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Can you tell us exactly what it is and does? I am a little confused. Does it take any imagen and 'Kodachrome' it?
May 12 · 3 months ago
🐙 norayr [OP/mod] · May 13 at 23:28:
yes, sort of. that's so long to explain.
you know what is color checker? let's say you're doing product or art or architecture photography. you need to make sure that colours on your photos are the same as on the product. for that people use color checkers. that's a plate with 24 colors, or sometimes about 100 colors. we know each color should be this R, G and B. but your camera shoots it as that R1, G1 and B1. so we know that your R1, G1, B1 should become R, G and B, then the colors will be correct. same for each color, same for the colors in between those that we have on color checker.
🐙 norayr [OP/mod] · May 13 at 23:32:
now the same tech can be used to emulate film stocks. and it is used when people color movies let's say.
you shoot color checker under reference light, and then you see that this film, instead of this color, it gives you that color. and instead of this - that.
colors in between needs to be recalculated.
🐙 norayr [OP/mod] · May 13 at 23:35:
so every obscure film that i get to have, i shoot color checker with it. i shoot it under reference light, and i shoot it with different exposure to see how it reacts when there is a lack of light or there is more light.
🐙 norayr [OP/mod] · Jul 14 at 12:11:
i have updated the app today. added parallelization, and on my sony xperia it processes one image 6 times faster than before.
right now https://norayr.am/tmp/chromatika64.apk and chromatika32.apk are updated.
chromatika — this is the source of my pascal app. i am writing it by using delphi community edition, because it is able to build same source for android and ios, also for windows and macos. the app has 4 hald cluts as resource files. those are taken from real film stocks. to apply hald clut i had to implement the algorithm, and only hald clut implementation took one week. at some point i was desperate, thought i cannot do it. so the 'presets' are chrome, warm, cold, landscape. those are...