[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 >> >>> ______________________________________________ >> >>> Visit the Archives at http://www.meteorite-list-archives.com >>> Meteorite-list mailing list >>> Meteorite-list at meteoritecentral.com >>> http://six.pairlist.net/mailman/listinfo/meteorite-list >> >> >>> ______________________________________________ >> >>> Visit the Archives at http://www.meteorite-list-archives.com >>> Meteorite-list mailing list >>> Meteorite-list at meteoritecentral.com >>> http://six.pairlist.net/mailman/listinfo/meteorite-list >> >> >> >______________________________________________ > >Visit the Archives at http://www.meteorite-list-archives.com >Meteorite-list mailing list >Meteorite-list at meteoritecentral.com >http://six.pairlist.net/mailman/listinfo/meteorite-list Received on Thu 20 Jun 2013 05:33:45 PM PDT |
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