My heritage colorize6/27/2023 ![]() In other cases, the tint on some objects may not be perfect despite trying to tune the engine. One thing I've started doing is downloading multiple versions of the colorization, importing them all as layers in Gimp, and cutting them so as to get the best result in every zone. ![]() In many cases, some parameters will have better results on people, while others will improve objects or the background. While the settings in MyHeritage in Color clearly help, they can't -yet- get you to a perfect result most of the time. The drawback of this method is that you need to re-open the tuning interface every time, but in the end, you'll save lots of rendering time and you know you're saving the best version you could get. Repeat from step 2 until you can't improve the result.If the result is better than the previously saved picture, save it.Tune one parameter, preview and compare.However, it doesn't save the results for each combination, so when you play around with parameters, you can end up waiting a long time to go back to previous combinations.įor this reason, I use A/B testing when colorizing. In a very practical fashion, MyHeritage lets you click on the colorized picture to compare with the previously saved version. When tuning a colorization, every time you modify a parameter, you can preview the changes, and then choose to save them. Granted, the results on this picture are far from perfect, as it is hard to colorize (which is why I chose it!). However, the colors are getting slightly dim now, so I've increased the saturation to 1.2 to counteract that: After playing around, I ended up with a factor of 64 for that picture: There's still some weird zones though, so I want to try and reduce these by increasing the rendering factor. Switching to the alternative model reduces this, without affecting the faces too much: This colorized (and enhanced) picture doesn't look bad, but the clothes have lots of purple spots all over them. Note that rendering will generally be longer with a higher factor. If the picture is high-res enough and renders rather well but has uncolorized spots, you can try increasing the rendering factor.If the colors are too grey-ish (especially with low-res pictures), try reducing the rendering factor to 16.If the colors are fine, but the colors aren't coming through strong enough, increase the saturation.If faces are colorized properly but legs are grey, try the "Alternative" model as well.If clothes (in particular dark ones) have purple spots over them but the faces are rendered well, try switching to the "Alternative" model.Generally speaking, this is what I have found from colorizing hundreds of pictures, essentially portraits of people: ![]()
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