Posts

October 02, 2014

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12:28 PM | Nuit Blanche in Review ( September 2014 )
Since the last Nuit Blanche in Review ( August 2014 ), we've seen quite a few implementation out but also we also attained a new milestone ( The Long Distance Blogger  ). We also had a some meetings and meetups, and in the course of these proceedings, we sometimes lose sight of what is happening. I tried to clinch that magic back in Unfiltered Access. Anyway, without further ado, here is a summary of this past month activity on Nuit Blanche:  Implementations:Alternating proximal […]
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9:07 AM | When will BLAST get its Nobel Prize?
It’s Nobel Prize Season and there is inevitable speculation on who will get one. I have a negative prediction: The Prize will not be award to the creators of BLAST. However, I think the creators of BLAST should get a Nobel Prize. … Continue reading →
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5:56 AM | Adam Savage's Samurai Armor Costume
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5:43 AM | On the master theorem vs Akra-Bazzi
Everyone knows the master theorem. Or at least everyone reading this blog does. And I'm almost certain that everyone reading this blog has heard of the generalization of the master theorem due to Akra and Bazzi. It's particularly useful when you have recurrences of the form $$ T(n) = \sum_i a_i T(n/b_i) + g(n) $$because like the master theorem it gives you a quick way to generate the desired answer (or at least a guess that you can plug in to the recurrence to […]

October 01, 2014

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7:39 PM | Come and do a funded PhD with me
Fancy doing a PhD with me at Cardiff Metropolitan University? I have a fully-funded studentship (for UK/EU students) starting in January, in collaboration with HP in Bristol: The Department of Computing & Information Systems, Cardiff Metropolitan University, is pleased to offer a fully funded PhD Studentship in Provably Optimal Code Generation. This research project (Scaling […]
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4:00 PM | Turning Tiny Satellites into Cheap, Deep Space Drones
There are lots of tiny little satellites orbiting the earth above your head right now. But that’s all they do: orbit, around and around. There is a plan, however, to give these cheap, so-called CubeSats the ability to strike out on their own. With the aid of some relatively simple propulsion technology, the goal is to push these tiny satellites beyond earths’s gravitational pull and into the outer reaches of space.The idea is that, in the not so distant future, unmanned space […]
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3:40 PM | The Busy Beaver Problem
Can the impossible become practical? Complex analysts gallery source Tibor Radó was a mathematician who was the PhD advisor to a number of computer scientists. They include Shen Lin, Paul Young, and several others. All were his students while he was at Ohio State University. He is not the Rado of the Erdős-Ko-Rado theorem—that is […]
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3:35 PM | Government Granting Agencies and Wastin’ Time
NPR some time back had an article on scientists leaving science, mostly because government funding of research has become more like a sweepstakes than a well. I had posted a couple of comments in the following thread, and I’d rather those didn’t get lost, as Google seems not to take note of or index comments […]
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3:20 PM | Keynote on Pervasive Play & Social Media
This Friday I have been invited to present the keynote in the Social Media in Education seminar, organised by TAOKK & TAMK in Tampere. My title is “Mobile and Pervasive Play – the New Potentials for Communication, Information Seeking and … Continue reading →
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8:30 AM | Sparse Representation Issues in Hyperspectral and Multispectral Images
I just compiled a list of a few preprints and papers that recently came out in support of hyperspectral work and its relation to either compressive sensing or advanced matrix factorization. Without further ado:Self-Dictionary Sparse Regression for Hyperspectral Unmixing: Greedy Pursuit and Pure Pixel Search are Related by Xiao Fu, Wing-Kin Ma, Tsung-Han Chan, José M. Bioucas-DiasThis paper considers a recently emerged hyperspectral unmixing formulation based on sparse regression of a […]
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6:26 AM | Tested In-Depth: iPhone 6 and iPhone 6 Plus
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September 30, 2014

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9:58 PM | Appreciating the Art of Film Editing
Years ago, I interviewed a number of film editors, which was a fascinating experience for me. You can learn a lot about the storytelling process from editors; they're in charge of one of the most important and under-appreciated aspects of filmmaking: choosing not only what shots to leave in, but what to leave out. The collaboration between director and editor on a movie is crucial, because having complete freedom with no outside guidance can ruin a film just as much as having no freedom at […]
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8:00 PM | X-Men: Days Of Future Past VFX Breakdown
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7:00 PM | In Brief: Arduino Announces $1000 3D Printer
Arduino today announced its Materia 101, a $1000 pre-assembled 3D printer that will debut at Maker Faire Rome early next month. It also will be sold as an $800 kit. The 1.75mm PLA printer was designed in collaboration with ShareBot, and looks like a rebadged ShareBot running an Arduino Mega 2560. The printer has is 31cm x 33cm x 35cm large, and its print bed is 14cm x 10cm x 10cm. Not too big, and it doesn't look like it'll be upgradable, either. This announcement comes shortly after the […]
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5:30 PM | Microsoft Announces Windows 10
This morning at a San Francisco press event, Microsoft's Windows Chief Terry Myerson announced that the next version of Windows would be called Windows 10. Like Windows 8 and 8.1 (which I guess was Windows 9), Windows 10 will be one operating system that runs on traditional desktop and laptop PCs, as well as touch-only and hybrid devices like tablets and Microsoft's own Surface. It will also be Microsoft's mobile OS, as well as their Enterprise OS.For desktop Windows users, we'll see the […]
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3:30 PM | University of Rochester's Optical "Cloaking"
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2:46 PM | Ce Soir: Machine Learning Meetup Hors-Série #1 (season 2): Datajournalisme
c Thanks to Numa and HopWork, Chrystèle, Franck and I will be hosting a "Hors-Série" of our Machine Learning Meetup on the theme of Data Journalism. At least the first guest will speak in English while the others are expected to speak french (slides ought to be in english). The video of the meetup is at the top of this blog entry and it should start around 6:50/6:55PM Paris time (CET).Invités confirmés : Chris Wiggins, chief data scientist au New York […]
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1:00 PM | Guardians of the Galaxy SPOILERCAST - 9/30/2014
This week, Adam, Norm, and Will spoil Guardians of the Galaxy. This episode is filled with plot details, character developments, and other spoilers for the film Guardians of the Galaxy, so if you don't want that, don't listen.
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10:14 AM | Using the Ensembl Regulatory Build to annotate some VCF files
via UCSC Genome Browser project announcements: "Data from the Ensembl Regulatory Build are now available in the UCSC Genome Browser as a public track hub for both hg19 and hg38. This track hub contains promoters and their flanking regions, enhancers, and many other regulatory features predicted across a number of cell lines using annotated segmentation states".For example looking at chr21:
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8:05 AM | Imatra
I will be talking today about “Playfulness and the Transformation of Learning” (“Pelillisyys, leikillisyys ja oppimisen muodonmuutos”) in teacher education event in Imatra, Eastern Finland. There will be also an opportunity to provide some demonstrations on the most popular digital … Continue reading →
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6:43 AM | CFP: DiGRA 2015
Call for papers: DiGRA 2015 Diversity of play: Games – Cultures – Identities 14-17 May 2015, Lüneburg, Germany www.digra2015.org Video game culture has had a self-image of being a distinct cultural form united by participants identifying themselves as ‘gamers’ for many years. Variations in this identity … Continue reading →
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6:39 AM | Bits to Atoms: Building an 'Evil Dead' Chainsaw
Evil Dead 2 is one of my favorite movies of all-time; one that I may have bought more times than even Star Wars. (I own it on Betamax!) My wife even took me to the site of the original Evil Dead cabin near her home in Tennessee. For those who have not experienced this gem, at a pivotal moment in the film, Ash, played the amazing Bruce Campbell, replaces his severed hand (which he cut off because it was possessed) with a chainsaw. He then uses said chainsaw to saw off the barrel of his shotgun, […]
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5:00 AM | Map Estimation for Bayesian Mixture Models with Submodular Priors ( and slides Fourth Cargese Workshop on Combinatorial Optimization )
We saw submodularity here before, take for instance Francis Bach's slides (page 99 and up) on Structured sparsity through convex optimization , where he mentions the use of submodularity to find new regularizers).  Here is another way of using submodularity in compressive sensing: Map Estimation for Bayesian Mixture Models with Submodular Priors by Marwa El Halabi, Luca Baldassarre and Volkan Cevher We propose a Bayesian approach where the signal structure can be represented by a mixture […]
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4:38 AM | Seen on PBS: Weird Guy from AEI
The PBS NewsHour this past evening had a guest on from the American Enterprise Institute, one Frederick Hagan. Mr. Hagan apparently is critical of the president and administration concerning the problem of the “Islamic State” (ISIS, ISIL, or Daesh, depending on your outlook) in Iraq. It was all pretty much boiler-plate grousing, with copious “I […]
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12:36 AM | Building a Custom Arcade Cabinet, Part 6
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September 29, 2014

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11:00 PM | Testing: The Moto 360 Android Wear Smartwatch
Android Wear was announced way back in March of 2014, but it wasn't until July that we could actually buy smartwatches running Google's wearable software. The LG G Watch and Samsung Gear Live were capable watches, but they weren't jaw dropping in terms of their design--rectangular screens on a plastic band. These debut devices were perhaps best as demos of Android Wear--a hint of what was to come. Now the Motorola Moto 360 has arrived, and while it's still in short supply, units are slowly are […]
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10:00 PM | The Arduboy Bracelet Plays Tetris
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8:00 PM | In Brief: GoPro Announces Hero4 Line of Action Cameras
Another year, another GoPro release (how many people actually upgrade every year?) This generation of the ubiquitous action cams builds on last year's strengths--more high-speed fps recording options and better 4K video. On the high end, the $500 GoPro Hero4 Black now shoots 4K video at 30fps (double that of the Hero3 Black), as well as 120fps at 1080p (and other resolution/framerate options). The $400 Hero Silver has the same recording capabilities of last year's Black edition, but now […]
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7:00 PM | Behold The Eyes of Hitchcock
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6:40 PM | Wouldn’t trade places
Last week at the Heidelberg Laureate Forum, I was surrounded by the most successful researchers in math and computer science. The laureates had all won the Fields Medal, Abel Prize, Nevanlinna Prize, or Turing Award. Some had even won two of these awards. I thought about my short academic career [1]. If I had been […]
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