MOM At Mars, Mission Operations |
MOM At Mars, Mission Operations |
Sep 24 2014, 02:33 AM
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Merciless Robot Group: Admin Posts: 8785 Joined: 8-December 05 From: Los Angeles Member No.: 602 |
Successful insertion!!!!! Congratulations to ISRO!!!!
-------------------- A few will take this knowledge and use this power of a dream realized as a force for change, an impetus for further discovery to make less ancient dreams real.
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Oct 1 2014, 12:51 AM
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IMG to PNG GOD Group: Moderator Posts: 2254 Joined: 19-February 04 From: Near fire and ice Member No.: 38 |
Beautiful images so far and congratulations to the Indians. Clearly this mission is going to be the best source ever of global color views of Mars, maybe a bit like a 'super VMC'. Hopefully a 'PDS-like' version of the images will be released in the future to make more accurate processing of these images possible for us here.
The various versions of this image are interesting. Here is a quick-and-dirty version I did by reducing the color saturation a bit. I then corrected the color using Mars' global spectrum as a guide, together with what Mars has looked like to me through a telescope. Planetary color is highly subjective so I really don't know which one of the various versions posted here is the most realistic one. But I agree that the original image is probably too saturated and reddish and probably the blue channel should be brighter, at least in the dark areas (it's remarkably close to 0 in the darkest regions). Here is my version: The terminator is a bit ugly at lower left. This is a processing artifact; I may do a better version later. |
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Oct 1 2014, 02:43 AM
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#3
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Senior Member Group: Members Posts: 2542 Joined: 13-September 05 Member No.: 497 |
Hopefully a 'PDS-like' version of the images will be released in the future to make more accurate processing of these images possible for us here. From http://www.hou.usra.edu/meetings/lpsc2014/pdf/2449.pdf "MARS COLOR CAMERA ONBOARD MARS ORBITER MISSION: SCIENTIFIC OBJECTIVES & EARTH IMAGING RESULTS", A.S. Arya et al: QUOTE Data Product Schema : An MCC image is a Bayer filter mosaic, a color filter array (CFA) for arranging RGB color filters on a square grid of photo sensors. The demosaicing algorithm is employed to reconstruct a full color image. Level-1 product (calibrated data) generation involves detector wise photo response non-uniformity model correction as understood from pre launch laboratory calibration exercises; line/pixel loss correction and tagging the geographic coordinates to each pixel. Level-1, corrected are generated for users. The software
pipeline produces calibrated data to generate minimum Planetary Data System (PDS) compliance product. -------------------- Disclaimer: This post is based on public information only. Any opinions are my own.
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