr. 2019
Kommentiert: syahira samsudin
am 16 Apr. 2019
Hello everyone. i have segmenated image of iris and i need to normalize it using daugman rubber sheet model. i tried using https://www.mathworks.com/matlabcentral/fileexchange/51246-pupil-limbus-detection-and-daugman-normalization but i cannot get the output.
here's the error. can expalin how to use it?
i also put declaration like this; and dont get the output
% % Input parameters
% xPosPupil = 625;
% yPosPupil = 306;
% rPupil = 70;
% xPosIris = 625;
% yPosIris = 306;
% rIris = 250;
![soalan.JPG](https://www.mathworks.com/matlabcentral/answers/uploaded_files/213855/soalan.jpeg)
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Frank Martin
am 15 Apr. 2019
You are calling the daugmanCircleDetection function which complains that it cannot find the class ASSStack. To solve this you should make sure that Matlab can find the class (https://github.com/frankcorneliusmartin/IrisAlgorithms/blob/master/Classes/ASSStack.m) . However: The function daugmanCircleDetection is used to segment the limbus and pupil, and not for normalization.
You should call the function rubberSheetNormalisation instead to perform the normalization, which is defined in https://github.com/frankcorneliusmartin/IrisAlgorithms/blob/master/Segmentation/rubberSheetNormalisation.m
Too see how this function works see example:https://github.com/frankcorneliusmartin/IrisAlgorithms/blob/master/Examples/RubbersheetModel.m
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Frank Martin
am 16 Apr. 2019
I feel this is no longer in the scope of providing support for my script, as these are more general Matlab questions. I recommend you follow some basic Matlab tutorials from:
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