This is a tutorial on how to sharpen a slightly out-of-focus image WITHOUT increasing noise.If you have an image that's just slightly out-of-focus, and you try to sharpen it by just using the standard 'sharpen' filter in Photoshop, then the result is often not very good as it will also increase any 'noise' that may be present in the image.This is especially true of images that are high contrast and have been shot in low light levels with a high ISO setting.... continue reading
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There are several ways to sharpen your images. Some of these techniques re good and others not so much. I have found that using the unsharp mask filter is ok but can lead to an even more noisy image if overdone.So after doing a little searching I found a technique that is called, High Pass sharpening and you use it like this:1) Make a layer copy of the background layer and then make the background layer invisible. This way you can revert back to the original if a mistake is made.2) Do all... continue reading
Hi people, my friend told me a great tip for sharpening pictures a few months ago, but I haven't mentioned it here. It's my mistake and I am sorry about that:) I know you know how to sharpen pictures, even you can know this way that I am going to introduce in a few lines, but do me a favour please and "hear" my words:) I just think they can be helpful.OK, stop writing a meaningless para and go to the point:) If you use Adobe Photoshop CS3/CS4 you can sharpen images with the help of Lab Color.... continue reading
The other day I came across an article on the internet about sharpening your image in a safer way in stat of using Unsharp Mak.One reason for this is that the Unsharp mask operates on the actual image pixels and it makes changes to those pixels. This sharpening process that makes use of the High Pass filter doesn’t operate on the original image so it does not destroy the image pixels.This is how it works:1. Open an image and duplicate the background layer of the image. If your image has multiple... continue reading
When I first started with digital photography around three years ago it was with a pretty decent compact, a Canon A95. For the first year and a bit I sharpened every single of my images by a factor of 150% & pixels at 3-4 ignore threshold and 3-4 radius, sometimes more in addition to boosting the contrast and brightness by 40/30 or more..The resulting images looked great on my monitor and didn't turn out too shabby on 8x10 prints either, while for web they were ideal... However.... when I started... continue reading
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