List of Publications

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Natural scene statistics and distance perception: ground surface and non-ground objects X. Morin Duchesne, M. S. Langer Journal of Perceptual Imaging 5:000503, July 2022 (PDF) Itek Award (best student paper in 2022 IS&T journals) (link)

Specular Streaks in Stereo M. S. Langer, D. Bourque 26th International Conference on Pattern Recognition (ICPR) Aug. 2022, Montreal, CA (PDF)

Gated2Gated: Self-Supervised Depth Estimation from Gated Images M. Bijelic, W. Ritter, S. Walz, A. Walia, F. Julca-Aguilar, F. Mannan, M. Langer, F. Heide IEEE Conference on Computer Vision and Pattern Recognition (CVPR), New Orleans LA, June 2022 (PDF)

Interreflections. M.S. Langer. Computer Vision . Springer, Cham. Ikeuchi K. (eds) (2021) DOI

Perception of a black room seen through a veiling luminance. A. Gilchrist & M. S. Langer. i-Perception , 11(6), 1–9. (2020). (PDF)

Depth from Defocus on a Transmissive Diffraction Mask-based Sensor N. Kunnath, J. Cho, M.S. Langer 17th Conference on Computer and Robot Vision May 2020 (PDF)

Density discrimination with occlusions in 3D clutter M. Scaccia, M.S. Langer Journal of Vision October 2019, 19 (10) (PDF)

A Psychophysical Evaluation of Texture Compression Masking Effects G. Lavoue, M.S. Langer, A. Peytavie, P. Poulin, IEEE Transactions on Visualization and Computer Graphics Feb. 2018 (PDF)

Signs of depth-luminance covariance in 3D cluttered scenes M. Scaccia, M.S. Langer Journal of Vision March 2018, 18 (5) (PDF)

Defocus Discrimination in Video: Motion in Depth V. A. Petrella, S. Labute, M.S. Langer, P. G. Kry, i-Perception, Nov. (2017) (PDF)

Depth discrimination from occlusions in 3D clutter   M.S. Langer, H. Zheng, S. Rezvankhah Journal of Vision 16: 11, Sept. (2016) (PDF)

Discriminative filters for depth from defocus   F. Mannan and M.S. Langer, International Conference on 3D Vision , Stanford CA, Oct 2016 (PDF)

What is a good model for depth from defocus?   F. Mannan and M.S. Langer, 13th Conference on Computer and Robot Vision , Victoria, Canada, June 2016 (PDF)

Blur calibration for depth from defocus   F. Mannan and M.S. Langer, 13th Conference on Computer and Robot Vision , Victoria, Canada, June 2016 (PDF)

Optimal camera parameters for depth from defocus   F. Mannan and M.S. Langer, International Conference on 3D Vision (3DV) , Lyon France, pp. 326-334, Oct. 2015 (PDF)

Are blur and disparity complementary cues to depth? M. S. Langer, R. A. Siciliano, Vision Research 107, pp. 15-21 (2015) (PDF)

Interreflections. M. S. Langer, Computer Vision, A Reference Guide K. Ikeuchi ed., Springer 2014, 423-424 (PDF)

Qualitative shape from shading, highlights, and mirror reflections A. Faisman, M. S. Langer, Journal of Vision, (PDF) 13(5) 2013

How does lighting direction affect shape perception of glossy and matte surfaces? A. Faisman, M. S. Langer, Proceedings of the ACM Symposium on Applied Perception, Dublin, U.K. Aug. 2013 (PDF)

Environment maps and the perception of shape from mirror reflections A. Faisman, M. S. Langer Proceedings of the ACM Symposium on Applied Perception (SAP '13), p. 124, Dublin, U.K. Aug. 2013 (ref)   (PDF)

Omnistereo video textures without ghosting , V. Couture, M.S. Langer, S. Roy, 3DV: Third Joint 3DIM/3DPVT Conference Seattle, WA June 2013 (PDF)

Visibility in three-dimensional cluttered scenes , M. S. Langer, F. Mannan Journal of the Optical Society of America 29:9, pp. 1794--1807 (PDF)

Perception of blending in stereo motion panoramas , V. Couture, M.S. Langer, S. Roy, ACM Transactions on Applied Perception 9 (3), July 2012 (PDF)

Panoramic stereo video textures, V. Couture, M.S. Langer, S. Roy IEEE International Conference on Computer Vision (ICCV) Barcelona, Spain. Nov. 2011 (PDF)

Performance of Stereo Methods in Cluttered Scenes, F. Mannan, M. S. Langer, Eighth Canadian Conference on Computer and Robot Vision (CRV), May 2011 (PDF)

Removal of Partial Occlusion from Single Images, S. McCloskey, M.S. Langer, K. Siddiqi, IEEE Trans. Pattern Analysis and Machine Intelligence 33(3), pp. 647--654, 2011. (PDF)

Performance of MRF-based Stereo Algorithms for 3D cluttered scenes, F. Mannan and M.S. M.S. Langer, in Brain, Body, and Machines: Advances in Intelligent and Soft Computing 2010, Vol. 83/2010, pp. 125-136

Capturing Non-Periodic Omnistereo Motions V. Couture, M.S. Langer, S. Roy 10th Workshop on Omnidirectional Vision, Camera Networks and Non-classical Cameras (OMNIVIS), June 2010, Zaragoza, Spain (PDF)

Analysis of Disparity Distortions in Omnistereoscopic Displays V. Couture, M.S. Langer, S. Roy, ACM Transactions on Applied Perception vol. 7 no. 4 (2010) (PDF)

Removing Partial Occlusion From Blurred Thin Occluders S. McCloskey, M.S. Langer, K. Siddiqi, 20th International Conference on Pattern Recognition (ICPR) pp. 4400-4403, Aug. 2010. Istanbul, Turkey

Guest Editorial: Special issue on applied perception in graphics and visualization (APGV 07) ACM Transactions on Applied Perception, vol. 5, no. 4 2009 (PDF)

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) (PDF)

Planar Orientation from Blur Gradients in a Single Image S. McCloskey and M.S. Langer, IEEE Conference on Computer Vision and Pattern Recognition (CVPR), pp. 2318-2325, Miami June 2009 (PDF)

Surface visibility probabilities in 3D cluttered scenes, M.S. Langer, 10th European Conference on Computer Vision (ECCV), 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 (CRV), May 2008 (PDF)

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. (PDF)

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. (PDF)

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 cluttered 3D 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) 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) San Jose, CA   Feb. 2007 (PDF)

Perceptual limits on 2D motion-field visualization M. S. Langer,  J. Pereira,  D. Rekhi,    ACM Transactions on Applied Perception, 3(3) pp. 179--193 (2006)   (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)

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)

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

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)

Optical Snow,  M.S. Langer and R. Mann,  International Journal of Computer Vision  55(1): 55-71,  2003.  (PDF)

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 prior for global convexity in local shape from shading,  M.S. Langer and H. H. Buelthoff,   Perception. 30(4):403-410,  2001.   (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)

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)

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)

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)

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).

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).

Shape from Shading on a Cloudy Day,  M.S. Langer, S. W. Zucker,   Journal of Optical Society of America. 11: 467-478,  1994.  (PDF)

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).

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).