If they're so 'renowned' why can't you name them?
That shadow on the left cheek?...Some kind of freak eclipse I suppose?
'why can't you name them?'[3] C. McGlone, E. Mikhail, J. Bethel, R. Mullen, Manual of Photogram- metry, 5th Edition, American Society of Photogrammetry and Remote Sensing, 2004.
[4] R. Hartley, A. Zisserman, Multiple View Geometry in Computer Vision, Cambridge University Press, 2004.
[5] V. Blanz, T. Vetter, A morphable model for the synthesis of 3D faces, in: SIGGRAPH, Computer Graphics Proceedings, Los Angeles, 1999, pp. 187–194.
[6] P. Guan, A. Weiss, A. Balan, M. Black, Estimating human shape and pose from a single image, in: International Conference on Computer Vision, Kyoto, Japan, 2009.
[7] Y. Ostrovsky, P. Cavanagh, P. Sinha, Perceiving illumination inconsis- tencies in scenes, Perception 34 (2005) 1301–1314.
[8] H. Farid, M. Bravo, Image forensic analyses that elude the human visual system, in: SPIE Symposium on Electronic Imaging, San Jose, CA, 2010.
[9] H. Farid, The Lee Harvey Oswald backyard photos: Real or fake?, Per- ception 11 (38) (2009) 1731–1734.
'shadow on the left cheek'_It's shading, not a shadow*
3.3. Posture
It has been argued that Oswald is leaning so far to the left as to be physically implausible. Our 3-D model allows for arbitrary views of Oswald’s body and measurements of his posture. Shown in Figure 7 are four renderings of Oswald’s body taken from the front, back, and left and right sides, each of which look qualitatively reasonable. The tilt of Oswald’s body was measured to be a physically plausible five degrees from vertical.
3.4. Chin
At first glance it may appear that Oswald’s chin in the backyard photo is too wide to be consistent with his chin in other photos (e.g., his mugshot) and hence evidence of a photo composite. Shown in the left column of Figure 8 is a photo of Oswald from his mugshot (top) and from the backyard photo (bottom). The yellow guidelines are drawn at the point in the top photo where the chin meets the jaw line. Note that the chin appears to be much wider in the backyard photo. Shown in the right column of Figure 8 are the corresponding 3-D renderings with neutral front lighting (top) and lighting to match the backyard photo (bottom). The yellow guidelines, of the same width as on the left, show the same apparent widening of the chin. From these 3-D renderings, it is clear that the apparent widening of the chin is due to the
shading* along the chin and jaw, and not to nefarious photo manipulation.
https://farid.berkeley.edu/downloads/publications/tr10.pdf