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And some shots of just the SE before and after:
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There are, however, issues with this method. Because of the blue tint used, some blue detailing is "eaten" by the filter:
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Notice the lighting of the echo base entrance and the core of chewies welder. Lukes lightsabre also suffers, but not so much that it`s noticable if you`re not deliberately looking for it. And only on the interior shots of the battle with Vader on Bespin. I suspect that might be more to do with Lowry`s algorythm than the histogram, since his lightsabre looks rubbish in the original SE on these frames as well. There`s also this:
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For some reason the Lost in the Snow sequence suffers from a strange almost tourquoise glow that lessens or worsens depending on the scene. It begins with Luke leaving the ice cave, and ends at the cut to the speeders searching for Han and Luke. This`ll need to be manually corrected, but even this is proving difficult as i just can`t figure out how LucasFilm "colour corrected" it to mess it up so much. Certain scenes within this sequence (e.g Leia by the X-Wing, and the droids at the entrance), come out okay. Odd. But, for nearly all of the film this method has worked really well, and looks absolutely splendid. Yes, that`s the word. Splendid. I now just have to figure out what they`ve done to the lost in the snow sequence..