Episode 022: The Secrets of the Unsharp Mask

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Download the companion file! (…if there is one…. πŸ˜‰ )

This week I go out of my comfort zone and cover the Unsharp Mask. I never found time to get into that thing. Black Art I thought – and well, it is a bit.
But I had a good guide, Joel’s Blog told me everything I needed to know. So this show is basically a blatant rip off. πŸ˜‰

This is my first image I have ever tried USM on. Works quite good – it will not be the last. But I think this crop is way better:

Some links:

Joel’s Blog “Linux Photography”

USM on “Tips from the Top Floor”‘s “Photoshop Corner” and even more USM stuff

The Focus Ring Podcast

The Panorama Challenge is still open.


00:23 Welcome
01:50 Unsharp mask
06:53 Local contrast enhancement using unsharp mask
14:10 Add layermask to control effect
18:00 Micro detail enhancement
23:00 Hints for the audience
26:44 The food arrives!
28:48 Ready to Record
29:59 The End
TOC made by paynekj

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11 thoughts on “Episode 022: The Secrets of the Unsharp Mask

  1. So, I’m still here πŸ˜‰

    not so far from you…. (geographically) (@ Rolf)

    I have used the unsharp thing all the time….. with mask tools it gives a better control for the sharpness in your images…..

    so you can sharpen the area of interess without viewing the entire image and then set the mask to exclude the oversharpened area……..

    I used windows and photoshop for some time and this unsharp thing was never a blur thing…. ok the name is really “doof” (silly) it’s a tool to make areas sharp……

    I’m really happy, that you covered this thing a little bit in the show, so it’s not more “dark magic” for everyone……


    Retro alias nD

    P.S. @ Rolf: Hope to mail with you in our native language πŸ˜‰

  2. Hi,

    Rolf, It could just be me but I’m not sure that you have posted the finished article.

    in the version I have, via miro, you make show prompts in gedit, your wife (or mum πŸ˜‰ ) comes in and seems to offer you a meal, 10 seconds before it ends you state “well i think I’m ready to start recording now!”

    Unusual format to say the least.

  3. @Vortigern: There must be an error in the production chain….. πŸ˜‰ It’s my wife BTW.

    @Retro: Somewhere near…..;-) Just mail me at info@meetthegimp,org.
    Photoshop does the same but doesn’t advertise it in the status bar.

    – copy the layer
    – invert it
    – blur it
    – combine with original layer

    In the darkeoom you make a thin (underexposed) contact copy of your negative. You blur it by putting a glass plate between the film and the negative. And then you sandwich both pieces of film in the enlarger – that takes a lot of training and time…. – and make your print.

    The name is a correct description of the process – but not very helpful for the novice. πŸ˜‰

  4. The humor was refreshing for such a tough subject. I liked the creative approach to screencasts. You mentioned a different recording software, what did you use this time?

  5. Me too. I had the honor of hearing Rolf’s wife offering him something to eat “before recording” πŸ˜€

    I’s been a quite weird experience, because Rolf was talking to himself XDDD

  6. Well, podcasting is always a bit like talking to oneself. I sit in front of the mic and talk – no one opposite. I am used to kids not listening to me – but I needed at least 15 shows to get comfortable with it.

    But I got so much nice reactions by you – now I can talk free into the elektronic void. πŸ˜‰

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