JunoCam "Marble Movie", July 10 through October 14 |
JunoCam "Marble Movie", July 10 through October 14 |
Aug 9 2016, 09:13 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 |
Almost 900 MB of "Marble Movie" data now available: https://www.missionjuno.swri.edu/junocam/processing
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Aug 22 2016, 04:41 PM
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#2
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Senior Member Group: Members Posts: 2346 Joined: 7-December 12 Member No.: 6780 |
As soon as I'll be at a quality level I'm happy with, I'll submit the results to the official missionjuno site, as a central location for the Juno project. But if anyone likes to use the intermediate versions as they are, they may work with them. I'd think level 1, parts 1-4, are ok by now; level 2 can be improved; that's what I'm going to elaborate.
There are people at Reddit who observe the missionjuno site, so I'm rather sure, that some of the processings will eventually show up there; actually part of the Marble Movie has already been discussed at Reddit. Maintaining a Reddit thread is currently beyond my limited ressources. Re moon enhancement: I've used a (2d) distance estimate from Jupiter to gradually change the enhancement functions within a ring-like zone around Jupiter. It's implemented as an intentional side effect of filling a Voronoi-like cell around Jupiter defined as distance zero. To obtain an image like this from a level-1 image, I'm first calculating a Voronoi cell filled with onion-layer-like equidistance shells, roughly visualised by this image: The distance function (including its explicite representation as an indexed array of equidistance lines) is the basis for gamma-, stretch-, greyscaling, and percentile functions. I'm using percentiles within each equidistance line to estimate background level and brightness maxima neglecting outliers. But I think, that adding kind of motion enhancement to the method bears the potential to provide better results. Exploring this refined approach is my immediate next goal. |
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