Scatter plot for two 3D images

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Joaquim
Joaquim le 1 Août 2014
Commenté : Image Analyst le 4 Août 2014
How can i do a scatter plot applied to two 3D images? I mean, I want to compare the values of 2 3D-images putting them on a scatter plot? Anyone could help me?
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Ashish Gudla
Ashish Gudla le 4 Août 2014
If by putting on scatter plot and compare you mean you want to plot both onto a single figure you can use "hold on" between your scatter3 calls which would plot the points onto the same axes.
Example:
>> scatter3(x1,y1,z1);
>> hold on
>> scatter3(x2,y2,z2);
Image Analyst
Image Analyst le 4 Août 2014
You would not plot every voxel value with a scatter plot. So...
What do the three dimensions represent? RGB values? Distances along the x,y,z directions? Something else??? How many data points are to be plotted?

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