Movie Color Analysis - Part 1
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Here's where this effect is most prevalent: https://www.youtube.com/watch?v=PvgVsVmusPg
Pay attention to the colour alteration present in Carl's face and the furnished surroundings after he reads Ellie's 'Stuff I'm Going to Do' scrapbook. It's subtle, but it means a whole lot of difference to viewers and filmmakers alike (the former on a relatively subconscious basis, of course).
Your methodology completely eliminates that variable, so I don't really know what you're expecting to get out of this.
Within the film they use color-grading as the main means of indicating the switch and you can easily pick out individual scenes from the display.
1 - http://movies.disney.com/movies/bolt-4ba34c22e00d459e961b966...
>In the last couple of months I saw a couple visualizations
Author is probably referring to this: http://moviebarcode.tumblr.com/ or similarExamples:
2001: A SPACE ODYSSEY (1968) http://moviebarcode.tumblr.com/post/3432026155/2001-a-space-...
BLADE RUNNER (1982) http://moviebarcode.tumblr.com/post/4438993828/blade-runner-...
STAR WARS: COMPLETE SAGA (1977-2005) http://moviebarcode.tumblr.com/post/13347201975/star-wars-co...
THE WIZARD OF OZ (1939) http://moviebarcode.tumblr.com/post/3512965847/the-wizard-of...
HARRY POTTER: COMPLETE SERIES (2001-2011) http://moviebarcode.tumblr.com/post/12390371286/harry-potter...
Code is pretty crumby, but it does the job.
http://moviebarcode.tumblr.com/post/3515529474/hero-ying-xio...