Ba Ba Black Sheep!

Last seen: quasi 4 anni fa | Attivo dal 2016

Followers: 0 Following: 0

Messaggio

Statistica

Feeds

Domanda

1d Convolution using Matlab's conv() function
According to the documentation(https://www.mathworks.com/help/matlab/ref/conv.html), len(output) = len(input) + len(kern...

quasi 6 anni fa | 2 risposte | 0

2

risposte

Domanda

Can anyone explain this output of 1d conv() function?
>> u = [1 2 3]; >> v = [1 2 3]; >> w = conv(u, v) w = 1 4 10 12 9 >> Can anyone explain this output? ...

quasi 6 anni fa | 1 risposta | 0

1

risposta

Domanda

Why is this Gaussian function has nonconformant arguments error?
function m=gaussian(med, var, n) if ( mod(n, 2)==0 ) n=n+1; end; med=double(med); var=double(var); m...

quasi 6 anni fa | 0 risposte | 0

0

risposte

Domanda

2D convolution in in Matlab.
I = imread ("lena.jpg"); %imshow(I); K = I; C = conv2(I, K); imshow(C); I am expecting something like the follo...

circa 6 anni fa | 2 risposte | 0

2

risposte

Domanda

Explanation of source code written in Matlab
What does the following function accomplish? Can anyone tell me what the following code is doing and how is it doing that? ...

quasi 7 anni fa | 1 risposta | 0

1

risposta

Domanda

How do I know when to use loops and when to use vectorization?
In *<https://www.mathworks.com/matlabcentral/answers/359415-how-can-i-convert-matrix-to-cell-array-of-strings this question>*, t...

quasi 7 anni fa | 1 risposta | 0

1

risposta

Domanda

How can I convert matrix to cell array of strings?
I want to convert the following: mat = [1 2 3; 4 5 6 ; 7 8 9]; into the following array of strings, arr = {'1,2(3)', ...

quasi 7 anni fa | 2 risposte | 0

2

risposte

Domanda

What does the following code do?
If we have, [row_num, col_num] = size(img); What does the following code do? function length_vec = compute_angular_l...

quasi 7 anni fa | 1 risposta | 0

1

risposta

Domanda

Is this the proper way of using ListBox?
I am learning Matlab GUI programming. I have written the following basic program to test ListBox GUI control. The following p...

quasi 7 anni fa | 1 risposta | 0

1

risposta

Domanda

what is repmat() doing in the following code?
function handles = Open_Image(hObject, eventdata, handles, type, axesIm) % if the file-name and path-name are not epty....

quasi 7 anni fa | 1 risposta | 0

1

risposta

Domanda

hslider=findobj('Tag', 'xText') returns 0x0 empty GraphicsPlaceholder array.
>> SliderTool >> hslider=findobj('Tag', 'xText') hslider = 0x0 empty GraphicsPlaceholder array. >> Why is t...

quasi 7 anni fa | 2 risposte | 0

2

risposte

Domanda

Undefined operator '*' for input arguments of type 'matlab.ui.control.UIControl'.
The following function is giving an error, function tf = GUI_ListBoxAdd(vH, bUni, vStr, vID); % Add an entry to a GUI li...

quasi 7 anni fa | 1 risposta | 0

1

risposta

Domanda

How can I eliminate as many loops as possible from the following code?
The following source code uses 4 loops at a time. My program is deadly slow. *How can I eliminate as many loops as possible ...

quasi 7 anni fa | 1 risposta | 0

1

risposta

Domanda

How can I vectorize the following code?
*main.m* I = imread('bear.png'); J = rgb2gray(imread('marked_bear.png')); mask = I-J; for r=1:size(I,1) ...

circa 7 anni fa | 1 risposta | 0

1

risposta

Domanda

Showing multiple images in one window in Matlab
Why doesn't the following code show the images? clear all; image_name = 'woman.png'; I = gray_imread(image_nam...

circa 7 anni fa | 1 risposta | 0

1

risposta

Domanda

How can I reduce the space between images?
The following source code has three problems: # it can't show only one image. # it doesn't preserve the original aspect rati...

circa 7 anni fa | 1 risposta | 0

1

risposta

Domanda

Drawing a white line on an image using (rho, theta).
I want to draw a line on the following image using |(| |rho| |,| |theta| |)| of the detected line using the Hough transformation...

circa 7 anni fa | 1 risposta | 0

1

risposta

Domanda

Finding the angle of inclination from two end points of a line.
<</matlabcentral/answers/uploaded_files/80859/Scratch1.png>> point1 = [22, 114]; point2 = [693, 233]; x1 = point1(1); ...

circa 7 anni fa | 1 risposta | 1

1

risposta

Domanda

Hough Transform source code explanation
I couldn't understand the following code's *|for|* loop. What is the purpose of the for loop here? Why is *|for|* iterati...