photo

Sidra Aleem


Active since 2017

Followers: 0   Following: 0

Statistics

  • First Review
  • Thankful Level 3

View badges

Feeds

View by

Question


How to improve optic disc removal code?
I want to perform optic disc removal as a step for doing diabetic retinopathy grading. The code is working fine, but for some of...

6 years ago | 1 answer | 0

1

answer

Question


How to draw bounding boxes around the ROI obtained by thresholding.
I want to highlight the region of interest using rectangular bounding box on the original image. <</matlabcentral/answers/up...

6 years ago | 1 answer | 0

1

answer

Question


How to remove optic disc from retinal images?
I am trying to do diabteic retinopathy grading. Before feature extraction, I have to remove optic disc. I am trying to do so usi...

6 years ago | 1 answer | 0

1

answer

Question


How to plot histograms of two different classes in a single plot?
I have to plot histogram of two clases in to single plot. One class is of distance of authenticated users and others if of dista...

7 years ago | 1 answer | 0

1

answer

Question


How to find FRR, FAR of a biometric system? And how to plot them according to threshold?
I am working on retinal identification system. I have to calculate false rejection rate and false acceptance rate. And then plot...

7 years ago | 0 answers | 0

0

answers

Question


How to acccess VARIA database.
I am working on identification using retinal blood vessels. In order to test my code, I need to have VARIA database. Currently I...

7 years ago | 0 answers | 0

0

answers

Question


How to make retinal identification fast?
I have a project that does biometric identification of a person on the basis of retina. The identification accuracy is good. How...

7 years ago | 0 answers | 0

0

answers

Question


what is Gabor wavelet transform in image processing?
I searched a lot on internet about gabor wavelet transform. But all I get is mathematical explanation which I am not able to und...

7 years ago | 1 answer | 0

1

answer

Question


How to find true positive and true negative of a segmented image?
Hello everyone. I am working on "Retinal Blood Vessel Segmentation". I want to draw ROC using matlab. I am confused about how to...

7 years ago | 1 answer | 0

1

answer

Question


How to get a specific field from a structure stored in .mat file?
I have saved my structure in . mat using. filename = 'D:\我的文档\MATLAB\efe\Database.mat'; save(filename,'Data'); ...

7 years ago | 2 answers | 0

2

answers

Question


Getting value of selected string in Popup menu.
I am trying to make a GUI. Depending on the option selected in popup menu 3 the selected operation should be performed on images...

7 years ago | 1 answer | 0

1

answer

Question


How to compare 2 feature matrix of 2 different dimensions?
I am working on project "Person Identification via retinal blood vessels". I have computed feature matrix for images. Feature ma...

7 years ago | 1 answer | 0

1

answer

Question


Why do number of features are different for same person's retinal image
I am doing a project "Personal Identification on the basis of Retina". I have made feature matrix that comprise of distance and ...

7 years ago | 1 answer | 0

1

answer

Question


Why knnsearch () function slows down the code?
I have to make feature vector in which I have to store distance between a candidate feature point and its four neighboring featu...

7 years ago | 1 answer | 0

1

answer

Question


How to form a feature vector?
Hello everyone I am doing a project "identification of person using retina". I have extracted my features (Bifurcation Points a...

7 years ago | 1 answer | 0

1

answer

Question


Adjacent pixel subtraction of matrix
I have a 3 X 3 Matrix. I want to subtract adjacent pixels on boundaries to subtract from each other in clockwise manner skipping...

7 years ago | 0 answers | 0

0

answers

Question


How to implement Crossing number technique for detection of retinal bifurcation point?
Hello I have to to extract feature( Bifurcation point, end points) from retinal vessels. From reading papers and some books I go...

7 years ago | 0 answers | 0

0

answers

Question


Populate one pop up menu on the basis of selection in another pop up menu.
Hello I have two popup menus. popup menu1 : Directory and popup menu2: File names. In pop up menu 1 directory names should ap...

7 years ago | 1 answer | 0

1

answer

Question


How to remove unconnected regions from image
Hello I am doing project "Persons identification on the basis of retinal vessels". I am working on the part of segmentation...

7 years ago | 1 answer | 0

1

answer