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Ridhima Chopra


Active since 2024

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Programming Languages:
Python
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How to use these LDA files mentioned in the hyperlink to perform LDA on DCT coeff of normalised iris?
This is the hyperlink: Liner Discriminant Analysis I have found the DCT Coeff of normalized iris. Now my aim is to perform LDA...

2 months ago | 1 answer | 0

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How can we use the m files for Daughman Integro-differential operator given in the hyperlink below?
Daugman Integro-differential Operator I got these files, however i am not able to understand from where to start and how to pro...

2 months ago | 0 answers | 0

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How to eliminate the black part added in the moving image during image registration?
My fixed image is: (320 x 280) px The moving image is obtained by rotating the fixed image: I want to eliminate the black ...

2 months ago | 1 answer | 0

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Question


Issue with image registration.
I have attached my image registration matlab file. The input/moving image I have taken is: The moving and fixed images are s...

2 months ago | 1 answer | 0

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Question


Unable to Segment Iris from Preprocessed Eye Dataset.
The following are some images from my dataset: I convert the coloured images in grayscale and preprocess them as follows: ...

2 months ago | 1 answer | 0

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Question


How do I remove the Specular reflections in gray scale image as given in this article snippet?
Kindly help.

3 months ago | 1 answer | 0

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Question


Does anyone have code for Circular Gabour Filter for iris and pupil detection?
The above is an expression for CGF. I want to use CGF on CASIA V4 Iris Thousand database

3 months ago | 0 answers | 0

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Question


My image is stored in struct format after loading a .mat image. How to convert it back into image form ? It load as a struct 1x1 format.
I want to load .mat images from a folder and display it as an image. After loading a .mat image using load function,. How to ...

3 months ago | 1 answer | 0

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Question


How to compare the features from an unknown image with the feature vectors I extracted from my database images and display the matched image name?
I stored the features in a mat file: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% clc; clear all; close all; warning off; f = proc...

3 months ago | 1 answer | 0

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Question


Using Daugmans Rubber Sheet model, I am not able to get the correct normalized image of iris. Please help me out.
This is my input image, the output i am getting is: I am sure the center coordinates , I have found them correctly because...

3 months ago | 1 answer | 0

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Question


How to recify this error in daughman's rubber sheet model matlab code? : Error using * MTIMES (*) is not fully supported for integer classes.
It runs perfectly on the example image but shows the following error for other images : Error using * MTIMES (*) is not full...

3 months ago | 1 answer | 0

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