Community Profile # Tallha Akram

### COMSATS

Last seen: 13 days ago Active since 2011

"Pattern Recognition for Computer Vision" Professional Interests: ANN's , GA's, Statistical Pattern Classification, Image Processing

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Question

How to find Minimum Circumscribed Rectangle for an image?
I have extracted Salient object from natural image along with few minor background details in different color channels (e.g. L,a...

9 years ago | 1 answer | 0

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Question

How to Remove Minor background details from the image
For the object extraction i need to enhance the image contrast, which not only enhance foreground object but also the minor back...

9 years ago | 1 answer | 0

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Binarizing an image using mean gray value
m1 = imread('peppers.png'); m2 = im2double(rgb2ycbcr(m1)); sample1=m2(:,:,1); sample1_mean = mean(mean(sample1)) %Binar...

9 years ago | 0

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Question

How to Remove Minor background details from the image.
For the object extraction i need to enhance the image contrast, which not only enhance foreground object but also the minor back...

9 years ago | 0 answers | 0

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how to convert a gray scale image to color image using matlab
[X,map] = imread('trees.tif'); gmap = rgb2gray(map); figure, imshow(X,map), figure, imshow(X,gmap); figure; imshow(X,g...

9 years ago | 0

Question

How to save current Image from Figure Plot
Hi, imshow(image1); hold himage=imshow(image2); set(himage, 'AlphaData', 0.3); % 0.3 control transpare...

10 years ago | 2 answers | 0

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How to open current figure values in Workspace.
Yes, sorry for incomplete information. The code is given as figure, imshow(Image1), hold on himage = imshow(Imge2); s...

10 years ago | 0

Question

How to open current figure values in Workspace.
imshow(Image1); % Image1 is let 100 *100 hold imshow(Image2); % Image2 is 100*100*3 Now i need the values of the fi...

10 years ago | 2 answers | 0

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Question

Converting 1*4 array into 1*1
hi, I have an array a=[1 2 3 4] with dimension 1*4 and i want it to convert into value 1234 of size 1*1 double. other...

10 years ago | 4 answers | 0

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Question

How to decrease the gap between figures in subplot
Hi, I am displaying 8 images using subplot (2,4,I), but there is enough margin between images which results in small picture ...

10 years ago | 2 answers | 0

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Question

How to calculate percentage change in Noise
Hi, I have added salt & pepper noise (10%) to a certain image and then apply the filter. The Filter has removed enough noi...

10 years ago | 1 answer | 0

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Question

How to display Number in 2-D plots
Hi, I want to plot points shown by number not like '*' or '.' . Let x=[1 2 3 4;1 2 3 4]T; T= Transpose. plot(x(:,1)...

10 years ago | 1 answer | 0

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Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

10 years ago

Question

How to coup with matrix dimension?
I have equation e.g a* (b*b') to update Covariance Matrix. a=(200 * 2) 200 rows and 2 cols b=(200 * 2) I need an out...

10 years ago | 1 answer | 0

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How to display Color Image of type double
Buddy i have tried already , its not working. you can confirm it.

11 years ago | 0

Question

How to display Color Image of type double
Hi, I have coloured image Im1 input as uint8. when i convert it to double, i am unable to display it. let code is given a...

11 years ago | 2 answers | 0

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Question

Find Min& Max Togather
Hi, How to find Minimum and Maximum of array with a single command. I dont want to use min and max separately . Regards...

11 years ago | 5 answers | 1

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Question

How to Test Images in Kernel PCA
I have trained the face images from ORL database (120) Images. Now i have confusion in testing data. How testing data is organi...

11 years ago | 0 answers | 0

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Question

2D plot
I have let 4 entries. x=[1 2 3 4] y=[-1 2 -3 -4] i want to plot x and y. let plot(x,y,' ...

11 years ago | 1 answer | 0

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Question

How to Check the efficiency of an Algorithm
Hi, I am testing PCA and FisherLDA for face recognition. How to check what is the Percentage Accuracy of Recognition Fac...

11 years ago | 0 answers | 0

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Question

HOw to read images from multiple folders
Hi, I have 10 folders and in each folder i have 10 images as( 1.jpg, 2.jpg, 3.jpg... 10.jpg). I want to read all ten folde...

11 years ago | 1 answer | 0

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Question

How to use image for SVM
i want to use images to classify using support vector machine. how can i give image to SVM.

11 years ago | 0 answers | 0

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Question

How to give Image as Input to SVM
Let image is (n*n) matrix. If i change it to (N^2*1) matrix, the SVMtrain gives error " SVM must have 2 column Matrix". To ch...

11 years ago | 1 answer | 0

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Question

how to use Image for Pattern Recogntion in SVM (Support Vector Machine)
I am trying to Recognize human faces with SVM, but i am little bit confused how to shape the image data so it will be suitable t...

11 years ago | 0 answers | 0

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Question

Unable to run Discriminant Analysis
I am unable to run this command in matlab . load fisheriris; linclass=ClassificationDiscriminant.fit(meas,species); Rea...

11 years ago | 2 answers | 0

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Question

Variables not displayed in WorkSpace.
From the main program, i have to call 3 different functions(e.g add, subtract and divide) and In each m-file i am using many new...

11 years ago | 1 answer | 0

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How to Read multiple Images from a Directory.
Cheers Buddy. I was so stuck in these brackets.

11 years ago | 0

Question

How to Read multiple Images from a Directory.
I am using following code to read my images which are named in term of 1.jpg 2.jpg 3.jpg . . 20.jpg I am using the followin...

11 years ago | 2 answers | 0