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vipul utsav


73 total contributions since 2012

Professional Interests: image processing

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Question


how can i get matlab code and figure of gui from its application file?
I have made application file from matlab gui code and gui figure using matlab deploy tool and it is run. but problem is that ...

6 years ago | 2 answers | 0

2

answers

Question


i want to normalize these values
i have mean of different images 80,95,102,108,123 then i want to normalize these values? how i can i do this?

6 years ago | 1 answer | 0

1

answer

Answered
How to determine if elements in a column are negative
[ind1 ind2]=find(matrix<0); matrixneg=matrix(ind1,ind2);

6 years ago | 1

Answered
delete rows with a special number
ind=find(A==99.0000); A(ind)=0; A=A;

6 years ago | 1

Answered
How to get occurrence frequency of the signal?
freq=xlsread(filename.xls,A1:A11) aa=find(freq>0.2) answer=freq(aa) in above code column A1:A10 contain freq.you can ta...

6 years ago | 0

Question


how i can fix noise estimated value everytime if i reopened matlab.
I have implemented noise estimation algorithm in matlab,and i have added noise using 'randn' function.now i run this program in ...

6 years ago | 0 answers | 0

0

answers

Question


what is difference between digital image
what is difference between digital image and remotely sensed optical imagery

6 years ago | 2 answers | 0

2

answers

Question


multiplicative noise generate using randn
I add additive '0' mean Gaussian noise to original image using n=0+(sd)*randn(size(original image)) and i apply noise estim...

6 years ago | 1 answer | 0

1

answer

Question


now my question is that which 'a' i should take?
I is 20*20 image of class uint8; a=im2double(I) and a=double(I) gives different result. now generate noisy image using n...

6 years ago | 1 answer | 0

1

answer

Question


how to generate noise of various pdf
how to generate noise of various pdf(gaussian,speckle,poisson etc) using "mean+(std)*randn(size(original image))" function....

6 years ago | 1 answer | 0

1

answer

Question


how to add multiplicative noise in original image using
how to add multiplicative noise in original image using "0+(10)*randn(size(original image))"

6 years ago | 0 answers | 0

0

answers

Question


then which type of above noise is?
if i generate noise using n=0+(std)*randn(size) then which type of above noise is? gaussian,salt & pepper ,speckle or it i...

6 years ago | 1 answer | 0

1

answer

Question


i placed 'as.xls' file in matlab folder.
i placed 'as.xls' file in matlab folder. then i read data in matlab code using "xlsread('as.xls')" the i got error that ...

6 years ago | 2 answers | 0

2

answers

Question


function pushbutton1_Callback(hObject, eventdata, handles)
function pushbutton1_Callback(hObject, eventdata, handles) handles.metricdata.a=1; function pushbutton2_Callback(hObject,...

6 years ago | 1 answer | 0

1

answer

Question


problem is that it can not plot x and y,(
IN GUI,i define handles.matricdata.a=1 in pushbutton1 callback function. then in pushbutton2 callback function i use ...

6 years ago | 2 answers | 0

2

answers

Question


problem is that when i run matlab code using F5
clc close all; clear all; n=0+(10*randn(400)); nn=imcrop(n,[0 0 16 16]); std(nn(:)) I genera...

7 years ago | 2 answers | 0

2

answers

Question


I have added (0 mean,std=30) noise to uploaded image
I have added (0 mean,std=30) noise to grayscale image. and i also uploaded my code to find additive noise from noisy image. bu...

7 years ago | 0 answers | 0

0

answers

Question


perform var(image(:)) operation in gui
please,provide me a demo code for 5 images read in GUI using popup menu and perform var(image(:)) operation in gui

7 years ago | 1 answer | 0

1

answer

Question


denoise image with better quality
http://www.mathworks.in/matlabcentral/answers/57219-noise-removal-by-setting-a-threshold in above link,in noise removal cod...

7 years ago | 0 answers | 0

0

answers

Question


is this block represents noise?
i have converted noisy image into 4*4 block ,then i have found std of each block and i have found minimum std from all block. ...

7 years ago | 0 answers | 0

0

answers

Question


now, i have added noise in that original image using '0+std*randn(size(orig.image))' function,then how can find those homogeneous regions from this noisy image(only using noisy image)
there are some homogeneous region in original image.i have found those homogeneous regions using 'stdfilt'filter. now, i have...

7 years ago | 1 answer | 0

1

answer

Question


how can i got best denoisy image and which modifications are needed? (you can take any grayimage for testing)
i added noise using n=0+40*randn(size(grayimage)) in grayimage(noisy=grayimage+n). then i have removed noise using medfilt2(noi...

7 years ago | 1 answer | 0

1

answer

Question


if i have noisy image(additive noise)
if i have noisy image(additive noise) ; then whether median filter works well for removing noise from noisy image to get nois...

7 years ago | 1 answer | 0

1

answer

Question


largest number of blocks
if i have v= 1:1:20 and its value are, a=[3,6,9,3,7,12,4,62,3,8,8,9,8,4,8,2,8,3,3,3] respectively. Within the range of the mi...

7 years ago | 1 answer | 0

1

answer

Question


how could find snr of medical image and accuracy of estimation?
how could find snr(signal to noise ratio) of medical image and accuracy of estimation?

7 years ago | 1 answer | 0

1

answer

Question


what will be a error and efficiency equation of xyz algorithm
if I have estimated value(Iest) of xyz algorithm and actual value(Iact) then what will be a error and efficiency equation of xyz...

7 years ago | 0 answers | 0

0

answers

Question


what will be value of 'b' when 'a' is equal to 0(zero)
a=[1.2716 3.8147 6.3578 8.9009 11.4440 13.9871 16.5302 19.0733 21.6164 24.1595 26.7026 29.2457 31.7889 34.3320 36.8751 3...

7 years ago | 1 answer | 0

1

answer

Question


how to convert 1.228 into 1
how to convert 1.228 into 1.2,1.366 into 1.7, 1.99999 into 2.0 (i.e. into a .1f )

7 years ago | 2 answers | 0

2

answers

Question


how can i get value of 'a' at b=0.
clc; close all; clear all; a=[5,11,15,18,22,30]; b=[2,3,4,5,6,7]; plot(b,a); if i want value of 'a' ...

7 years ago | 0 answers | 0

0

answers

Question


if i normalize signal power of noisy image
I is original image and 'n' is noise image and it add in I to generate noisy image('mix'),means mix=I+n; if i n...

7 years ago | 1 answer | 0

1

answer

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