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Iman Sadeghi

From EverybodyWiki Bios & Wiki

Iman Sadeghi, Ph.D. (born 1984) is a computer scientist and a computer graphics researcher whose work has been cited over 700 times.[1] He is a Principal Software & Technology Consultant at Quandary Peak Research, a software consultation firm based in Los Angeles.[2] Previously, he held roles at Google, Walt Disney Animation Studios, and Lucasfilm.[3]

Education

Sadeghi earned a Ph.D. and a master’s degree in Computer Science from the University of California, San Diego, and a Bachelors of Science degree from Sharif University of Technology.[3][4]

Career

Sadeghi is currently a Principal Software & Technology Consultant at Quandary Peak Research.[2] He previously worked as a researcher and engineer at Walt Disney Animation Studios (2008-2009), Lucasfilm (2010), and Google (2011-2017).[3]

Inventions

Sadeghi's is a co-inventor of

  • US. Patent No. US 8,674,988 B2, titled System and Method for Artist Friendly Controls For Hair Shading, filed by Walt Disney Animation Studios in 2010[5][6] and cited in at least 6 times.[1]
  • US. Patent Publication No. US 2016/0027037 A1, titled Event Grouping Using Timezones, filed by Google in 2014[7] and cited at least 18 times.[1]

Research

Sadeghi's research spans photorealistic 3D rendering, physically-based simulations, and appearance modeling. His notable contributions include:

  • Hair Rendering: Published as Artist Friendly Hair Shading System, presented at the ACM SIGGRAPH 2010 conference[8][9][10][11] and cited at least 71 times.[1]
  • Rainbow Simulation: Published as Physically Based Simulation of Rainbows, presented at the ACM SIGGRAPH 2012 conference,[12][13][14][15] and cited at least 92 times.[1]
  • Cloth Rendering: Published as A Practical Microcylinder Appearance Model for Cloth Rendering, presented at the ACM SIGGRAPH 2013 conference,[16][17] and cited at least 93 times.[1]
  • Radiance Estimation: Published as A Comprehensive Theory of Volumetric Radiance Estimation Using Photon Points and Beams, presented at the ACM SIGGRAPH 2011 conference,[18][19] and cited at least 182 times.[1]

Film Contributions

Sadeghi's work on hair rendering technology was used in the production of the Disney animated film Tangled, where he is credited under Hair Rendering Development.'[20]

Media Coverage

Sadeghi’s research has received widespread media attention:

  • His work on rainbow simulation was featured by NBC News in articles titled Secret of 'Twinned Rainbows' Simulated on a Computer[21] and How Strange Twinned Rainbows Form[22], ABC News in an article titled Fake Rainbows Lead to Scientific Discovery[23],CNN in an article titled Seeing Double: Researchers Find Rainbow Connection[24], Discovery News in an article titled Secret of 'Twinned Rainbows' Found in Simulations[25], CNET in an article titled CGI Hackers Discover Secret of Rainbows[26], and HuffPost in an article titled Twinned Rainbows Formation Explained By New Research[27], SlashGear in an article titled Researchers Discover What Makes a Twin Rainbow[28], as well as other news entities.[29][30][31][32]
  • His hair rendering work was highlighted by AWN in the article Rapunzel Lets Her Hair Down in 'Tangled'[33] and by UC San Diego Today in the article It’s All About the Hair; Jacobs School alum develops better way to light and animate hair for Disney movies[34]
  • His cloth rendering research was covered by New Atlas in the article Computer Graphics Researchers Crack Realistic Fabric[35] and by UC San Diego Jacobs School of Engineering Nice Threads! Computer Scientists Develop New Model to Simulate Cloth on a Computer With Unprecedented Accuracy[36].
  • His award-winning rendering A Butterfly, A Water Drop and a High Speed Camera[37] was featured by UC San Diego Jacobs School of Engineering[38] and Calit2[39].

Awards

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 "Iman Sadeghi, Ph.D." scholar.google.com. Retrieved 2024-11-28.
  2. ↑ 2.0 2.1 "Quandary Peak Research | Iman Sadeghi, PhD | Principal Software & Technology Consultant". Quandary Peak Research. Retrieved 2024-11-27.
  3. ↑ 3.0 3.1 3.2 "JurisPro Expert Witness Directory | Iman Sadeghi, Ph.D." www.jurispro.com. Retrieved 2024-11-27.
  4. ↑ "Association for Computing Machinery | Iman Sadeghi, PhD". Author DO Series. Retrieved 2024-11-28.
  5. ↑ US8674988B2, Tamstorf, Rasmus; Iman Sadeghi & Charles T. Tappan, "System and method for artist friendly controls for hair shading", issued 2014-03-18 
  6. ↑ US20110304623A1, Tamstorf, Rasmus; Iman Sadeghi & Charles T. Tappan, "System and method for artist friendly controls for hair shading", issued 2011-12-15 
  7. ↑ US20160027037A1, Cai, Congxing; Iman Sadeghi & Farnaz Azmoodeh et al., "Event grouping using timezones", issued 2016-01-28 
  8. ↑ Sadeghi, Iman; Pritchett, Heather; Jensen, Henrik Wann; Tamstorf, Rasmus (2010-07-26). "An artist friendly hair shading system". ACM SIGGRAPH 2010 papers. SIGGRAPH '10. New York, NY, USA: Association for Computing Machinery. pp. 1–10. doi:10.1145/1833349.1778793. ISBN 978-1-4503-0210-4. Search this book on
  9. ↑ Sadeghi, Iman; Pritchett, Heather; Jensen, Henrik Wann; Tamstorf, Rasmus. "An artist friendly hair shading system". Transaction on Graphics (TOG).
  10. ↑ "Walt Disney Animation Studios - An Artist Friendly Hair Shading System". Walt Disney Animation Studios. Retrieved 2024-11-29.
  11. ↑ Walt Disney Animation Studios (2012-12-26). An Artist Friendly Hair Shading System. Retrieved 2024-11-29 – via YouTube.
  12. ↑ Sadeghi, Iman; Munoz, Adolfo; Laven, Philip; Jarosz, Wojciech; Seron, Francisco; Gutierrez, Diego; Jensen, Henrik Wann (2012-02-02). "Physically-based simulation of rainbows". ACM Trans. Graph. 31 (1): 3:1–3:12. doi:10.1145/2077341.2077344. ISSN 0730-0301.
  13. ↑ Sadeghi, Iman; Munoz, Adolfo; Laven, Philip; Jarosz, Wojciech; Seron, Francisco J.; Gutierrez, Diego; Jensen, Henrik Wann. "Physically Based Simulation of Rainbows". ACM Transactions on Graphics.
  14. ↑ "Physically-based Simulation of Rainbows | Disney Research Studios". studios.disneyresearch.com. Retrieved 2024-11-27.
  15. ↑ "Physically-based Simulation of Rainbows". Disney Research. Retrieved 2024-11-27.
  16. ↑ Sadeghi, Iman; Bisker, Oleg; De Deken, Joachim; Jensen, Henrik Wann (2013-04-30). "A practical microcylinder appearance model for cloth rendering". ACM Trans. Graph. 32 (2): 14:1–14:12. doi:10.1145/2451236.2451240. ISSN 0730-0301.
  17. ↑ Sadeghi, Iman; Bisker, Oleg; Deken, Joachim De; Jensen, Henrik Wann. "A Practical Microcylinder Appearance Model for Cloth Rendering". Transaction on Graphics (TOG).
  18. ↑ Jarosz, Wojciech; Zwicker, Matthias; Jensen, Henrik Wann (2008-08-11). "The beam radiance estimate for volumetric photon mapping". ACM SIGGRAPH 2008 classes. SIGGRAPH '08. New York, NY, USA: Association for Computing Machinery. pp. 1–112. doi:10.1145/1401132.1401137. ISBN 978-1-4503-7845-1. Search this book on
  19. ↑ ""A Comprehensive Theory of Volumetric Radiance Estimation Using Photon Points and Beams" by Jarosz, Nowrouzezahrai, Sadeghi and Jensen – ACM SIGGRAPH HISTORY ARCHIVES".
  20. ↑ "Walt Disney Animation Studios - An Artist Friendly Hair Shading System". Walt Disney Animation Studios. Retrieved 2024-11-27.
  21. ↑ "Secret of 'twinned rainbows' simulated on a computer". NBC News. 2011-12-09. Retrieved 2024-11-27.
  22. ↑ "How Strange Twinned Rainbows Form". NBC News. 2012-08-08. Retrieved 2024-11-27.
  23. ↑ ABC News. "Fake Rainbows Lead to Scientific Discovery". ABC News. Retrieved 2024-11-27.
  24. ↑ "Seeing double: Researchers find rainbow connection – Light Years - CNN.com Blogs". 2023-01-29. Archived from the original on 2023-01-29. Retrieved 2024-11-27.
  25. ↑ "Secret of 'Twinned Rainbows' Found in Simulations : Discovery News". 2012-05-12. Archived from the original on 2012-05-12. Retrieved 2024-11-27.
  26. ↑ "CGI hackers discover secret of rainbows". CNET. Retrieved 2024-11-27.
  27. ↑ "How Are Twinned Rainbows Formed?". HuffPost. 2012-08-10. Retrieved 2024-11-27.
  28. ↑ McGlaun, Shane (2011-12-12). "Researchers Discover What Makes A Twin Rainbow". SlashGear. Retrieved 2024-11-27.
  29. ↑ "How rare are double rainbows?". HowStuffWorks. 1970-01-01. Retrieved 2024-11-27.
  30. ↑ Union-Tribune, Gary Robbins | The San Diego (2011-12-29). "UCSD reveals surprise about rainbows". San Diego Union-Tribune. Retrieved 2024-11-27.
  31. ↑ "Computer Simulations Shed Light on the Physics of Rainbows". today.ucsd.edu. Retrieved 2024-11-27.
  32. ↑ UCSD Jacobs School of Engineering (2010-08-06). "Reverse rainbows shine light on butterfly behavior". Physics. 3. Bibcode:2010PhyOJ...3S.107.. doi:10.1103/physics.3.s107. ISSN 1943-2879.
  33. ↑ "Rapunzel Lets Her Hair Down in 'Tangled'". Animation World Network. Retrieved 2024-11-28.
  34. ↑ "It's All About the Hair". today.ucsd.edu. Retrieved 2024-11-29.
  35. ↑ "Computer graphics researchers crack realistic fabric". New Atlas. 2013-08-14. Retrieved 2024-11-28.
  36. ↑ "Nice Threads! Computer scientists develop new model to simulate cloth on a computer with unprecedented accuracy". jacobsschool.ucsd.edu. Retrieved 2024-11-29.
  37. ↑ 37.0 37.1 "UCSD Computer Graphics Rendering Competition 2007". 2007-08-24. Archived from the original on 2007-08-24. Retrieved 2024-11-28.
  38. ↑ "Butterfly Beats Kitchen: UCSD Graphics Competition". jacobsschool.ucsd.edu. Retrieved 2024-11-28.
  39. ↑ "Calit2 : A Butterfly Takes Flight at UCSD Computer Graphics Competition". www.calit2.net. Retrieved 2024-11-28.


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