Answered
otsu's code
%if true function [T,SM]=otsuthresh(h); h=h/sum(h); h=h(:); i=(1:numel(h))'; P1=cumsum(h); m=cumsum(i.*h); mG=m(end...

9 years ago | 0

Answered
Draw 2 lines in image
%if true I = imread('2.png') ; I = rgb2gray(I) ; [y,x] = find(I) ; figure imshow(I) hold on plot(x,y,'.b') plot(x(1),y...

9 years ago | 0

Answered
Online Textbook by MathWorks for MATLAB?
Dear Houghton, May be this book, follow the link <https://www.mathworks.com/content/dam/mathworks/mathworks-dot-com/moler/...

9 years ago | 0

| accepted

Answered
How to extract RGB information from an segmented image excluded white background.
You can directly calculate the R G B from the image, Apply If R=255, G=255, B=255, then ignore the region else ...do your progra...

9 years ago | 1

Question

Ho to find the area, where having maximum pixels connected from the following binary image?
Hello, How to find the area, where having maximum pixels connected each other. <</matlabcentral/answers/uploaded_files/82599/...

9 years ago | 2 answers | 0

Answered
when i remove the optic disk can i remove blood vessels from this image.if possible how i can plz help me.
<</matlabcentral/answers/uploaded_files/82325/01_test.png>> Yes, Using Spatial filtering and thresholding, There is no direct...

9 years ago | 0

Question

How to do collage of 16 images in matlab?
Dear All, kindly guide me about How to do the collage of 16 images in Matlab? Thank You!

9 years ago | 1 answer | 0

Answered
How to draw ROC curve from true positive rate and false positive rate
Dear, Just calculate the sensitivity and specificity by using true positive, true negative, false positive and false negative...

9 years ago | 1

Question

Any Curve Fitting Technique to Draw Curve
Dear All, Firstly Thank you all experts, specially ImageAnalyst and KSSV (Siva Srinivas sir), really you people taught me a l...

9 years ago | 1 answer | 0

Question

How to link all nonlinear points (Plot) from (0,0) to (1,1)
The code is look like for k=1:40 (k only forloop for the number of iterations & must be used) some operations sp= outpu...

9 years ago | 1 answer | 0

Question

How to link all points on plot?
I have a small issue, how to link various nonlinear points within loop functions-for example y=0; for k=1:10 y=k*2+k^...

9 years ago | 1 answer | 1

Question

Problem with Result Mismatch when image call
Dear All; I have written a code for some algo implementation. When I checked the code by giving individual input images, resu...

9 years ago | 1 answer | 0

Question

Images Call within For Loop
Can you help me out: <</matlabcentral/answers/uploaded_files/78914/Images%20call.png>> Images call within for loop k...k ...

9 years ago | 2 answers | 0

Question

Pixel to Pixels comparison in two equal sizes binary image (same type logical Images)
Error in first if condition. Subscript indices must either be real positive integers or logicals. Error in Result_a...

9 years ago | 1 answer | 0

Answered
sensitivity and specificity calculation
Dear Karawi, It can be calculated from confusion matrix, Please visit the following link- http://www.dataschool.io/simple-...

9 years ago | 1

Answered
Sensitivity ,Specificity and Accuracy calculation from Confusion matrix
Dear Lea, Whether you work on Image or Numerical data sets, If you have numerical datasets and already built confusion matrix t...

9 years ago | 1

| accepted

Question

How can I remove the boundary(only) of this image?
Please help to remove the circular boundary of this image ( I know using for loop wrapping in all side). I expect some other int...

9 years ago | 2 answers | 0