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Rida


College of Electrical and Mechanical Engineering

Active since 2014

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Question


How to check that a push button has been pressed by the user usinguicontrol?
Hello!! I am creating a GUI, in which a user selects something from a popup menu, then a login window appears and user enters...

nästan 9 år ago | 1 answer | 0

1

answer

Question


Find does not work according to the condition?
Hi All I have a vector having values such as [0.6089 0.5798 0.5711 and so on] I want to set a threshold to discard value...

mer än 9 år ago | 1 answer | 0

1

answer

Question


How to convert image from rgb space to luv space?
Is there any built in command for converting RGB image to LUV?

ungefär 10 år ago | 2 answers | 0

2

answers

Question


How can we use Linde Buzo Gray (LBG) algorithm for vector quantization for features extracted from images?
I am trying to construct visual vocabulary, and I have 9 training images, out which I have constructed a matrix of (256x9); wher...

ungefär 10 år ago | 1 answer | 0

1

answer

Question


How to save multiple images in a loop without over writing the previous ones?
I sub-divided 112 images into 16 images each so that I can get 1792 sub-images at the end. Now when I am saving these images usi...

mer än 10 år ago | 1 answer | 0

1

answer

Question


How can we divide an image into 16 sub images each of size 128x128
While the size of original image is 512x512

mer än 10 år ago | 2 answers | 0

2

answers

Question


How can I compute edges from adjacency matrix by using n(n-1)/2 formula?
I have 90x90 adjacency matrix, and I want to find the edges in this matrix?

mer än 10 år ago | 0 answers | 0

0

answers

Question


How to find certain index of a diagonal matrix , when a condition meets?
I have the following code: covar = 1.0/m .* X' * X; % computing co-variance [U, S, V] = svd(covar); % singular value decom...

mer än 10 år ago | 1 answer | 0

1

answer

Question


How can I sum only few values in a diagonal matrix?
if I have a diagonal matrix, and I use sum(diag(A)) , it gives me the sum of entire diagonal, but I only want the sum of lets ...

mer än 10 år ago | 3 answers | 0

3

answers

Question


how to save a vector coming from a function, into a matrix?
My basic code is : clc close all %%%%%%%% Read an Image + convert into grayscale fileNames=dir(fullfile('D:\Project\HSV\...

mer än 10 år ago | 1 answer | 0

1

answer

Question


How can I reshape 200 -- 3D histograms into 200 row vectors?
I am working on HSV features for 200 images, I have obtained 200 hsv histograms, now all I want is to apply Principal Component ...

mer än 10 år ago | 0 answers | 0

0

answers

Question


How can I create a bigger matrix/array, having 200 zeros matrices in it?
I want to compute HSV histograms for 200 images, and for this purpose I have to initialize 200 zeros matrices for computing and ...

mer än 10 år ago | 2 answers | 0

2

answers

Question


I have a sequence of images and I want to apply something (Gabor filter) on each of the images?
Problem is, when I apply Gabor on a single image, I get perfect results, but when I access the entire images , it only operates ...

mer än 10 år ago | 1 answer | 0

1

answer

Question


How can I obtain a 3D histogram from 3 separate arrays?
I have the following code: img_rgb = imread('IMD037.bmp'); img_gray=rgb2gray(img_rgb); [rows, cols] = size(img_gray); %%...

mer än 10 år ago | 1 answer | 0

1

answer