[meteorite-list] Billion-Pixel View of Mars Comes From Curiosity Rover

From: Count Deiro <countdeiro_at_meteoritecentral.com>
Date: Thu, 20 Jun 2013 14:33:45 -0700 (GMT-07:00)
Message-ID: <729227.1371764025350.JavaMail.root_at_wamui-hunyo.atl.sa.earthlink.net>

Heh Heh!
Guido

-----Original Message-----
>From: Ted Bunch <tbear1 at cableone.net>
>Sent: Jun 20, 2013 12:27 PM
>To: meteorite-list at meteoritecentral.com
>Subject: Re: [meteorite-list] Billion-Pixel View of Mars Comes From Curiosity Rover
>
>Beer can tab.
>Ted
>
>On 6/20/13 8:40 AM, Jodie Reynolds wrote:
>> Hello Jeff,
>>
>> Registration artifact.
>>
>> When one goes about putting these together, one would generally work
>> in at least a 24bit if not a 32bit space with a transparent
>> background.
>>
>> I sick a whole bunch of processing power on the problem with a neural
>> network looking for features that match-up. Once those millions of
>> points are selected (through many hours of training and then
>> automated iteration), my image processing software then has to warp,
>> bend, fold, spindle, and mutilate the individual frames, stitching
>> them together into an image that looks attractive on a flat 2D screen.
>>
>> When that's done, it needs to then have the bit depth reduced for
>> end user consumption. That involves getting rid of the transparent
>> background and filling that space "underneath" with some color.
>>
>> I have a few tricks that NASA/JPL folks may not employ. One of them
>> is filling the background with pure Red (255,0,0), then another with
>> pure Green (0,0,255), then another with pure Blue (0,255,0). Those
>> then go through another pre-processing step of overlaying those and
>> checking for each color pure color. Any area that flags for two of
>> the three is suspect. Small areas that don't precisely
>> line-up like that get flagged for manual revision. That step allows
>> me to pull them into an image editor and quickly pixel-hack them
>> together in a convincing way (although not scientifically valuable).
>>
>> I suspect they skip that step entirely and just fill the background
>> with white and post it.
>>
>> Even with the current state-of-the-art, any time you have motion you
>> have registration issues that can't be gracefully resolved. Mine
>> show those artifacts around the rover itself, especially in the
>> shadows.
>>
>> Creating panoramas from so many frames of a sphere and then
>> unwrapping the sphere into 2D isn't an exact science. Plenty of room
>> for discovery there.
>>
>> --- Jodie
>>
>>
>> Thursday, June 20, 2013, 2:15:39 AM, you wrote:
>>
>>> Anyone else see this? It's something white sitting between two rocks around
>>> mid-pic.
>>
>>> https://www.facebook.com/photo.php?fbid=10152932582005103&set=a.498242950102
>>> .395373.156382705102
>>
>>> Cheers,
>>
>>> Jeff
>>
>>
>>> -----Original Message-----
>>> From: meteorite-list-bounces at meteoritecentral.com
>>> [mailto:meteorite-list-bounces at meteoritecentral.com] On Behalf Of Ron Baalke
>>> Sent: Thursday, 20 June 2013 4:40 AM
>>> To: Meteorite Mailing List
>>> Subject: [meteorite-list] Billion-Pixel View of Mars Comes From Curiosity
>>> Rover
>>
>>
>>> http://www.jpl.nasa.gov/news/news.php?release=2013-205
>>
>>> Billion-Pixel View of Mars Comes From Curiosity Rover
>>> Jet Propulsion Laboratory
>>> June 19, 2013
>>
>>> PASADENA, Calif. -- A billion-pixel view from the surface of Mars, from
>>> NASA's Mars rover Curiosity, offers armchair explorers a way to examine
>>> one part of the Red Planet in great detail.
>>
>>> The first NASA-produced view from the surface of Mars larger than one
>>> billion pixels stitches together nearly 900 exposures taken by cameras
>>> onboard Curiosity and shows details of the landscape along the rover's
>>> route.
>>
>>> The 1.3-billion-pixel image is available for perusal with pan and zoom
>>> tools at: http://mars.nasa.gov/bp1/ .
>>
>>> The full-circle scene surrounds the site where Curiosity collected its
>>> first scoops of dusty sand at a windblown patch called "Rocknest," and
>>> extends to Mount Sharp on the horizon.
>>
>>> "It gives a sense of place and really shows off the cameras'
>>> capabilities," said Bob Deen of the Multi-Mission Image Processing
>>> Laboratory at NASA's Jet Propulsion Laboratory, Pasadena, Calif. "You
>>> can see the context and also zoom in to see very fine details."
>>
>>> Deen assembled the product using 850 frames from the telephoto camera of
>>> Curiosity's Mast Camera instrument, supplemented with 21 frames from the
>>> Mastcam's wider-angle camera and 25 black-and-white frames -- mostly of
>>> the rover itself -- from the Navigation Camera. The images were taken on
>>> several different Mars days between Oct. 5 and Nov. 16, 2012. Raw
>>> single-frame images received from Curiosity are promptly posted on a
>>> public website at: http://mars.jpl.nasa.gov/msl/multimedia/raw/ . Mars
>>> fans worldwide have used those images to assemble mosaic views,
>>> including at least one gigapixel scene.
>>
>>> The new mosaic from NASA shows illumination effects from variations in
>>> the time of day for pieces of the mosaic. It also shows variations in
>>> the clarity of the atmosphere due to variable dustiness during the month
>>> while the images were acquired.
>>
>>> NASA's Mars Science Laboratory project is using Curiosity and the
>>> rover's 10 science instruments to investigate the environmental history
>>> within Gale Crater, a location where the project has found that
>>> conditions were long ago favorable for microbial life.
>>
>>> Malin Space Science Systems, San Diego, built and operates Curiosity's
>>> Mastcam. JPL, a division of the California Institute of Technology in
>>> Pasadena, manages the project for NASA's Science Mission Directorate in
>>> Washington and built the Navigation Camera and the rover.
>>
>>> More information about the mission is online at: http://www.nasa.gov/msl
>>> and http://mars.jpl.nasa.gov/msl/ .
>>
>>> You can follow the mission on Facebook and Twitter at:
>>> http://www.facebook.com/marscuriosity and
>>> http://www.twitter.com/marscuriosity .
>>
>>> For more information about the Multi-Mission Image Processing
>>> Laboratory, see: http://www-mipl.jpl.nasa.gov/mipex.html .
>>
>>> Guy Webster 818-354-6278
>>> Jet Propulsion Laboratory, Pasadena, Calif.
>>> guy.webster at jpl.nasa.gov
>>
>>> 2013-205
>>
>>> ______________________________________________
>>
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>>
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>>
>>
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Received on Thu 20 Jun 2013 05:33:45 PM PDT