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Changyin Zhou Read as: /chan in/ /zou/
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Ph.D |
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Computer Vision Lab, Computer Science Department |
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Columbia University in the City of New York |
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New York, NY 10027 | Email: Firstname.Lastname AT gmail.com | |||||
Hello, my name is Changyin Zhou. I have graduated from the CAVE lab of Computer Science Department, Columbia U. with a Ph.D degree. My advisor at Columbia U. was Prof. Shree Nayar. My Ph.D. research was mainly focused on computational imaging and physics-based vision, and my Ph.D. thesis is titled Point-spread-function Engineering for Scene Recovery. I received my MS in Computer Science and BS in Statistics, both from Fudan University, China. My master thesis was on pattern classification and feature selection. I worked for Microsoft Global Technical Engineering Center as an engineer from 2001 to 2003. I worked with Dr. Stephen Lin on image enhancement in Microsoft Research Asia in 2006, with Dr. Brian Guenter on camera and lens design in Microsoft Research Redmond in the summer of 2010, and with Dr. Kari Pulli on mobile computational photography in Nvidia Research in the summer of 2011. |
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I am currently a software engineer of Google [x]. |
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Publications | ||||
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Focal Sweep Photography for Space-time Refocusing
(new!) Changyin Zhou, Daniel Miau, and Shree Nayar Space-time refocus: www.focalsweep.com [project page][pdf (coming soon)][©]
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Robust Stereo with Flash and No-flash Image Pairs
(new!) Changyin Zhou, Alejandro Troccoli, and Kari Pulli CVPR 2012 (poster)
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Aperture
Evaluation for Defocus Deblurring and Extended Depth of Field
(new!) Changyin Zhou and Shree Nayar Technical Report, CUCS-007-12, Columbia University, April 2012 (A short version appears in ICCP'09.)
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Computational
Cameras: Convergence of Optics and Processing Changyin Zhou and Shree Nayar IEEE Transactions on Image Processing (TIP), Volume 20, Issue 12, Pages 3322-3340, 2011 See my candidacy talk for a basic idea of this review paper. |
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Coded Aperture Pairs for Depth from Defocus and Defocus Deblurring Changyin Zhou, Stephen Lin, and Shree Nayar International Journal of Computer Vision (IJCV), Volume 93, Number 1, Pages 53-72, 2011 This is an extended version of [Zhou et al., ICCV 2009]. |
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Programmable Aperture Camera Using LCoS Hajime Nagahara, Changyin Zhou, Takuya Watanabe, Hiroshi Ishiguro, and Shree Nayar The real-time LCoS implementation for DFD and light field capturing won Japan MIRU2011 demo award. |
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Diffusion Coded Photography for Extended Depth of Field Oliver Cossairt, Changyin Zhou, and Shree Nayar SIGGRAPH 2010 [project page] [pdf] [supplementary images] [derivations] [©] Patent with S.K. Nayar and O. Cossairt, Jan 2011 |
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Depth from Diffusion Changyin Zhou, Oliver Cossairt, and Shree Nayar CVPR 2010 (oral presentation) [project page] [pdf] [©] |
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Coded Aperture Pairs for Depth from Defocus Changyin Zhou, Stephen Lin, and Shree Nayar ICCV 2009 (oral presentation) [project page] [pdf] [supplementary materials] [code] [©] |
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What
are Good Apertures for Defocus Deblurring?
Changyin Zhou and Shree Nayar ICCP 2009 (oral presentation) [project page] [pdf] [slides] [code and data][©] |
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Flexible
Depth of Field Photography Hajime Nagahara, Sujit Kuthirummal, Changyin Zhou, and Shree Nayar ECCV 2008 (oral presentation) [project page] [pdf] [©] Patent with S.K. Nayar, H. Nagahara, and S. Kuthirummal, Oct 2009 |
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Removal
of Image Artifacts Due to Sensor Dust Changyin Zhou and Stephen Lin CVPR 2007 (oral presentation) Feature: http://research.microsoft.com/en-us/news/features/cvpr2007.aspx Patent with B. Guo and S. Lin, Dec 2007 |
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Improving
Nearest Neighbor Classification with Cam Weighted Distance Changyin Zhou and Yanqiu Chen Pattern Recognition, Volume 39, Issue 4, Pages 635-645, 2006 |
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* In computer vision, two leading journals are the International Journal of Computer Vision (IJCV), and the IEEE Transactions on Pattern Analysis and Machine Intelligence (PAMI). Leading conferences are IEEE CVPR, ICCV and ECCV. Papers in these conferences are rigorously reviewed, with acceptance rates around 20%, and below 5% for oral presentations. |
Course Projects | ||||
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Full Body 3-D
Scanning with Sam Calabrese and Abhishek Gandhi [project page][report][slides] [©] "This project is to create/manuplate a 3D model of a live human." Course: 3D Photography, Fall 2007, Prof. Peter Allen |
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Virtual Computational Camera Changyin Zhou [project page] [report] [slides] [©] "This project is to formulate/implement computational camera at an abstract level." Course: Computational Photography, Spring 2009, Prof. Peter Belhumeur |
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Color Sparse Coding Changyin Zhou [project page] [report] [slides] "This project is to extract/manipulate 'basic' image colors from a single image." Course: Advanced Machine Learning, Fall 2008, Prof. Tony Jebara |
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Human-aided Classification Changyin Zhou and Bingrui Yang [Human Classifier (exe)][slides] "This project is to evaluate/leverage the classification power of human being." Course: Biometrics, Fall 2007, Prof. Peter Belhumeur |
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Talks | |||
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Teaching Assistant | |||
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Honors and Certificates | |||
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Services | ||||
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Resources | |||
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