Tips & Techniques Forum < Tips & Techniques < PHOTOSHOP - History Brush Tool
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# Posted: 31 May 06 04:26
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I think the Photoshop History Brush (HBT) is the most versatile tool and have an unlimited number of applications. I use it frequently when I need to restore parts of a altered image avoinding the use of masks and other complicated techniques. Here is an example with a photo that I take off in manual program with 80 ISO speed , 300 mm Focal Lenght, f/7.1 and 1/640 sec. It was a sunny day.

The original was underexposed:




So, with photoshop I followed these steps:
1. duplicate layer
2. on the layers palette I change the Blending to Screen and master the opacity to 70%
3. layer - merge visible
4. Filter - Sharpen - Unsharp Mask (amount: 110%, radius: 4,9 pixels and threshold: 4 levels)

And the photo was with this aspect:





Then I decided to enhance the color of the sand. For this I made the following one:
Image - Adjustments - Hue/Saturation - Edit: YELLOWS (Hue: -10, Saturation: +100 and Lightness: -26)

And all the yellows of the pic was super saturated (to only demonstrate the technique)





Now I go to the History palette and I click with the mouse in the left square of the previous line of the Hue/Saturation effect.
Next I activate the History Brush Tool on the tool bar and I start to paint the zones that I want to restore. Easy and fast.

And the final result is this:


You can apply the HBT after having done any type of photo modification, even with the more sophisticated filters. I suggest for complicated works that you make Snapshots unless you expand your photoshop history to a value greater than the standard 20.

# Posted: 31 May 06 08:48
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Hi Paulo, i use rarely a tool like this one.
So thanks for the precise details aboiut this one; i would try in the future...

# Posted: 1 Jun 06 15:26
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Tank you Paulo - every usefull for any Photoshop-user to learn the trics from others.
Here is the tric I learned from Carla Broekhuizen. I also tried to translate the text in English. (see under the Dutch text)

Deels z/w / deels kleur.

- open een foto in Photoshop
- maak een duplicate door op de bovenbalk van de geopende foto te klikken en dan te kiezen voor duplicate
- blijf op de copy / duplicate staan en klik in de bovenbalk van het programma op Image, dan op Mode en dan op Greyscale
- blijf in de grey-copy and druk op Ctrl A en dan op Ctrl C
- selecteer de kleuren foto en ga naar de bovenbalk van het programma en click op Layer, New, Layer
- click dan op Ctrl V
- daarna het gummetje selecteren en / of eerst de onderwerpen / het onderwerp vergroten zodat je makkelijker de details kunt uitvlakken, waardoor de kleur eronder zichtbaar wordt
- klaar? ga naar Layer (inde bovenbalk van het programma) en selecteer Flatten Image.
- opslaan = KLAAR !!!


English……

Partly B&W/partly colour.
- open a photograph in Photoshop
- make duplicate by clicking on the "top-end" of the opened photograph and then Duplicate
- stay on the Copy/Duplicate and click in the "top-end" of the program on Image, then on Mode and then on Greyscale
- remain in the grey-copy and click on Ctrl A and then on Ctrl C
- select the colour photograph and go to the "top-end" of the program and click on Layer, New, Layer
- click on Ctrl V
- select the eraser on the leftside of your screen and erase that part of the picture that you want to have colour.
- ready? go to Layer and select Flatten Image.
- that is all !!!

Good luck !!!

# Posted: 1 Jun 06 15:27
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Thank you Paulo - very usefull for any Photoshop-user to learn the trics from others.

(I have to typ more carefull....)

# Posted: 1 Jun 06 16:58
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@ Paulo and John : thanks for the tips, i'm gonna try it !

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