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Photo restoration and matching grain for photo repairs

This is a follow on post from my original matching grain article a while ago.

This is just one example of how to match grain when replacing a back ground or perhaps any part of an image.

matching grain strating image

Look at this image, it is part of a man’s shoulder and the background could do with evening out or replacing altogether.

matching grain delete and fill

Here I have just selected and deleted the back ground to white. It does not look at all right.

matching grain blur

Above a blur might clean up the background. Whilst evening out the background it still does not match very well.

matching grain blur and add grain

Here I have added some grain (noise) but it still does not match. If I apply a blur to this then we can achieve a better result.

matching grain blur and add grain and blur

With a slight blur its much better and using the correct selection technique for the original background selection it looks fairly convincing. Using this matching grain technique and varying the amounts of grain and blur ratios and perhaps even repeating the process a few times along with varying the type of noise, we can achieve different  patterns of grain to suit nearly every situation.

For a short video on this topic see below.

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