how to rotate plotted figure and how to covert plotted image as graph

am doing my project on graph extraction in hand written word image i want to covert plotted image as graph.

this is my plotted image i want to rotate that image and then i want convert it as graph.

please help me.

[Jan]

What exactly does "convert it to graph" mean? Do you want to rotate the image or the data?

[DEEPAK P]

i want to convert the plotted figure as graph. because i doing my project on graph matching in hand written word image.

Answer 1

[KSSV]

I = imread('grrp.jpg') ;
I1 = rgb2gray(I) ;
I1(I1>200) = 0 ;  % convert white background to black 
[x,y] = find(I1~=0) ;  % get the non zeros 

plot(x,y,'.r') ;
set(gca,'ydir','reverse')
set(gca,'xdir','reverse')

[DEEPAK P]

You want me to take plotted image as input for your code?? In l = ('plotted image.jpg');

[KSSV]

Yes..I have taken your attached image in the above code.

[DEEPAK P]

sir i want to rotate the when its plotting