The shape is not labeled as planar, so the surface was not rectified.
The photo is not whitebalanced, so the reflectance was not matched.
User: mturk_A26GDUUFGPAYUL
Time: 23.8 s
Added: March 27, 2013, 9 a.m.
Vertex count: 7
Normalized area: 0.01403
Pixel area: 141340
Status: Approved
Correct: True
Planar: None
Whitebalanced: False
Scene: staircase
License: Attribution-ShareAlike 2.0 Generic
Quality votes:
Planarity votes:
Dominant colors:
Planar: None
Material names:
Material name: None
Entropy: 1.522
Object names:
None