im2: 
im3: 
im4: 
im5: 
im6: 
im7: 
im8: 
im9: 
This sequence contains images taken in the same conditions (as far as we could control the environement parameters), but the intensity of the light source which varies slowly from one image of a sequence to the next one.
Download the sequence (tar of gzipped PPM images).
Sequence reference: 1p_1l_li_s1
Number of images : 9
Images: im1 to im9 from left to right
Scene: Journal cover, flat object.
Variation: light intensity
im1:
im2:
im3:
im4:
im5:
im6:
im7:
im8:
im9: