Juno PDS data |
Juno PDS data |
Jan 8 2016, 10:15 PM
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#1
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Administrator Group: Admin Posts: 5172 Joined: 4-August 05 From: Pasadena, CA, USA, Earth Member No.: 454 |
There is now PDS-format JunoCam cruise and Earth flyby data available; it's been submitted to the PDS, but MSSS has gone ahead and posted it on their website. I've created an index page to it here. Unlike my usual index pages, there aren't any thumbnails because of the odd nature of JunoCam images, with their long skinny shapes and interleaved framelets. I haven't played much with these data because it's a bit beyond my skill -- I look forward to seeing what any of you can do with it.
-------------------- My website - My Patreon - @elakdawalla on Twitter - Please support unmannedspaceflight.com by donating here.
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Mar 3 2018, 10:00 PM
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#2
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Member Group: Members Posts: 923 Joined: 10-November 15 Member No.: 7837 |
Ah thankee! I've fed 214 raw files into the script so it should be finished in about 20 hours.
Do the seams refer to the fringing on high contrast features? I've taken to aligning/puppet-warping these by hand for selected files. -------------------- |
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Mar 3 2018, 10:43 PM
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#3
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Member Group: Members Posts: 411 Joined: 18-September 17 Member No.: 8250 |
Do the seams refer to the fringing on high contrast features? I've taken to aligning/puppet-warping these by hand for selected files. Seams would be sharp discontinuities along vertical lines, possibly starting at a misalignment along the terminator. The fringing may be do to misalignment caused by rExtrinsic being off, or possibly by parallax shifts between framelets, that later of which I've really only recently started thinking about. While I haven't tried this yet, if the problem is due to parallax, you could try changing spiceYawRate which might improve alignment in some areas and make it worse in others, and then you could merge good regions. 1/27 degree change is about one pixel. |
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Mar 4 2018, 07:16 AM
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#4
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Member Group: Members Posts: 411 Joined: 18-September 17 Member No.: 8250 |
Seams would be sharp discontinuities along vertical lines, possibly starting at a misalignment along the terminator. Meant limb, not terminator. The left image (processed with default rExtrinsic = 0.00159) shows the limb discontinuity, and seams stretching vertically from the discontinuities. Right image (processed with rExtrinsic = -0.002) reduces the discontinuities, seams, and also the limb coloring artifacts. (Unfortunately, in this case, reducing the artifact on one side increases it on the other side [not shown]). |
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