## IMAGE PROCESSING

A blog for beginners. MATLAB image processing codes with examples ,explanation and flow charts. GUI examples are included.

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### Latest Blog Posts for IMAGE PROCESSING

• Reverse the words position in a string
on Sep 20, 2011 in MATLAB BUILT_IN FUNCTIONS
This can be done in two ways. First Method:  a.Find the length of the string  b. Use MATLAB built in function strtok to separate the first word and the remaining sentence. For instance, the input string is ‘Lets Learn together...
• Mean, Median , Variance, Standard deviation and Mode
on Sep 11, 2011 in MATLAB BUILT_IN FUNCTIONS
A=[10 10 20 40 60; 12 1 2 3 4; 7 8 9 11 4 ; 3 4 5 9 10]; A =     10    10    20    40    60     12     1     2     3     4     &nb...
• Mean, Median , Variance, Standard deviation, Mode
on Sep 10, 2011 in MATLAB BUILT_IN FUNCTIONS
A=[10 10 20 40 60; 12 1 2 3 4; 7 8 9 11 4 ; 3 4 5 9 10]; A =     10    10    20    40    60     12     1     2     3     4     &nb...
• Reverse the words in a string
on Sep 1, 2011 in MATLAB BUILT_IN FUNCTIONS
This can be done in two ways.First Method: a.Find the length of the string b. Use MATLAB built in function strtok to separate the first word and the remaining sentence.For instance, the input string is ‘Lets Learn together... Happy R...
on Aug 31, 2011 in GUI Components in MATLAB
A very simple example to show how the pop-up menu / Drop down list in MATLAB works. function Popup_menu global filename Img  I T;scz=get(0,'ScreenSize'); figure('Position',[round(scz(1,3)/4) round(scz(1,4)/8) 800 500],'MenuBar','None','NumberTi...
on Aug 30, 2011 in GUI Components in MATLAB
A very simple example to show how the popup menu / Drop down list in MATLAB works. function Popup_menu global filename Img  I T;scz=get(0,'ScreenSize'); figure('Position',[round(scz(1,3)/4) round(scz(1,4)/8) 800 500],'MenuBar','None','NumberTit...
• Image Rotation in MATLAB - Examples without imrotate function
on Aug 23, 2011 in Image Geometry
180 degree                                                    We can develop our own code to rotate an Image.In this art...
• Number of occurrences in cell array
on Jul 2, 2011 in Array functions in MATLAB
To find the number of occurrence of a string in an array: Consider a cell arrayc={'one';'two';'three';'nine';'five';'two';'six';'one'; 'two';'five';}; The number of times the string ‘one’ occurs in the array sum(strcmp('one',c)) ans =  &nb...
• Some Random effects
on Jul 2, 2011 in Photoshop effects in MATLAB
Negative Image Subtract 255 from the RGB image, to obtain negative image. MATLAB CODE: %Here the  I am subtracting 255 from R,G and B. A=imread('person.jpg'); imshow(255-A); Original Image Negative Image Sine Wave First find the mid...
• How to draw in MATLAB
on Jun 29, 2011 in MATLAB BUILT_IN FUNCTIONS
I used the function ‘getline’ to get the points from the user. Using plot function the lines are drawn. MATLAB CODE:scz=get(0,'ScreenSize'); fig=figure('Position',[round(scz(1,3)/4) round(scz(1,4)/8) 700 500],'MenuBar','None','NumberTitle','off',...