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Luís F. Simões

Mapping Dark Matter Case Study - Kaggle - 3 views

host.kaggle.com/mdm

crowdsourcing competition data mining image dark_matter

shared by Luís F. Simões on 08 Nov 11 - No Cached
  • Mapping Dark Matter competition to encourage the development of new algorithms that can measure the way dark matter causes tiny distortions in images of galaxies by changing their ellipticity, or how their shapes are stretched.
  • Luís F. Simões on 08 Nov 11
     
    Blog posts describing the approaches followed by the contestants that ranked 1st, 2nd and 3rd.
Dario Izzo

http://thegwpf.org/images/stories/gwpf-reports/hughes-evidence.pdf - 2 views

thegwpf.org/...hughes-evidence.pdf

climate

shared by Dario Izzo on 06 Aug 12 - No Cached
  • Dario Izzo on 06 Aug 12
     
    The Global Warming Policy Foundations has warned policy makers that wind energy is an extraordinarily expensive and inefficient way of reducing CO2 emissions.
Dario Izzo

Femto-Photography - 7 views

web.media.mit.edu/...trillionfps

PHY photography

shared by Dario Izzo on 08 Aug 12 - No Cached
  • Dario Izzo on 08 Aug 12
     
    A new imaging technique able to make movies of light moving!!! There is a trick, of course, but is a rather clever one and does not preclude innovative applications .....
santecarloni

A Dozen Years In The Making, Highest Resolution Picture Of Universe Released | Singular... - 0 views

singularityhub.com/...n-picture-of-universe-released

universe Phy space Science

shared by santecarloni on 06 Mar 12 - No Cached
LeopoldS liked it
  • santecarloni on 06 Mar 12
     
    ...Covering about a third of the sky, the new image contains 10 times as many objects as the Palomar Survey, or about half a billion. The higher resolution scan is a goldmine for astronomers and is expected to lead to discoveries "for decades to come"...
Thijs Versloot

Awesome 3D image from stitched photographs @photosynth - 3 views

photosynth.net/...42-8168-443c-be9f-872e1024c5c3

photography image processing

shared by Thijs Versloot on 13 Jan 14 - No Cached
  • Juxi Leitner on 13 Jan 14
     
    cool, now let's put that on drones/quadcopters :)
Marcus Maertens

Supernova Core Imaged For the First Time - 0 views

www.iflscience.com/...pernova-core-imaged-first-time

space PHY

shared by Marcus Maertens on 22 Feb 14 - No Cached
  • Marcus Maertens on 22 Feb 14
     
    towards a better understanding about the fusion processes in the last moments of a star's life.
Beniamino Abis

Dronestagr.am launches to showcase the world's best aerial drone pix - 4 views

venturebeat.com/...e-worlds-best-aerial-drone-pix

technology fun drones

shared by Beniamino Abis on 25 Jul 13 - No Cached
  • Beniamino Abis on 25 Jul 13
     
    Demand for drones is exploding! Dupin wants to aggregate aerial imagery from around the globle at Dronestagr.am. In the near future we could experience something close to google maps, made with aerial pictures.
  • ...1 more comment...
  • Thijs Versloot on 25 Jul 13
     
    Fun, but what would be the added benefit over high resolution satellite images?
  • Waldemar Franczak on 25 Jul 13
     
    Remember that drones have top-view camera and front-view camera which gives more possibilities in terms of what you can do with collected data. With such a huge database and a little bit of 3D geometry we could get e.g. a 3D map of the world... I guess google can derive something like that already from their streetview images however obviously street view covers some relatively small part of the globe and also can not access places that UAV can.
  • Beniamino Abis on 06 Aug 13
     
    Here there's an example of a 3D picture of Tokyo (in high resolution). It is not made by drones, but I think it is something we can use them for. http://360gigapixels.com/tokyo-tower-panorama-photo/
johannessimon81

Computational Imaging: The Next Mobile Battlefield - 2 views

www.wired.com/...ng-the-next-mobile-battlefield

technology

shared by johannessimon81 on 12 Sep 13 - No Cached
  • johannessimon81 on 12 Sep 13
     
    Wired article giving an opinion on the future trends for mobile computing (e.g. SLAM, 3D vision, ...)
LeopoldS

Sex differences in the structural connectome of the human brain - 0 views

www.pnas.org/...1316909110

brain BIO neuro

shared by LeopoldS on 02 Dec 13 - No Cached
  • LeopoldS on 02 Dec 13
     
    it seems that there are indications that we are differently wired .... Sex differences in human behavior show adaptive complementarity: Males have better motor and spatial abilities, whereas females have superior memory and social cognition skills. Studies also show sex differences in human brains but do not explain this complementarity. In this work, we modeled the structural connectome using diffusion tensor imaging in a sample of 949 youths (aged 8-22 y, 428 males and 521 females) and discovered unique sex differences in brain connectivity during the course of development. Connection-wise statistical analysis, as well as analysis of regional and global network measures, presented a comprehensive description of network characteristics. In all supratentorial regions, males had greater within-hemispheric connectivity, as well as enhanced modularity and transitivity, whereas between-hemispheric connectivity and cross-module participation predominated in females. However, this effect was reversed in the cerebellar connections. Analysis of these changes developmentally demonstrated differences in trajectory between males and females mainly in adolescence and in adulthood. Overall, the results suggest that male brains are structured to facilitate connectivity between perception and coordinated action, whereas female brains are designed to facilitate communication between analytical and intuitive processing modes.
  • johannessimon81 on 03 Dec 13
     
    I like this abstract: sex, sex, sex, sex, SEX, SEX, SEX, SEX...!!! I wonder if the "sex differences" are related to gender-specific differences...
LeopoldS

Space in Images - 2014 - 06 - Space-brain networking - 2 views

www.esa.int/...Space-brain_networking

BMI brain microgravity

shared by LeopoldS on 17 Jun 14 - No Cached
  • LeopoldS on 17 Jun 14
     
    nice research - almost like a follow-up to our BMI work some time ago
johannessimon81

Google combines skycrane, VTOL and lifting wing to make drone deliveries - 6 views

www.wired.com/...ffort-to-build-delivery-drones

technology drone_delivery VTOL skycrane FUN soundtrack

shared by johannessimon81 on 30 Aug 14 - No Cached
annaheffernan liked it
  • johannessimon81 on 30 Aug 14
     
    Nice video featuring the technology. Plus it comes with a good soundtrack! Google's project wing uses a lifting wing concept (more fuel efficient than normal airplane layouts and MUCH more efficient than quadrocopters) but it equips the plane with engines strong enough to hover in a nose up position, allowing vertical landing and takeoff. For the delivery of packages the drone does not even need to land - it can lower them on a wire - much like the skycrane concept used to deliver the Curiosity rover on Mars. Not sure if the skycrane is really necessary but it is certainly cool. Anyways, the video is great for its soundtrack alone! ;-P
  • ...4 more comments...
  • Paul N on 31 Aug 14
     
    could we just use genetic algorithms to evolve these shapes and layouts? :P
  • Ma Ru on 31 Aug 14
     
    > Not sure if the skycrane is really necessary but it is certainly cool. I think apart from coolness using a skycrane helps keep the rotating knives away from the recipient...
  • Thijs Versloot on 01 Sep 14
     
    Honest question, are we ever going to see this in practice? I mean besides some niche application somewhere, isn't it fundamentally flawed or do I need to keep my window opened on the 3rd floor without a balcony when I ordered something from DX? Its pretty cool yes, but practical?
  • Guido de Croon on 02 Sep 14
     
    Package delivery is indeed more complicated than it may seem at first sight, although solutions are possible for instance by restricting delivery to distribution centers. What we really need of course is some really efficient and robust AI to navigate without any problems in urban areas : ) The hybrid is interesting since it combines the advantage of a Vertical Takeoff and Landing (and hover), and a wing for more efficient forward flight. Challenges lie in the control of the vehicle under any angle and all that this entails also for higher levels of control. Our lab has first used this concept a few years ago for the DARPA UAVforge challenge, and we had two hybrids in our entry last year for the IMAV 2013 (for some shaky images: https://www.youtube.com/watch?v=Z7XgRK7pMoU ).
  • Thijs Versloot on 04 Sep 14
     
    Fair enough, but even if you consider advanced/robust/efficient AI, why would you use a drone? Do we envision hundreds of drones above our heads in the street instead of UPS vans, or postmen, considering delivers letters might be more easily achievable. I am not so sure if personal delivery will take this route. On the other hand, if the system would work smoothly, I can image that I'm send a mail with the question whether I'm home (or they might know already from my personal GPS tracker) and then notify me that they are launching my DVD and it will come crashing into my door in 5min.
  • Paul N on 08 Sep 14
     
    I'm more curios how they're planning to keep people from stealing the drones. I could do with a drone army myself and having cheap amazon or google drones flying about sounds like a decent source.
johannessimon81

Should We Remake Mars in Earth's Image? - 1 views

news.discovery.com/...ars-in-earths-image-131023.htm

terraforming bio space

shared by johannessimon81 on 27 Oct 13 - No Cached
LeopoldS liked it
  • LeopoldS on 27 Oct 13
     
    Strange that this article is based on the 2001 paper that furthermore was subseded by another one of the same authors from 2006 but not mentioned.
jcunha

Introducing A Brain-inspired Computer [IBM TrueNorth] - 0 views

www.research.ibm.com/...brain-chip.shtml

technology science BIO PHY AI NAN

shared by jcunha on 20 Aug 15 - No Cached
LeopoldS liked it
  • jcunha on 20 Aug 15
     
    Built in Silicon technology (Samsung's 28 nm process), its power is measured as one million neurons and 256 million synapses. It contains 5.4 million transistor being the largest IBM chip in these terms. All this said, it consumes less than 100 mW!! "These systems can efficiently process high-dimensional, noisy sensory data in real time, while consuming orders of magnitude less power than conventional computer architectures." IBM is working with initLabs to integrate the DVS retinal camera with these chips = real time image neuro-like image processing. In what seems to be a very successful project hugely funded by DARPA, "Our sights are now set high on the ambitious goal of integrating 4,096 chips in a single rack with 4 billion neurons and 1 trillion synapses while consuming ~4kW of power."
nikolas smyrlakis

Seventh Graders Find a Cave on Mars | International Space Fellowship - 4 views

spacefellowship.com/...aders-find-a-cave-on-mars.html

space nasa imaging mars

shared by nikolas smyrlakis on 22 Jun 10 - Cached
pacome delva liked it
Francesco Biscani

BBC News - Rescuers search for survivors as Agatha toll tops 150 - 3 views

news.bbc.co.uk/...10200440.stm

geosciences

shared by Francesco Biscani on 01 Jun 10 - Cached
  • Francesco Biscani on 01 Jun 10
     
    C-R-E-E-P-Y image in here...
  • Ma Ru on 01 Jun 10
     
    Yeah, no doubt that's the entrance to hell... even more disturbing as it seems at least one house got in.
  • Francesco Biscani on 01 Jun 10
     
    Yeah... I wonder if/how they plan to plug it?
Eduardo Martin Moraud

The free-energy principle: A unified brain theory - 3 views

m8ta.com/817_1.pdf

shared by Eduardo Martin Moraud on 19 Aug 10 - No Cached
  • Eduardo Martin Moraud on 19 Aug 10
     
    ... a theory of everytg. Dario, enjoy! :)
  • Dario Izzo on 19 Aug 10
     
    the guy is also a guru of brain imaging....... " and is currently the fourth most cited scientist in neuroscience and behavior in the world " - WoW
  • duncan barker on 19 Aug 10
     
    i think the guy was smoking something whilst writing this!!
LeopoldS

NASA - NASA Mission Successfully Flies By Comet Hartley 2 - 1 views

www.nasa.gov/...epoxi20101104.html

space science asteroids comets

shared by LeopoldS on 05 Nov 10 - No Cached
  • LeopoldS on 05 Nov 10
     
    nice new image!
Christos Ampatzis

Evidence of life on Mars lurks beneath surface of meteorite, Nasa experts claim - Times... - 1 views

www.timesonline.co.uk/...article6934078.ece

shared by Christos Ampatzis on 27 Nov 09 - Cached
  • Christos Ampatzis on 27 Nov 09
     
    Is there life on Mars? - We should try to compress those images!
  • Francesco Biscani on 29 Nov 09
     
    "Is there life on Mars?" Yes, mostly on Saturday night...
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