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This is a MATLAB implementation of Shape from Motion.

Here are the light source directions associated to each file

File		  |	ps	   |	qs
------------------------------------------------
lena.pgm	  |	 0.866	   |	 1.5
		  |		   |
./beethoven/	  |		   |
beethoven1.pgm	  |	-0.387930  |	 0.059682
beethoven2.pgm	  |	 0.031802  |	 0.556538
beethoven3.pgm	  |	 0.389363  |	 0.104828
		  |		   |
./mozart/	  |		   |
mozart1.pgm	  |	 0.0	   |	 0.364
mozart2.pgm	  |	-0.315	   |	-0.182	
mozart3.pgm	  |	 0.315	   |	-0.182
		  |		   |
./sphere/	  |		   |
sphere1.pgm	  |	 0.0	   |	 0.0
sphere2.pgm	  |	 0.5	   |	-0.5
sphere3.pgm	  |	-0.5	   |	-0.5
------------------------------------------------