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Originally posted by shug7272
reply to post by ArMaP
I have read alot of this thread and have yet to see anyone post examples of other jpegs at original size and when zoomed show "pixelation" that appears like this with the area around it failing to show the same "pixelation". Did I just miss them, or are we to take everyones word for it that it is compression? If I missed them I would love to see them, 21 pages is alot though.
The raw data is processed in several steps at the German Aerospace Center (DLR).
The final data is the foundation for scientific research of the international HRSC Team as well as the press releases. The press releases are
published simultaneously on our webpage, the webpage of ESA and those of the DLR.
Changing the brightness to +52% and the contrast to +80% I achieved a simmilar look in Paint Shop Pro 6. The coulours were reduced by this process from 128 to 53.
Originally posted by internos
reply to post by shug7272
At this point, they reduced the color depth but i have no idea how because i've never made works in order to REDUCE the quality of an image:
anyway, the final result is this one:
Originally posted by ArMaP
Changing the brightness to +52% and the contrast to +80% I achieved a simmilar look in Paint Shop Pro 6. The coulours were reduced by this process from 128 to 53.
Originally posted by jimbo999
reply to post by mikesingh
After looking at the original in a decent photo editing program, at extreme zoom, you can see similar pixellation on any flat area in the photo you care to look at. So I'm going with pixellation...
Originally posted by merka
What this means in practice is that even if the original NASA image had by some chance shown a city, the processed 3D image would smooth it over completely.
The very idea then that we go looking for the "city" on the processed image is quite amusing.