MATLAB: Dividin image in two sectors

image processing

i m building a targetting system as a project and want to find out if object colored red is on right or left of centreline?????/

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Following is thread that shows how to divide an image into 4 parts,, just edit the code some to divide into 2 halves http://www.mathworks.com/matlabcentral/answers/46699-how-to-segment-divide-an-image-into-4-equal-halves

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MATLAB: How to divide image into sectors around CoG

Create x,y coordinates of an arc using the FAQ: http://matlab.wikia.com/wiki/FAQ#How_do_I_create_an_arc.3F.

Then pass those coordinates into poly2mask(x,y,rows,columns) to get a binary image (mask). Then multiply that by, or assign, the image to mask off everything except that sector.

Let me know if you can't figure out the attached, well commented code.

MATLAB: How to segment (divide) an image into 4 equal halves

I1=I(1:size(I,1)/2,1:size(I,2)/2,:);
I2=I(size(I,1)/2+1:size(I,1),1:size(I,2)/2,:);
I3=I(1:size(I,1)/2,size(I,2)/2+1:size(I,2),:);
I4=I(size(I,1)/2+1:size(I,1),size(I,2)/2+1:size(I,2),:);

try this out, it will do

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Related Solutions

MATLAB: How to divide image into sectors around CoG

MATLAB: How to segment (divide) an image into 4 equal halves

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