Author Topic: Add a tip for Photoshop please!  (Read 139401 times)

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Offline Marked

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Re: Add a tip for Photoshop please!
« Reply #105 on: June 19, 2008, 01:05:45 AM »
 Thanks mate,
 
Yes the nice thing is that you can tick save in the same location and a new folder within that folder is automatically created.

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Offline Stef.

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Re: Add a tip for Photoshop please!
« Reply #106 on: July 01, 2008, 05:55:11 PM »
Like your idea! No offense taken but the idea was to sharpen edges. (Step 5) This is particularly useful for for instance noisier images where sharpening needs to be applied very carefully. I have so far suggested various ways to sharpen an image for different occasions (at least 4 different ways)- the above one being one of the safer methods. My personal experience over the years has been that there is no such thing as one sharpening method which suits every image and sometimes it is useful to go the long way 'round. Certainly both of the sharpening methods have their values as you say there is more than one way to do things but I do think that in the above case the sharpening methods differ in the end result and can not really be compared. I would hope that your method is seen as a new/other way of sharpening to mine and not as an easier but same version to the one you have quoted. Sorry for this long blurb- we should try to keep this thread free of comments- they should be done in the other thread as was suggested some time ago but you had quoted my tip and compared it to yours so I could not leave this without answer- as I repeat: I don't think they can be compared.
Glad to have you on board!
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Offline AScot

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Re: Add a tip for Photoshop please!
« Reply #107 on: July 01, 2008, 07:37:55 PM »
cmorrisse, I have added you're tip to the tip index. Thank you for your input, it is greatly appreciated. :)

As you say, it may be similar to Stef's but unlike Stef's tips, does not have the detailed steps that someone new to photoshop may need. That fact may contribute somewhat to the apparent shorter method and as Stef says "I would hope that your method is seen as a new/other way of sharpening to mine and not as an easier but same version to the one you have quoted.."

I can sympathize with Stef's need to answer your comparison with her method, she is our main contributor to these tips and does so with an unselfish vitality. With that in mind, I ask that we all try to appreciate that these tips are great for those new to photoshop, as they are to more experienced members and comparing them is counterproductive. Let's just enjoy the variety that they provide.
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Offline Stef.

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Re: Add a tip for Photoshop please!
« Reply #108 on: September 22, 2008, 10:32:55 PM »
Thought you might want to hear from me again in this thread ;)

Noise Issues- and how to deal with them

Noise results from mainly six sources- some of which you can deal with before shooting you images:

(1)   Sensor Noise- all sensors produce some noise and this is one of the targets for manufacturers to keep noise levels down- not much you can do about it but choosing the “right” camera. This kind of noise becomes worse the more pixels are cramped onto a sensor
(2)   High ISO speeds: well what can I say- keep the ISO as low as possible but still high enough to avoid camera shake. Try to use the “right” lights for indoors; use reflectors anything basically that increases the light levels so that you can keep the ISO down
(3)   Underexposure: make sure you expose your image so that the histogram goes as much to the right side as possible without burning out the highlights; you can have “spikes” very close to the right hand side of your histogram but if possible without “touching” the right hand side. Makes sense? This is important as noise is usually most prominent in the darker areas of your image
(4)   Heat:  keep your camera in the shade as much as possible; don’t let the camera body get to hot; take a cooler bag with you when travelling in hot countries; put a hat over your camera when mounted on a tripod for longer intervals... anything that keeps the camera cool!
(5)   Digital artifacts: again not much you can do about; it occurs mostly in fine graduations such as skies; it is a result of technology and you have to live with it.
(6)   JPEG artifacts: these occur through compression; if you shoot in JPEG mode shoot with the highest quality setting possible or even better raw

Now what happens when you have shot your images keeping the above in mind and trying to avoid as many noise issues as possible but you still have noise in your images?

Here is what you can do- just a couple of tips that might make your life slightly easier- in no particular order:

(1)   When you sharpen noisy images do NOT use “Smart Sharpen” as it has no threshold slider. Use: Unsharp Mask and set your threshold to a number between 6 and 12. Also in really problematic images: make a duplicate layer of your background, sharpen as suggested above and then either mask out or just delete part of that sharpened layer particularly in the areas where there is noise i.e. the sky. Alternatively you can select parts of your image first and then apply the sharpening filter only on those areas.
(2)   Do NOT over enhance your image with colour and exposure adjustments; again do these on a duplicated background layer and erase the parts where you have noise
(3)   Photoshop/ Raw converters/ any other post-processing program- they all have some kind of noise reduction feature or filters: be careful if you use them on your whole image it will soften the image. So here once again- make a duplicate layer of you background, then use the noise reduction filter and erase all the parts of your image that did not really need this filter. In worst case erase with a fine brush all the little parts that should be sharp i.e. eyes . Alternatively you can first select the problematic areas such as skies with the lasso tool; magic wand or whatever else you are use to using and then apply the noise filter only on those parts.
(4)   Finally there are some programs out there that work wonders when it comes to reducing noise. Just google and you’ll find many. Try them and see what works for you.

Hope this is helping at least some of you?

Happy photoshopping!

Stef. :P
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Offline Stef.

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Re: Add a tip for Photoshop please!
« Reply #109 on: September 29, 2008, 09:46:45 PM »
Colour Boost

Now the real ;) photoshopper does not work in RGB but in LAB colour- why? Well the short answer is: it's better! The slightly longer answer is: because you have not to deal with annoying colour shifts. And the very long answer- well that one comes in a different thread... (too lazy to explain right now and not sure it interests you anyhow?)

Here is what you do to boost your colours or even what you can do to reveal colours that you sawbut that are not in your image. (let's not forget: the eye can see more colours than the camera can and it can also deal with higher contrast than your camera can!)

1. Open you image in PS
2. Image > Mode > Lab colour
3. Duplicate your background layer
4. In the layers palette click on "channels" > click the a channel > Image > Adjustments > Levels > drag the left slider to approx. 80 and the right slider to approx 275 > click O.K. > now click the b channel and do the same (the slider should be just under the beginning of the histogram on the left hand side and the same on the right hand side) > click O.K.
5. Now in the channels palette click the lightness channel > Image > Adjustments > Brightness/Contrast (YES! not curves!) change the settings to your liking and click O.K. Then on the same channel: filter > sharpen > smart sharpen > amount approx. 100%; radius 1; remove: lens blur; untick "more accurate" > click O.K.
6. In the channels palette click LAB to reveal all colours and DON'T GET A HEARTATTACK- we are not finished yet!
7. In the layers palette: click Layers the next one to Channels and reduce the opacity of that layer to somewhere around 15-20% according to your taste.

It works a treat!
Happy photoshopping!
Stef. :P
« Last Edit: September 29, 2008, 09:59:39 PM by Stef. »
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Offline Stef.

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Re: Add a tip for Photoshop please!
« Reply #110 on: October 06, 2008, 12:41:12 AM »
Polarising Effect

This is a very neat effect to simulate a polarising filter should you have forgotten this important accessory at home ;)

1. Open your image
2. Duplicate the background layer
3. Select "channels" in the layer palette and click the red one
4. In the menu bar click select > select all (ctrl/cmd + A) > edit > copy (ctrl/cmd + C)
5. Click RGB again in your channels palette > Image > Mode > Lab colour > click: "don't flatten
6. Click the "lightness" channel > edit paste (ctrl/cmd + V)
7. Click "Lab" again in the channels palette > image > mode > RGB > don't flatten >click on "layer" in the layer palette and select the top layer
8. Layer > layer mask >reveal all (or just click at the bottom of the layer palette the little white circle- this will apply a layer mask)
9. Click the layer mask to work on it > image > apply image: under layer -> choose "background"; under channel -> choose red; blending: multiply; opacity 100%; tick: "invert"
10. If the effect is too strong lower the opacity of that top layer if it is not strong enough duplicate that layer once more and play around with opacity before flatten.

Voila this should help the one or other of you.

Happy photoshopping
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Offline Stef.

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Re: Add a tip for Photoshop please!
« Reply #111 on: October 06, 2008, 10:36:39 PM »
Aging image effect

Not sure for what you might ever want to use this but I was asked to demonstrate how to age an image. Now first of all this does not suit all images. Anything in the picture that gives away the fact that it has been taken today i.e the newest Ferrari... will give the effect away. It works well for landscapes.

1. Open image and duplicate the background
2. Go to channels and click them one by one through. You are looking for the one which gives the least clarity- quite often that's the red one. Make sure you select that one by highlighting it in blue- just click on it (the image will turn black and white) and just click on "layers"
3. Make an adjustment layer "hue/saturation" > click colorize and create a sepia effect (good start is hue: around 50; saturation around 25)
4. hold down ALT/Option and click the "create a new layer" button at the bottom of the layers palette; don't click O.K. yet! Set Mode to "overlay" and tick below that: "Fill with Overlay-neutral colour (50% gray)" > now click O.K.
5. Filter > noise > add noise > gaussian > tick monochromatic > choose a pretty high amount somewhere around 20-40%
6. Filter > blur > gaussian blur > 1 pixel
7. Add a level adjustment layer and pull both sliders (the black and the white one) inwards over the edge of the histogram AND move the black OUTput sldier to the right to about 20
8. Click the original copy of the background layer and add a slight gaussian blur
9. Add another levels layer and this time drag the midtone slider to the left to lighten the image
10. Click on the layer mask of this levels adjustment layer > choose the gradient tool (make sure it is set from black to white by firstly clicking D on your keyboard) > now draw a gradient to simulate fading
11. When happy > flatten the image > choose the elliptical marquee tool and draw a circle nearly over the whole image > click Q > filter > blur > gaussian blur > drag the radius to the right- approx. 50 pixels and watch your quick mask softening at the edges > click O.K. > click Q again and you have a softened marquee > select > inverse > image > adjustments > levels > drag the sliders so that the outside of your marquee gets darker/ or lighter depending on your taste.

That should do the trick!
Happy photoshopping!
Stef. :P
« Last Edit: October 07, 2008, 12:40:31 AM by AScot »
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Offline Stef.

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Re: Add a tip for Photoshop please!
« Reply #112 on: October 09, 2008, 10:22:05 PM »
Just was aksed this question somewhere else and thought it might be useful to put in here as well.

How to make large prints- or how to upsize and image

Make sure you do the following and don't ask me why it works -but it does and that's the most important thing...

a) go into image size- tick "resample" at the bottom of the page and make sure constrain proportions is ticked as well
b) put you size in iches into one of the fields (the other will change automatically) and put for resolution 360 (and yes I know - usually the perfect print resolution is 300 but just trust me on this one ;)) don't click O.K. just yet => where it says bicubic smoother ( best for enlargements) change this for bicubic sharper (best for reduction) - again just trust me...

You'd be surprise how big you can print that way and how sharp it is...

Best of luck and happy photoshopping!
Stef. :P
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Offline gazraa

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Re: Add a tip for Photoshop please!
« Reply #113 on: October 09, 2008, 10:46:16 PM »
hmmm interesting, I'll have to try that next time I need to get a big print. I wonder if lightroom can be used in a similar way somehow (haven't used photoshop for photos for ages)
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Re: Add a tip for Photoshop please!
« Reply #114 on: October 10, 2008, 12:21:13 AM »
Gazraa- not sure about Lightroom. I don't use Lightroom- I am soo used to Bridge/ Raw and CS3 that it makes no sense for me to use Lightroom. CS4 now will have the Adjustment brush- the one thing that I really wanted from Lightroom.
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Re: Add a tip for Photoshop please!
« Reply #115 on: November 03, 2008, 07:20:19 PM »
Drawing attention to your subject

This is a really cool tip and works wonders with portraits/ flowers/ animals/ and yes Clive- birds! Should also work in Elements.

1. Open you image in PS
2. Do all the usual adjustments
3. When you are finished- use the elliptical selection tool (second tool of the top- usually hidden behind the marquee tool) and draw a selection around your subject and then invert the selection (select > inverse). Now all the surrounding of you subject should be selected.
4. Create a brightness/contrast adjustment layer and set brightness to approx. -30 (layer > new adjustment layer > brightness/contrast)
5. You will see a distinct lighter circle around your subject- don't panic!
6. Still being on this adjustment layer: > filter > blur > gaussian blur > set the radius to at least 100%
7. Voila it should look pretty cool!

Hope this helps?

Happy photoshopping!
Stef. :P
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Offline Stef.

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Re: Add a tip for Photoshop please!
« Reply #116 on: November 03, 2008, 08:22:11 PM »
Faking Infrared

I know we have dealt with infrared before but this is something new I came across the other day and very well worth mentioning!

1. Convert your image to black and white- one fast way of doing this is to go to the channel mixer and click under presets on "infrared".
2. Set the foreground colour to white by first clicking the letter D and then the letter X
3. Select > Colour Range > click on your image on a highlight such as the already whitish foliage > change the fuzziness slider to approx. 100
4. Select > modify > expand > 1 pixel
5. Select > modify > feather > somewhere between 10 and 25 pixels
6. Edit > fill > use foreground colour (white) > set the opacity to somewhere around 15-100%

This should deliver the glow to highlights, similar to the look of black and white infrared film. Cool eh?

Happy photoshopping!

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Offline Clive

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Re: Add a tip for Photoshop please!
« Reply #117 on: November 13, 2008, 05:18:55 AM »
Quick copyright stamp

(Note: this may have been posted here already. Apologies to Stef. if she posted this already. :-[ I could not find it. ;) )

This description is for Elements 6. It works in Elements 3 as well and probably in CS3 and 4.

When you want to add a uniform copyright notice to a lot of pictures this works well. You actually create a "brush stamp." The neat thing is you can "stamp" your copyright notice in critical areas of a picture. You can see samples of how I used it here:
http://photoshare.shaw.ca/messages/viewthumb/6398794269-1226550479-77013/parm/page/1/15/

Create a new blank page (ctrl N) and make it about 200 pixel by 50 pixels.

Select the text tool. You may have to play with a couple of font sizes. (For web-sized images with resolution set at 72, the 18-pt text works okay.) Don't worry about the text color for now. To create the ©, type <Alt>  0169. (Thanks Rob!) Note: you have to have the "num lock" activated ... you MUST use the numbers pad.

Okay, so now you have your copyright notice typed..maybe something like, © 2008 CAS. Make the text layer "active" by clicking the pointer arrow...it will now have lines and "drag points around it.

Then click Edit and select "Define brush" .. give it a name like "© 2008 CAS" .. or whatever.

Now, with a picture open in PS, click on the brush tool. Scroll down to the bottom of the brush tool palette and you will find your brush stamp that is your very own © stamp. Go crazy. You can pick different opacity and color.



You can stamp it all over the place. I needed to do a few dozen FAST tonight. Voila. Warning! Just stamp once and fast. DO NOT drag the brush stamp .. it is a brush tool and will paint your © notice as well. ;)

You can warp the text (before saving the stamp brush) and generally do whatever you want. When you select the brush..change opacity and color if you wish.




« Last Edit: November 13, 2008, 12:09:53 PM by Clive »
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Offline Baldy

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Re: Add a tip for Photoshop please!
« Reply #118 on: November 13, 2008, 12:41:20 PM »
on the topic of ©

my laptop wont allow me to do the Alt 0169 nor numlock nor ctrl alt C, this was annoying me, hate it when others can do stuff and i can't :D

so i googled and found this

Or, you could just use the "Character Map" which is a stand-alone program that can be found under: "Start" - "All Programs" - "Accessories" - "System Tools".

You can select different fonts, see it's key stoke short-cut, and of course, you can just simply copy-paste the character you want.

So now i can at least put a © on if i so desired ©ee :-)
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Offline AScot

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Re: Add a tip for Photoshop please!
« Reply #119 on: November 13, 2008, 10:27:48 PM »
Baldy, if your interested, there's a bunch of different ways to do it here.
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