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15th November 2015, 21:44 | #34262 | Link | ||||
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note: I generated the files with mpc-hc 1.7.10.5 and madvr 0.89.17. |
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15th November 2015, 21:47 | #34263 | Link | |
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15th November 2015, 22:29 | #34264 | Link | |
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15th November 2015, 22:42 | #34265 | Link | |
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And I'd love to try 2X SR + "thin edges" Last edited by leeperry; 15th November 2015 at 23:26. |
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16th November 2015, 00:36 | #34267 | Link | |
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16th November 2015, 00:42 | #34268 | Link |
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played around with the new version and some settings. I don't really get the negative feedback for the biliteral chroma upscaling. I tried it with some real world movies and TV shows and it does a great job. using the luma information as a guidance seems to me is the best way to do it, so yeah.. it's a good chroma scaler in my eyes.
another thing. can it be that the nnedi3 implementation in madvr doesn't correct the center shift that the algorithm introduces? if I pause a frame and activate luma doubling with nnedi3 (neuron number doesn't matter) I can cleary see that the image content slightly moves. |
16th November 2015, 01:59 | #34269 | Link | |||
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Last edited by Shiandow; 16th November 2015 at 02:26. |
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16th November 2015, 02:33 | #34270 | Link | |
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It's just not consistent enough to be left on for all video content. 80-90% of the time it's great, the other 10% it looks so bad I think something's corrupted or broken. |
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16th November 2015, 08:26 | #34271 | Link | |
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FWIW, applying thinning after upscaling at a setting of 2.0 seems to look basically identical to doing it @ 1.0 every 2x upscale, you save some rendering time doing it this way also. Crispen edges almost does nothing (certainly nothing good) when refining after upscaling though. Madshi, do you think crispen edges goes a little too far? > 2.0 starts to look quite bad. > 3.0 makes me wonder why it's even there. Last edited by ryrynz; 16th November 2015 at 09:52. |
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16th November 2015, 09:46 | #34272 | Link | |
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16th November 2015, 09:52 | #34273 | Link | |||||||||||||||
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I'll try to reproduce the QS specific problems later, when I find some time. Quote:
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So how does it compare to warpsharp now? Quote:
I haven't really done full comparisons myself yet. crispen edges has a somewhat different look to it which I generally like, but with high settings it does start to fall apart. Maybe I can improve it in the future, I don't know... |
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16th November 2015, 11:22 | #34274 | Link |
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It's looking like a pretty good alternative, there's some line warping properties from the last version that look closer to the original source so I think it could still use a little tweaking but this was a step in the right direction. I'll send you some screenshots etc.
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16th November 2015, 12:33 | #34275 | Link |
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Hi madshi
I have posted in the LAV thread an issue. With the new madVR0.89.17 play the DVD Aliens(test dvd without the big-vobs) with 4:3 format (menu and video), but it should be 16:9. With EVR it plays fine with 16:9 format. |
16th November 2015, 13:13 | #34276 | Link | |||
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Ouh, this would be most promising in mVR if any possible. |
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16th November 2015, 13:15 | #34277 | Link |
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the perceptual downscaling image comparisons look interesting!
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16th November 2015, 13:28 | #34278 | Link | |
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Basically, the basis of their algorithm is similar to SuperRes; they generates a resized image which is in some way 'similar' to the input. In their case they generate a smaller image, instead of a bigger image (which means that there's a unique solution). But they also use a different way to measure similarity. It would make more sense to see if SuperRes could use their method to measure similarity, which would actually remove the need to use a downscaling algorithm at all. Coincidentally, if you use SuperRes's method for measuring similarity to downscale an image you'd get the 'box' downscaling algorithm, which isn't that bad, but Mitchell-Nertavalli is easily better. |
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Tags |
direct compute, dithering, error diffusion, madvr, ngu, nnedi3, quality, renderer, scaling, uhd upscaling, upsampling |
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