Camera Skills - post production techniques

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Camera Skills - post production techniques

Postby Micheál » Thu Jan 03, 2013 11:22 pm

Notice I'm not going to mention the "P" word since there are lots of other image manipulating tools out there.
Whilst I don't intend to stick a whole lot on here, I think it best to keep it in its own topic - ok?

Here how to correct buildings that have become distorted by a wide-angle lens (I'll use generic description common to many popular tools - not the terminology of any particular software). Remember this? The Town Hall all leaning in?

Image
NYE Fireworks at Dun Laoghaire

1. Dont crop before you correct - you'll be glad to have 'spare material" at the sides.
2. Straighten the image so that the centre of the building is running true vertical - dont worry where the rest goes. (If your camera was dead level, you wont even need to carry out this step)
3. Increase the size of your workspace (not the image, but the space it is displayed on) so you have about 30% "white space" extra on each side
4. Activate a grid so a sum copy is overlaid on the image (This is just to help you allign)
5. Ignoring the added space (Step 3), "select" your original image and convert that "selection" into an "object"
6. Leaving the bottom corners alone - stretch the top corners out into their neighbouring white space as far as it takes to align the building with the vertical grid lines. Be careful to stretch both side equally
7. de-activate the grid - you'll end up with something like this -

Image
town_hall_corrected_IMG_300

8. Crop the image to a standard proportion e.g 8x6, 6x4, 6x6 so that all of the white space is dropped.
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Re: Camera Skills - post production techniques

Postby Micheál » Thu Jan 03, 2013 11:30 pm

The real lesson here is to plan ahead before you even take the darn picture. If you intend to apply this process, be sure to take a wider shot than you really need.

As you can see, in my shot, when I crop away all the white space , I'll end up losing the Church Steeple ( which in this case, adds a nice context to the main subject). If I had brought in more of Marine Road, I could have avoided clipping St Michaels in this way.

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Re: Camera Skills - post production techniques

Postby Micheál » Thu Jan 03, 2013 11:54 pm

There are lots of great software tools out there. Most PCs come with one already on board.
I never stick to a single tool - I use whatever software I think is best/easist for whatever I happen to be doing. The ones I favour most are
Picasa - red eye removal, straightening, cropping, uploading
Flickr - uploading, providing links to DunLaoghaire County
Photoshop Elements - mostly for downsizing for on-line display & almost everything else - there's a first class, free on-line version here http://photoshoponlinefree.com/
Corel Photopaint - a very old version - but superb for complex editing, manipulation etc.
Colour Thief - not quite for image editing, more for analysing colour patterns to be copied when theming associated web pages etc. http://lokeshdhakar.com/projects/color-thief/
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Re: Camera Skills - post production techniques

Postby grammer » Fri Jan 04, 2013 1:28 am

Nice ones Micháel and thanks for the advice and links -
I have to say I use Picasa myself to download from my camera -but its a bit of a bitch too -cos it try's to always take over.
Photoshop -I used to know how to use it -I have as I think I mentioned before -I have the new version of CS6 on my PC
it's too complicated :roll: :roll: :roll:
I must go and try Coral Photopaint -has'nt that always been a pay for ???
Im using the poor mans P.....s.op -Gimp -its a freebee and great -

once again thanks for the tips and keep them coming
sent from my PC and typed on a keyboard (old fashioned black colour) using three fingers
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Re: Camera Skills - post production techniques

Postby Strum » Fri Jan 04, 2013 2:05 am

Wide angle Shot from the DART Station just after midnight. :mrgreen:


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Re: Camera Skills - post production techniques

Postby keeper » Fri Jan 04, 2013 8:57 pm

Strum !! You left out the Fire Brigade !!!
Grammer, you must be loaded to be able to afford CS6 :shock: :shock: or is it the trial version ?
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Re: Camera Skills - post production techniques

Postby Micheál » Fri Jan 04, 2013 9:20 pm

Strum wrote:Wide angle Shot from the DART Station just after midnight.

Wonderful how dynamic back-lighting can give a whole new look to the Town Hall.
Pity the two clocks arent in sync. A minute's a long time when you're running to catch the last DART. :) :)

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Re: Camera Skills - post production techniques

Postby Strum » Fri Jan 04, 2013 9:22 pm

;) :D :mrgreen:
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Re: Camera Skills - post production techniques

Postby keeper » Fri Jan 04, 2013 9:27 pm

The Town Hall clock was always a four faced liar !!!!
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Re: Camera Skills - post production techniques

Postby Strum » Mon Jan 14, 2013 9:17 pm

I'm amazed that none of you questioned that photo I posted. A little Photoshop on the green and red,and cloned over a building on the right.

It's Big Ben folks! :D
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Re: Camera Skills - post production techniques

Postby jaytee » Mon Jan 14, 2013 9:31 pm

Doh ! How dumb are we :oops:
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Re: Camera Skills - post production techniques

Postby Rocker » Wed Jan 16, 2013 3:33 am

Strum,

I'd never question you!!

You divill...pulling a stunt like dat on poor us.
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