• Learning illumination- and orientation-invariant representations of objects through temporal association, G. Wallis, B.T. Backus, M. S. Langer, G. Huebner, H.H. Buelthoff, Journal of Vision 9 (7) pp. 1-8 (2009)
• Perceptual limits of motion field visualization,  M. S. Langer,  J. Pereira,  D. Rekhi,    ACM Transactions on Applied Perception, 3(3) pp. 179--193 (2006)    ( PDF)
• Spectral estimation of motion parallax and application to egomotion,  R. Mann and M.S. Langer,  Journal of the Optical Society of America A. 22(9) 1717-1731, 2005. (PDF)
• Optical Snow,  M.S. Langer and R. Mann,  International Journal of Computer Vision  55(1): 55-71,  2003.  (PDF)
• A prior for global convexity in local shape from shading,  M.S. Langer and H. H. Buelthoff,   Perception. 30(4):403-410,  2001.   (PDF)
• Depth discrimination from shading under diffuse lighting,  M.S. Langer and H. H. Buelthoff, Perception.29 (6) 649-660,  2000.   (PDF)
• Large scale failures of f^{-alpha} scaling in natural image spectra,  M.S. Langer,  Journal of the Optical Society of America A. 17 (1):28-33, 2000.  (PDF)
• When shadows become interreflections, M.S. Langer,  International Journal of Computer Vision.  34 (2/3):193-204, 1999.  (PDF)
• Towards Accurate Recovery of Shape from Shading under Diffuse Lighting,  A.J. Stewart, M.S. Langer,   IEEE Transactions on Pattern Analysis and Machine Intelligence. 19(9):1020-1025, 1997.   (PDF)
• Casting light on illumination: a computational model and dimensional analysis of sources,  M.S Langer,  S.W. Zucker,  Computer Vision and Image Understanding. 65: (2):322-335,  1997.  (PDF)
• Shape from Shading on a Cloudy Day,  M.S. Langer, S. W. Zucker,   Journal of Optical Society of America. 11: 467-478,  1994.  (PDF)

CONFERENCE PAPERS

• Planar Orientation from Blur Gradients in a Single Image S. McCloskey and M.S. Langer, Proc. IEEE Conference on Computer Vision and Pattern Recognition, pp. 2318-2325 , Miami June 2009 PDF
• Surface visibility probabilities in 3D cluttered scenes, M.S. Langer, 10th European Conference on Computer Vision, Marseilles FR, Oct. 2008 PDF
• A cue to shading: elongations near intensity maxima D. Gipsman, M.S. Langer, Fifth Canadian Conference on Computer and Robot Vision, May 2008
• Evolving Measurement Regions for Depth from Defocus. S.  McCloskey,  M.S. Langer, K. Siddiqi,   8th Asian Conference on Computer Vision Vol. 2, pp. 858--868, Tokyo, Japan Nov 2007.
• Automatic Removal of Partial Occlusion Blur S.  McCloskey,  M.S. Langer, K. Siddiqi,   8th Asian Conference on Computer Vision Vol. 1, pp. 271--282, Tokyo, Japan Nov 2007.
• Two-frame frequency-based estimation of local motion parallax direction in 3D cluttered scenes V. Couture, M.S. Langer, A. Caine, R. Mann 6th International Conference on 3-D Digital Imaging and Modeling , pp. 357-364 Montreal, CA   Aug. 2007 PDF
• Can Lucas-Kanade be used to estimate motion parallax in 3D cluttered scenes? V. Couture, M.S. Langer,   4th Canadian Conference on Computer and Robot Vision pp. 63-70, Montreal, CA   May. 2007 PDF BEST VISION PAPER AWARD
  
• Motion of specularities on low-relief surfaces: frequency domain analysis Y. Farasat, M.S. Langer,   Human Vision and Electronic Imaging XII (IS&T/SPIE Symposium on Electronic Imaging) pp. 6492-1A, San Jose, CA   Feb. 2007 PDF
  
• Spatiotemporal power spectra of motion parallax: the case of cluttered 3D scenes D. Rivait, M.S. Langer,   Human Vision and Electronic Imaging XII (IS&T/SPIE Symposium on Electronic Imaging) pp. 6492-08, San Jose, CA   Feb. 2007 PDF
  
• Seeing around occluding objects,  S.  McCloskey,  M.S. Langer, K. Siddiqi,   International Conference on Pattern Recognition (ICPR) ,   pp. 963--966, Hong Kong Aug. 2006 
  
• The reverse projection correlation principle for depth from defocus,  S.  McCloskey,  M.S. Langer, K. Siddiqi,   Third International Symposium on 3D Data Processing, Visualization and Transmission (3DPVT)   Chapel Hill, USA   June, 2006 
• Motion parallax without motion compensation in 3D cluttered scenes,   M.S. Langer, V. Chapdelaine-Couture,  R. Mann,  S. Roy,  Third International Symposium on 3D Data Processing, Visualization and Transmission (3DPVT)   Chapel Hill, USA   June,  2006      (PDF) 
  
• Layered motion field visualization: perceptual issues,  M. S. Langer, D. Rekhi, J. Pereira, A. Bhatia, Second Symposium on Applied Perception in Graphics and Visualization (APGV 05)  pp. 37-42,  2005. (PDF)
  
• Principal components analysis of optical snow,   V. Chapdelaine-Couture,  S. Roy,  M. S. Langer, R. Mann.   British Machine Vision Conference (BMVC 2004), London U.K.   pp.  799-808.  2004.  (PDF)
  
• A spectral-particle hybrid method for rendering falling snow, M. S. Langer, L. Zhang, A.W. Klein, A. Bhatia, J. Pereira, D. Rekhi.   Rendering Techniques 2004  Eurographics Symposium on Rendering. A. Keller, H. W. Jensen (eds.)  pp. 217-226.   Norrkoping, Sweden.  2004  (PDF)    (videos)
• Estimating camera motion through a 3D cluttered scene,   R. Mann and M. S. Langer.  1st Canadian Conf. on Computer and Robot Vision. (CRV'04).  London, Canada. pp. 472-479 2004  >PDF BEST PAPER AWARD
• Rendering Falling Snow using an Inverse Fourier Transform,  L. Zhang and M. S. Langer,  SIGGRAPH 2003 Sketches & Applications (extended abstract- Full Conference DVD)    (PDF)
• Tracking through optical snow,  M. S. Langer and R. Mann,  Lecture Notes in Computer Science 2525:  Biologically Motivated Computer Vision,  2nd International Workshop,  H. H. Buelthoff, S.W. Lee, T.A. Poggio, C. Wallraven (Eds.),   pp. 181-188, Springer,  Nov. 2002 .    (PDF)
• Optical snow and the aperture problem,    R. Mann and M. S. Langer,     International Conference on Pattern Recognition,  Vol.  IV, pp. 264-267,  Quebec City,  Canada.     2002.  (PDF)
• A model of how interreflections can affect color appearance,  M.S. Langer,  Colour Research and Application  26(S1)  218-221  (2001).  (Special Issue: The Proceedings of the International Colour Vision Society.  Edited by C. R. Cavonius, K. Knoblauch, B. B. Lee, J. Pokorny.)    (PDF)
• Human perception of local shape from shading under variable lighting,  M.S. Langer and H. H. Buelthoff,    Workshop on Identifying Objects Across Variations in Lighting: Psychophysics & Computation, Kauai, Hawaii, USA.   2001.   (PDF)
• Dimensional analysis of image motion,  M.S.  Langer and R. Mann,   IEEE International Conference on Computer Vision.  Vol. 1 pp.155-162, Vancouver, Canada (2001). (PDF)
• Measuring Visual Shape using Computer Graphics Psychophysics, M.S. Langer and H.H. Buelthoff,  Eurographics Workshop on Rendering, (Eds.)    B. Péroche, H. Rushmeier. pp.  1-9,  Springer, Wien.  2000. (PDF)
• What is a Light Source?,  M.S. Langer and S.W. Zucker,  IEEE Conf. on Computer Vision and Pattern Recognition. pp. 172-178, San Juan, PR (1997).   (PDF)   BEST PAPER AWARD
• Towards Accurate Recovery of Shape from Shading Under Diffuse Lighting, A.J. Stewart and M.S. Langer,  IEEE Conf. on Computer Vision and Pattern Recognition. pp. 411-418. San Fran., CA. (1996).   (PDF)
• Space Occupancy Using Multiple Shadow Images,  M.S. Langer, G. Dudek and S.W. Zucker,  International Conf. on Intelligent Robotics and Systems. pp. 390-396, Pittsburg PA. (1995).
•  A ray-based computational model of light sources and illumination,  M.S. Langer and S.W. Zucker,  IEEE Workshop on Physics-based Modelling in Comp. Vis.. pp. 93-99, Cambridge, MA. (1995).
• Massively Parallel Radiosity in the Presence of Multiple Isotropic Volume Scattering, M.S. Langer, P. Breton and S.W. Zucker,  Graphics Interface. pp. 103-108, Quebec, Canada. (1995).
• Converging and Diverging Light Sources: A Computational Model of Spatially Varying Illumination.,  M.S. Langer and S.W. Zucker, Third European Conf. on Computer Vision. pp. 227-232, Stockholm, Sweden (1994).
• Diffuse Shading, Visibility Fields, and the Geometry of Ambient Light,  M.S. Langer and S.W. Zucker,  Fourth IEEE International Conf. on Computer Vision. pp. 138-147, Berlin, Germany. (1993).
• Qualitative Shape from Active Shading,  M.S. Langer and S.W. Zucker,  IEEE Conf. on Computer Vision and Pattern Recognition. pp. 713-715, Urbana-Champagne, IL. (1992).
• Shading Flow Fields and Scenel Bundles : An Overview,  P. Breton, L.A. Iverson, M.S. Langer and S.W. Zucker,  Second European Conf. on Computer Vision. pp. 135-150, Santa Margherita Ligure, Italy, Springer-Verlag, New York. (1992).

BOOK CHAPTERS

• On the computation of image motion and heading in a 3-D cluttered scene,  M. S. Langer and R. Mann,  in Optical Flow and Beyond, L. Vaina,  S. Beardsely, S. Rushton (Ed.), Kluwer Academic Press,  (2004) (PDF)
• Local Qualitative Shape from Active Shading, M.S. Langer and S.W. Zucker, in Exploratory Vision: The active eye. M. Landy, M. Pavel and L. Malony (ed.) pp. 191-201. Springer Verlag, New York. (1995).
• Shading Flow Fields and Scenel Bundles: A New Approach to Shape From Shading,  P. Breton, L.A. Iverson, M.S. Langer and S.W. Zucker,   in Neural Networks for Vision and Image Processing. G. Carpenter and S. Grossberg (eds.),  pp. 111-132. MIT Press, Cambridge, MA. (1992).

CONFERENCE ABSTRACTS

• Probabilities of binocular half-occlusions in 3-D cluttered scenes , European Conference on Visual Perception Utrecht, Aug. 2008
Motion parallax and specularities on smooth random surfaces,  M.S. Langer and Y. Farasat,  European Conf. on Visual Perception,  La Coruna, Spain, Aug. 2005

• Elongations at intensity maxima:  a cue to shading?  M.S. Langer and D. Gipsman,  Vision Sciences Society Annual Meeting, Sarasota FL May 2005
  
• Computation of heading from motion parallax in 3-D cluttered scenes, M.S. Langer and R. Mann,  Vision Sciences Society Annual Meeting, Sarasota FL May 2004
  
• How to make a motion parallax stimulus using an inverse Fourier transform,  L. Zhang, M.S. Langer,  European Conf. on Visual Perception, Paris, France, Sept. 2003
  
• Optical snow and the aperture problem,   M.S. Langer,  R. Mann,  European Conf. on Visual Perception,  Glasgow, U.K.  Aug. 2002.
• Motion transparency:  optical flow vs. optical snow,   M.S. Langer,  R. Mann,  European Conf. on Visual Perception,   Kusadasi, Turkey,  Aug. 2001
• A prior for global convexity in local shape from shading.  M. S. Langer, H. H. Buelthoff,  European  Conf. on Visual Perception. Groningen, The Netherlands, Aug. 2000.
• Color perception in a 3-D scene of one reflectance., M. S. Langer A. Gilchrist.,   ARVO Annual Meeting.  Ft. Lauderdale, May 2000.
• A model of how interreflections can affect color appearance,  M. S. Langer,   XVth Symposium of the International Colour Vision Society.  Goettingen, Germany. (1999)
• Shape from shading perception under diffuse lighting: does dark mean deep?  M.S. Langer and H.H. Buelthoff,  European Conf. on Visual Perception. Oxford, U.K. (1998).
• Qualitative Shape from Shading: Cloudy Days and Sunny Days,  M.S. Langer and H.H. Buelthoff,  ARVO Annual Meeting. Fort Lauderdale, FL. (1997).
• Reaction Time Processing for Multijoint Upper Limb Movement,  M.M. Thompson, W.G. Tatton, M.C. Verrier and M.S. Langer  Society for Neuroscience Annual Meeting. Washington DC. (1986).