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Discovering State Variables Hidden in Experimental Data Boyuan Chen, Kuang Huang, Sunand Raghupathi Ishaan Chandratreya, Qiang Du, Hod Lipson All physical laws are described as relationships between state variables that give a complete and non-redundant description of the relevant system dynamics. However, despite the prevalence of computing power and AI, the process of identifying the hidden stat
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FontCode: Embedding Information in Text Documents using Glyph Perturbation We introduce FontCode, an information embedding technique for text documents. Provided a text document with specific fonts, our method embeds user-specified information in the text by perturbing the glyphs of text characters while preserving the text content. We devise an algorithm to choose unobtrusive yet machine-recogniz
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Foundations of Graphical Models Fall 2016 Columbia University Course information Description and Syllabus Instructor: David M. Blei (office hours) Teaching Assistant: Maja Rudolph (OH Thursdays 4:00PM-5:00PM; Mudd 4th floor DSI) Teaching Assistant: Dustin Tran (OH Wednesdays 2:00PM-3:00PM; Mudd 4th floor DSI) Meeting: Tuesdays and Thursdays,10:10AM-11:25AM, 903 SSW Piazza site Course materials Bel
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Linux Memory Management COMS W4118 Prof. Kaustubh R. Joshi krj@cs.columbia.edu hFp://www.cs.columbia.edu/~krj/os 4/3/13 COMS W4118. Spring 2013, Columbia University. Instructor: Dr. Kaustubh Joshi, AT&T Labs. 1 References: OperaWng Systems Concepts (9e), Understanding the Linux Kernel (3rd ediWon) by Bovet and CesaW, previous W4118s Copyright no2ce: care has been taken to use only those web images
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Support Vector Machine (and Statistical Learning Theory) Tutorial Jason Weston NEC Labs America 4 Independence Way, Princeton, USA. jasonw@nec-labs.com 1 Support Vector Machines: history • SVMs introduced in COLT-92 by Boser, Guyon & Vapnik. Became rather popular since. • Theoretically well motivated algorithm: developed from Statistical Learning Theory (Vapnik & Chervonenkis) since the 60s. • Emp
citation: @article{UKIG:2011, author = {Nobuyuki Umetani and Danny M. Kaufman and Takeo Igarashi and Eitan Grinspun}, title = {Sensitive Couture for Interactive Garment Editing and Modeling}, journal = {ACM Transactions on Graphics (SIGGRAPH 2011)}, year = {2011}, volume = {30}, number = {4} } funding: This work was supported in part by the Funai Overseas Scholarship, the JSPS, the Sloan Foundatio
Michael Collins Vikram S. Pandit Professor of Computer Science, Columbia University. Office: Room 723, Schapiro CESPR Email: mcollins [at] cs.columbia.[first 3 letters in "education"] Mailing Address: Columbia University Department of Computer Science 1214 Amsterdam Avenue M/C 0401 450 CS Building New York, NY 10027 Affiliations: Columbia University, Google NYC. Current teaching (Spring 2020): COM
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As a Christmas present to myself in 2007, I implemented an 1980s-era Apple II+ in VHDL to run on an Altera DE2 FPGA board. The point, aside from entertainment, was to illustrate the power (or rather, low power) of modern FPGAs. Put another way, what made Steve Jobs his first million can now be a class project for my 4840 embedded systems class. What is an Apple II? The Apple II was one of the firs
Access Instructions To download the 100 object database click at: [processed]. For formal documentation look at the corresponding compressed technical report, [gzipped]. The unprocessed database has not been retained. "Columbia Object Image Library (COIL-100)," S. A. Nene, S. K. Nayar and H. Murase, Technical Report CUCS-006-96, February 1996. [gzipped][uncompressed] Contact person for COIL-100
Abstract Filtering is critical for representing image-based detail, such as textures or normal maps, across a variety of scales. While mipmapping textures is commonplace, accurate normal map filtering remains a challenging problem because of nonlinearities in shading--we cannot simply average nearby surface normals. In this paper, we show analytically that normal map filtering can be formalized as
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Kevin Chiu Columbia University New York, NY USA kgc2113@columbia.edu Abstract In this project, we developed a 2D barcode-reading application for the iPhone that is capable of reading URLs from barcodes and launching them using the phone's built-in browser. Introduction In this project, we developed a 2D barcode reader for the iPhone that can recognize URLs embedded in QR codes, and launch URLs in
Preface (suggested by Bob Briscoe) Be clear what you're trying to say before you write it. Don't get attached to words you have written; be prepared to scrap what you wrote while you were thrashing around trying to work out what you wanted to say, even if its a whole paper. Like almost all rules, there are cases where breaking them is a good idea and seasoned writers may well object with "but" res
Writing Technical Articles The notes below apply to technical papers in computer science and electrical engineering, with emphasis on papers in systems and networks. Read Strunk and White, Elements of Style. Again. Give the paper to somebody else to read. If you can, find two people: one person familiar with the technical matter, another only generally familiar with the area. Papers can be divided
Is RTP a transport protocol or a kind of application protocol? RTP does not ensure real-time delivery. So how come it is called a real-time protocol? Is RTP an unreliable protocol? Are there any mechanisms provided for error recovery in RTP? Can RTP run over IPv6? ATM? Can RTP be used in asymmetric networks? Why doesn't RTP have a length field? Does RTP have a fixed packetization interval? Are all
SIP, the Session Initiation Protocol, is a signaling protocol for Internet conferencing, telephony, presence, events notification and instant messaging. SIP was developed within the IETF MMUSIC (Multiparty Multimedia Session Control) working group, with work proceeding since September 1999 in the IETF SIP working group. A number of standardization organizations and groups are using or considering
From Brain-Computer Interfaces to AI-Enhanced Diagnostics: Developing Cutting-Edge Tools for Medical and Interactive Technologies This thesis presents a series of studies that explore advanced computational techniques and interfaces in the domain of human-computer interaction (HCI), specifically focusing on brain-computer interfaces (BCIs), vision transformers for medical diagnosis, and eye-tracki
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