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Post #1002521

Author
TheHutt
Parent topic
Stephen King's IT (1990) - Original two-part version! [RELEASED]
Link to post in topic
https://originaltrilogy.com/post/id/1002521/action/topic#1002521
Date created
22-Oct-2016, 8:53 AM

Hello,

I am having some trouble with color matching the LD footage to the BluRay footage. In Part 1, two shots need to be inserted from LD to BluRay footage.

  1. The full shot of the wife yelling “No” twice (this shot is faded out on BluRay).
  2. The “IT” writing on bathroom wall shot with “To be continued” title card.

I used AviSynth and the script ColourLike to create two histograms:

  1. from the beginning of the wife yelling scene
  2. from the previous shot of the “IT” writing on the wall.

The first shot works quite well.
BluRay footage: http://www.thehutt.de/it/02_blu.png
LD footage (upscaled + added noise, no color correction): http://www.thehutt.de/it/02_ld_nocorr.png
LD footage (upscaled + added noise, color correction): http://www.thehutt.de/it/02_ld_corr.png

However, on the final “IT” writing, I have some trouble. The histogram I lifted from the previous “IT” writing (a couple of shots before) and it looked quite okay.

BluRay footage: http://www.thehutt.de/it/01_blu.png
LD footage (upscaled + added noise, no color correction): http://www.thehutt.de/it/01_ld_nocorr.png
LD footage (upscaled + added noise, color correction): http://www.thehutt.de/it/01_ld_corr.png

However, if I apply this histogram to the final shot missing on the LD), there are some unwanted artifacts. Also, as this shot ends in a fadeout, applying color correction here results in some really weird artifacts (especially where the black isn’t actually black).

LD footage (upscaled + added noise, no color correction):
Frame 001: http://www.thehutt.de/it/03_nocorr_frame001.png
Frame 200: http://www.thehutt.de/it/03_nocorr_frame200.png

LD footage (upscaled + added noise, with color correction):
Frame 001: http://www.thehutt.de/it/03_colorcorr_frame001.png
Frame 200: http://www.thehutt.de/it/03_colorcorr_frame200.png

Here is the AVS script I am using (for the final shot which has these problems):

Import(“d:\Anwendungen\Multimedia\AviSynth\plugins\QTGMC\QTGMC-3.32.avsi”)
AviSource(“d:\video\It\EndofPart1DV.avi”, fourCC=“CDVC”)
AssumeBFF()
ConvertToYV12(interlaced=true)
QTGMC( Preset=“Slower” )

Pulldown(0,3)
Trim(2237, 2484)

Crop(12, 0, -4, -0)

eedi3_rpow2(rfactor=2, cshift=“spline36resize”, fwidth=1440, fheight=1080, threads=1)
AddGrain(10)
AddBorders(240, 0, 240, 0, $000000)

ColourLike(“d:\video\It\IT_1a_hist_s.txt”, “d:\video\It\IT_1b_hist_s.txt”)

So my question is: is there a way to make ColourLike work even with the fadeout? Or are there any better alternatives?