| 词条 | Marc Levoy |
| 释义 |
| name = Marc Levoy | image = Marc_Levoy.jpg | caption = | birth_date = | birth_place = | death_date = | death_place = | residence = United States | citizenship = | nationality = United States | ethnicity = | fields = Computer Graphics, Computer Vision | workplaces = Stanford University | alma_mater = Cornell University University of North Carolina at Chapel Hill | doctoral_advisor = | academic_advisors = | doctoral_students = | notable_students = | known_for = Volume rendering Light fields 3D scanning Stanford Bunny | influences = | influenced = | awards = Siggraph Computer Graphics Achievement Award (1996), ACM Fellow (2007) | religion = | signature = | footnotes = }} Marc Levoy is a computer graphics researcher and Professor Emeritus of Computer Science and Electrical Engineering at Stanford University and a Distinguished Engineer at Google. He is noted for pioneering work in volume rendering, light fields, and computational photography. Education and early careerLevoy first studied computer graphics as an architecture student under Donald P. Greenberg at Cornell University. He received his B.Arch. in 1976 and M.S. in Architecture in 1978. He developed a 2D computer animation system as part of his studies, receiving the Charles Goodwin Sands Memorial Medal for this work. Greenberg and he suggested to Disney that they use computer graphics in producing animated films, but the idea was rejected by several of the Nine Old Men who were still active. Following this, they were able to convince Hanna-Barbera Productions to use their system for television animation. Despite initial opposition by animators, the system was successful in reducing labor costs and helping to save the company, and was used until 1996.[1] Levoy worked as director of the Hanna-Barbera Animation Laboratory from 1980 to 1983. He then did graduate study in computer science under Henry Fuchs at the University of North Carolina at Chapel Hill, and received his Ph.D. in 1989. While there, he published several important papers in the field of volume rendering, developing new algorithms (such as volume ray tracing), improving efficiency, and demonstrating applications of the technique.[2] Teaching careerHe joined the faculty of Stanford's Computer Science Department in 1990. In 1991, he received the National Science Foundation's Presidential Young Investigator Award. In 1994, he co-created the Stanford Bunny, which has become an icon of computer graphics. In 1996, he and Pat Hanrahan coauthored the paper, "Light Field Rendering," which forms the basis behind many image-based rendering techniques in modern-day computer graphics. His lab also worked on applications of light fields, developing technologies such as a light-field camera and light-field microscope, and on computational photography. (The phrase "computational photography" was first used by Steve Mann in 1995.{{citation needed|date=January 2017}} It was re-coined and given a broader meaning by Levoy for a course he taught at Stanford in 2004[3] and a symposium he co-organized in 2005.[4]) Levoy took a leave of absence from Stanford in 2011 to work at GoogleX as part of Project Glass. In 2014, he retired from Stanford to become full-time at Google, where he currently leads a team in Google Research[5] that works broadly on cameras and photography. One of his projects is HDR+ mode[6] for Google Pixel smartphones.[7] In 2016, the French agency DxO gave the Pixel the highest rating ever given to a smartphone camera,[8] and again in 2017 for the Pixel 2.[9] His team also developed Portrait Mode, a single-camera background defocus technology launched in October 2017 on Pixel 2,[10] and Night Sight, a technology for taking handheld pictures without flash in very low light launched in November 2018 on all generations of Pixel phones.[11] Finally, his team worked on underlying technologies for Project Jump,[12] a light field camera that captures stereo panoramic videos for VR headsets.[13] Although Levoy no longer teaches at Stanford, a course he taught on digital photography[14] that was rerecorded at Google in 2016 and is available online for free.[15] Awards and honorsFor his work in volume rendering, Levoy was the recipient of the ACM SIGGRAPH Computer Graphics Achievement Award in 1996.[2] In 2007, he was inducted as a Fellow of the Association for Computing Machinery "for contributions to computer graphics".[16] Notable publications
|title=Display of Surfaces from Volume Data |author=Marc Levoy |journal=IEEE Computer Graphics and Applications |volume= 8 |issue=3 |date=May 1988 |url=https://graphics.stanford.edu/papers/volume-cga88 }}
|title=Fast Volume Rendering Using a Shear-Warp Factorization of the Viewing Transformation |author1=Philippe Lacroute |author2=Marc Levoy |lastauthoramp=yes |journal=Proceedings of SIGGRAPH 1994 |url=https://graphics.stanford.edu/papers/shear }}
|title=A Volumetric Method for Building Complex Models from Range Images |author1=Brian Curless |author2=Marc Levoy |lastauthoramp=yes |journal=Proceedings of SIGGRAPH 1996 |url=https://graphics.stanford.edu/papers/volrange }}
|title=Light Field Rendering |author1=Marc Levoy |author2=Pat Hanrahan |lastauthoramp=yes |journal=Proceedings of SIGGRAPH 1996 |url=https://graphics.stanford.edu/papers/light }}
|title=The Digital Michelangelo Project: 3D scanning of large statues |author1=Marc Levoy |author2=Kari Pulli |author3=Brian Curless |author4=Szymon Rusinkiewicz |author5=David Koller |author6=Lucas Pereira |author7=Matt Ginzton |author8=Sean Anderson |author9=James Davis |author10=Jeremy Ginsberg |author11=Jonathan Shade |author12=Duane Fulk |last-author-amp=yes |journal=Proceedings of SIGGRAPH 2000 |url=https://graphics.stanford.edu/papers/dmich-sig00 }}
|title=Light Field Microscopy |author1=Marc Levoy |author2=Ren Ng |author3=Andrew Adams |author4=Matthew Footer |author5=Mark Horowitz |journal=Proceedings of SIGGRAPH 2006 |url=http://graphics.stanford.edu/papers/lfmicroscope }}
|title=Halide: decoupling algorithms from schedules for high performance image processing |author1=Jonathan Ragan-Kelley |author2=Andrew Adams |author3=Connelly Barnes |author4=Dillon Sharlet |author5=Sylvain Paris |author6=Marc Levoy |author7=Saman Amarasinghe |author8=Fredo Durand |last-author-amp=yes |journal=Communications of the ACM |url=http://graphics.stanford.edu/papers/halide-cacm18/halide-cacm18.pdf }} (January, 2018)
References1. ^{{cite web|url=http://graphics.stanford.edu/%7Elevoy/sands_award.html|title= 1976 Charles Goodwin Sands Memorial Medal}} 2. ^1 {{cite web|url=http://old.siggraph.org/awards/1996/AchievementAward.html|title=1996 SIGGRAPH Achievement Award}} 3. ^{{cite web|url=http://graphics.stanford.edu/courses/cs448-04-spring|title=Stanford University — CS 448 (2004)}} 4. ^{{cite web|url=http://scpv.csail.mit.edu|title=2005 Symposium on Computational Photography and Video}} 5. ^{{cite web|url=https://research.google.com|title=Google Research}} 6. ^{{cite web|url=http://googleresearch.blogspot.com/2014/10/hdr-low-light-and-high-dynamic-range.html|title=HDR+: Low Light and High Dynamic Range photography in the Google Camera App|publisher=Google Research Blog|date=2014}} 7. ^{{cite web|url=https://www.theverge.com/2016/10/18/13315168/google-pixel-camera-software-marc-levoy|title=HDR+}} 8. ^{{cite web|url=https://www.dxomark.com/Mobiles/Pixel-smartphone-camera-review-At-the-top|title=Pixel smartphone camera review: At the top|publisher=DxOMark|date=2016}} 9. ^{{cite web|url=https://www.dxomark.com/google-pixel-2-reviewed-sets-new-record-smartphone-camera-quality|title=Google Pixel 2 reviewed: Sets new record for overall smartphone camera quality|publisher=DxOMark|date=2017}} 10. ^{{Cite web|url=https://ai.googleblog.com/2017/10/portrait-mode-on-pixel-2-and-pixel-2-xl.html|title=Portrait mode on the Pixel 2 and Pixel 2 XL smartphones|last=Marc Levoy & Yael Pritch|first=|date=|website=|publication-date=October 17, 2017|archive-url=|archive-date=|dead-url=|access-date=}} 11. ^{{Cite web|url=https://ai.googleblog.com/2018/11/night-sight-seeing-in-dark-on-pixel.html|title=Night Sight: Seeing in the Dark on Pixel Phones|last=Marc Levoy & Yael Pritch|first=|date=|website=Google AI Blog|publication-date=November 14, 2018|archive-url=|archive-date=|dead-url=|access-date=|postscript=}} 12. ^{{cite web|url=http://vr.google.com/jump|title=Google — Jump}} 13. ^{{cite web|url=https://static.googleusercontent.com/media/research.google.com/en//pubs/archive/45617.pdf|title=Jump: Virtual Reality Video|author1=Robert Anderson |author2=David Gallup |author3=Jonathan T. Barron |author4=Janne Kontkanen |author5=Noah Snavely |author6=Carlos Hernandez Esteban |author7=Sameer Agarwala |author8=Steven M. Seitz|book-title=Proc. SIGGRAPH Asia|publisher=ACM|date=2016}} 14. ^{{cite web|url=http://graphics.stanford.edu/courses/cs178|title=Stanford University — CS 178 (2014)}} 15. ^{{cite web|url=https://sites.google.com/site/marclevoylectures|title=Lectures on Digital Photography|author1=Marc Levoy|date=2016}} 16. ^{{Cite web|url=https://awards.acm.org/award_winners/levoy_2513653|title=Marc Levoy – ACM Fellows (2007)|website=awards.acm.org|language=en|access-date=2018-12-09}} External links
9 : Computer graphics professionals|Cornell University College of Architecture, Art, and Planning alumni|Stanford University School of Engineering faculty|Fellows of the Association for Computing Machinery|1953 births|Living people|Educators from New York City|University of North Carolina at Chapel Hill alumni|Google employees |
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