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Domanda
Type problem with psnr
I'm using the command psnr on a reference image and a changed image, but I'm getting a class error. When I run the code, I get ...
quasi 11 anni fa | 0 risposte | 0
0
risposteDomanda
Image types and matrix multiplication
Lena= im2double(rgb2gray(imread('lena.bmp'))); energyLena= sum(sum(I.^2)) WaveletTransform= T1*I*inverse(T1); %%T1 is ...
quasi 11 anni fa | 2 risposte | 0
2
risposteRisolto
Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...
quasi 11 anni fa
Risolto
Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...
quasi 11 anni fa
Risolto
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:...
quasi 11 anni fa
Domanda
Substitute matrix values without mchange
I am using some code to substitute values without the symbolic toolbox. The code follows. # 1: B=A(A>2) # 2: T=zeros(size(A...
quasi 11 anni fa | 1 risposta | 0
1
rispostaDomanda
Converting types without symbolic toolbox
I have a matrix which I want to convert to a list so that I can eliminate zeros. I have a code in Maple for this task, but can'...
quasi 11 anni fa | 1 risposta | 0
1
rispostaDomanda
Making a list of a large matrix
The help page for making a list wasn't very informative for me. I have a list of ascending to descending values in a matrix, an...
quasi 11 anni fa | 0 risposte | 0
0
risposteDomanda
Wavelet Transform energy preservation
Some brief understanding of this topic is required as I describe my problem. In Wavelet image compression, one has two main com...
quasi 11 anni fa | 0 risposte | 0
0
risposteDomanda
Help understand the sumsqr algorithm
For a current project, I've begun switching between versions of matlab. For my trial of 2014, I guess I didn't download the neu...
quasi 11 anni fa | 2 risposte | 0
2
risposteDomanda
Trouble with image importing
In my project, which focuses on image processing techniques, I have a significant fundamental problem. When I try to import a bl...
quasi 11 anni fa | 2 risposte | 1
2
risposteDomanda
sum of squared elements in a matrix
I tried using the sumsqr to sum squares of each element in a matrix I don't think I understand the syntax. I tried putting the ...
quasi 11 anni fa | 1 risposta | 0
1
rispostaMultiplying matrices of different classes
I am encountering a new problem: When I input an image using imread, the resulting matrix is 3-Dimensional. That is, 256x256x3 ...
quasi 11 anni fa | 0
Multiplying matrices of different classes
In calculating threshold, one chooses a value close to .99 to signify how many low values in the matrix we can turn into zeros. ...
quasi 11 anni fa | 0
Domanda
Multiplying matrices of different classes
In my applied math course, we're learning wavelet compression techniques, and my partner and I have so far constructed two matri...
quasi 11 anni fa | 3 risposte | 0
