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i want to know how to find the size of original image & compressed image..
Use _size_ for it. [rows cols layers] = size(your_image); % where your_image is the name you gave to your image when readin...

11 years 前 | 0

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How can I set up an RGB threshold
There are easy ways to do this, but if you MUST use for loops and if conditionals: [image_R, image_G, image_B] = seperate_R...

11 years 前 | 0

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已回答
Significance of curve Fit
You should perform a Fast Fourier Transform ( _fft_ ), this will present the frequencies that are present in your data. If it is...

11 years 前 | 1

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How to do band pass filtering?
%By-pass filter with trnasfer function ( change as you please) % 1000 s %-------------------------- %100 s^2 + 11000 ...

11 years 前 | 0

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How do I solve a cable equation problem using MATLAB?
YOu need to use _pdepe_ function: function to solve partial derivative equations. For a good example, go to <http://www.math...

11 years 前 | 0

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Need help with textscan
Your are mixing strings with doubles. Try this out. You'll end up with a cell array containing the heading and the first three d...

11 years 前 | 0

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已回答
plotyy is not working properly???
Your code is right, I run it and it works for me with no problem. Besides, it is from matlab documentation, for which it should ...

11 years 前 | 0

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Iam new to matlab... Beginner..
rows = input('Enter matrix size: '); % user input end_cell = strcat(char(65+rows),num2str(rows)); range = strcat('A1:',e...

11 years 前 | 0

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已回答
help me on image blending ??
If both images have the same size, you can add one into the other: I1 = image_1; I2 = image_2; I_blended = I1 + I2;

11 years 前 | 0

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creating a .res with 2 variables side by side (2 columns)
x = 0:.1:1; A = [x; exp(x)]; fileID = fopen('exp.res','w'); fprintf(fileID,'%6s %12s\n','x','exp(x)'); fprintf...

11 years 前 | 0

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How can I fit my data to an inverse tangent function?
x = [0.7 0.8 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4,2.6]; y = [10 11 15 15 15 17 20 25 34 47 75 100 140 15...

11 years 前 | 0

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I keep getting an error about my inputs in a function I am trying to create?
function output = dim_check(dimension,name) output = dimension; 'name' = name % ---------> this is the cause of you...

11 years 前 | 0

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已回答
How do I split a color image into its 3 RGB channels?
my_rgb = my_image; R = my_rgb(:,:,1); G = my_rgb(:,:,2); B = my_rgb(:,:,3);

11 years 前 | 3

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position of the element have small value
A= [ 3 4 5 6 7; 1 2 4 9 4; 5 3 0 7 6; 6 0 1 8 5; 2 9 8 1 3]; [C I] = min(A,[],1); C is the array of min...

11 years 前 | 0

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First fscanf(s) returns an empty array.
You say "almost" every first reading of the serial port returns an empty array. That could mean that there's nothing in the buff...

11 years 前 | 0

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how can i paste a cropped head of one image into another?
I = imread('cameraman.tif'); head = I( (35:85),(100:140) ); % crop of the head % code to transform head here I( (...

11 years 前 | 0

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Find local differences in a matrix
For k=2:3 D = cmap(:,k) - cmap(:,k-1); end

11 years 前 | 0

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Installing R2013a on Mountain Lion
Make sure the installation files are executable. Use _chmod_ as sudo if not. I had a similar problem that was solved once some f...

11 years 前 | 0

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subtraction of two images
You can not subtract images with different sizes the same way you can not subtract arrays with different lengths: a=[1 2 3...

11 years 前 | 1

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已回答
Double Slider, Two slide bars
There is not. You have to code it yourself.

11 years 前 | 1

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i have following image in double(i.e range is 0-1) & i want to convert it to 1's and -1's form,just convert 0 to -1.i tried foll code but its not working.please help. :(
I=rgb2gray(rp7); I2=im2bw(I); I3 = double(I2); I3(I2==0) = -1;

11 years 前 | 0

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How to change axis legend orientation
You can try this link: <http://www.mathworks.com/matlabcentral/fileexchange/27812-rotate-x-axis-tick-labels/content/rotateXLabe...

11 years 前 | 0

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shared library in linux/ubuntu issue
Did you change the ownership of the file and its access permissions? ( unix commands _chmod_ _chown_)

11 years 前 | 0

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how can we plot it ?
You can not plot it. The lay out of your problem is not right. Your equation has zero crossing (=solution)according to Walter Ro...

11 years 前 | 0

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Input multiple items and solve a function for those values?
function [F1,F2,Fd] = my_faran(C1,C2) F = @(C) ((9./5).*C)+32; F1 = F(C1); F2 = F(C2); Fd = F1-F2; Call the fun...

11 years 前 | 0

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How can I plot this equation? keep getting ??? Error using ==> mtimes Inner matrix dimensions must agree.'
Define your variables with _linspace_: T=linspace(0,24,100); omega=((12-T)/24)*360; phi=linspace(-180,180,100); ...

11 years 前 | 0

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已回答
exp function bode plot
I forgot to add the solution to your question. Here it is: % G(s) = (1-s/fref) / s*exp (-s/fref); G = tf( [-1/fref 1],[1...

11 years 前 | 1

| 已接受

已回答
exp function bode plot
exp(-s/fref) is not a polynomial, you can not use _sym2pol_ in that case num = sym2poly(exp(-s/fref)); % -> not v...

11 years 前 | 0

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save output of a code within the code?
First, add a handle to the figure, then, use _saveas_: rp = spm_load(spm_select); h = figure; subplot(2,1,1);plot(rp...

11 years 前 | 0

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已回答
How can I do a summation of a signal.
The way of performing a summation is this: t = 0:0.01:1; A(1:length(t)) = 0; w(1:length(t)) = 0; y = 0; for i =...

11 years 前 | 0

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