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Alexander Wittig

Picture This: NVIDIA GPUs Sort Through Tens of Millions of Flickr Photos - 2 views

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    Strange and exotic cityscapes. Desolate wilderness areas. Dogs that look like wookies. Flickr, one of the world's largest photo sharing services, sees it all. And, now, Flickr's image recognition technology can categorize more than 11 billion photos like these. And it does it automatically. It's called "Magic View." Magical deep learning! Buzzword attack!
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    and here comes my standard question: how can we use this for space? fast detection of natural disasters onboard?
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    Even on ground. You could for example teach it what nuclear reactors or missiles or other weapons you don't want look like on satellite pictures and automatically scan the world for them (basically replacing intelligence analysts).
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    In fact, I think this could make a nice ACT project: counting seals from satellite imagery is an actual (and quite recent) thing: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0092613 In this publication they did it manually from a GeoEye 1 b/w image, which sounds quite tedious. Maybe one can train one of those image recognition algorithms to do it automatically. Or maybe it's a bit easier to count larger things, like elephants (also a thing).
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    In HiPEAC (High Performance, embedded architecture and computation) conference I attended in the beginning of this year there was a big trend of CUDA GPU vs FPGA for hardware accelerated image processing. Most of it orbitting around discussing who was faster and cheaper with people from NVIDIA in one side and people from Xilinx and Intel in the other. I remember of talking with an IBM scientist working on hardware accelerated data processing working together with the Radio telescope institute in Netherlands about the solution where they working on (GPU CUDA). I gathered that NVIDIA GPU suits best in applications that somehow do not rely in hardware, having the advantage of being programmed in a 'easy' way accessible to a scientist. FPGA's are highly reliable components with the advantage of being available in radhard versions, but requiring specific knowledge of physical circuit design and tailored 'harsh' programming languages. I don't know what is the level of rad hardness in NVIDIA's GPUs... Therefore FPGAs are indeed the standard choice for image processing in space missions (a talk with the microelectronics department guys could expand on this), whereas GPUs are currently used in some ground based (radio astronomy or other types of telescopes). I think that on for a specific purpose as the one you mentioned, this FPGA vs GPU should be assessed first before going further.
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    You're forgetting power usage. GPUs need 1000 hamster wheels worth of power while FPGAs can run on a potato. Since space applications are highly power limited, putting any kind of GPU monster in orbit or on a rover is failed idea from the start. Also in FPGAs if a gate burns out from radiation you can just reprogram around it. Looking for seals offline in high res images is indeed definitely a GPU task.... for now.
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    The discussion of how to make FPGA hardware acceleration solutions easier to use for the 'layman' is starting btw http://reconfigurablecomputing4themasses.net/.
ESA ACT

Buglabs Bug Hiro P Unboxing: ein Album in Flickr - 0 views

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    more photos on the buglab ...
Dario Izzo

This Is The World's First Entirely 3D-Printed Gun (Photos) - Forbes - 1 views

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    And thats the bad news .... obviously from texas
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    we just had discussion about how it makes easier to have a gun and now US Government is demanding to take blueprints offline http://www.bbc.co.uk/news/technology-22478310
LeopoldS

NASA's New LEED Platinum Sustainability Base is the Greenest Federal Building in the US... - 2 views

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    Ideas for ESTEC 2 ...
LeopoldS

Software to Rate How Drastically Photos Are Retouched - NYTimes.com - 1 views

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    good to see that we are not fooled that easy ...
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    I think you misunderstood: the whole point of this research is that we *are* fooled, all too easily...
Luke O'Connor

Astronomer Captures Enormous True-Color Photo of Night Sky - 4 views

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    And some interactive versions: http://skysurvey.org/
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    this is very very nice! thanks for sharing
Thijs Versloot

Century-old photo negatives found in Antarctic explorer's hut - 0 views

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    New Zealand's Antarctic Heritage Trust found the negatives in an expedition hut from Capt. Robert Falcon Scott's failed 1912 quest to become the first man to reach the South Pole.
andreiaries

Shimizu's Dream - Shimizu Corporation - 1 views

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    Everyone should have a "dream" page with cool photos.
andreiaries

SPACE.com -- Space Dragon Soars! Photos From SpaceX's First Space Capsule Demo Flight - 0 views

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    They look set to replicate project Mercury. At the same costs too. Wonder if they will send any chimps first :).
Francesco Biscani

NASA Will Crowdsource Its Photos of Mars | Motherboard - 4 views

  • Researchers hope that crowdsourcing imaging targets will increase the camera’s already bountiful science return.
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    Here we go, material for curiosity cloning, life detection via image compression, etc. etc.
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    tar cvfz compressed.tgz MarsImages/ Love it!
Ma Ru

ESA's Flickr Photostream - 0 views

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    Did you know it exists? You can also check http://flickriver.com/photos/europeanspaceagency/popular-interesting/ for their shots sorted by popularity. Is ESA already on Facebook too? ;-)
jmlloren

Vote for the Most Inspiring Astronomical Photo of the Year - 2 views

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    My vote goes to the weird dunescape on Mars
jmlloren

The British Wildlife Photography Awards 2011 - Telegraph - 2 views

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    Excellent photo gallery.
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    Thanks for sharing! Most pics are very very nice, but a few are actually pretty mediocre I must say... "Wildlife" photography is always a rather tricky topic, as demonstrated by this famous story: http://news.bbc.co.uk/1/hi/8470962.stm
Ma Ru

VS01 Soyuz Assembly Slideshow - 0 views

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    Found on Flickr... To be launched from the new facilities in Kourou soon.
ESA ACT

Scientists Use Sunlight to Make Fuel From CO2 - 0 views

shared by ESA ACT on 24 Apr 09 - Cached
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    Sandia researcher Rich Diver checks out the solar furnace which will be the initial source of concentrated solar heat for converting carbon dioxide to fuel. Eventually parabolic dishes will provide the thermal energy. Photo: Randy Montoya / Sandia Nati
Marcus Maertens

A single atom is visible to the naked eye in this stunning photo | New Scientist - 5 views

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    Cameras sure have evolved these days...
Marcus Maertens

AI Portraits Ars - 8 views

shared by Marcus Maertens on 23 Jul 19 - No Cached
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    An interesting project that can teach you something about AI training bias. While the system can generate marvelous portraits, it was trained on images displaying not a smiling expression, so it will most likely fail on smiling photos.
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