ottawa pc users’ group basic digital photo editing · before you start is it “proper” to edit...
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![Page 1: Ottawa PC Users’ Group Basic Digital Photo Editing · Before you start Is it “proper” to edit a photo? –Photo is a representation of reality –Your photo does not necessarily](https://reader033.vdocuments.us/reader033/viewer/2022051812/602cfa00d504a042d7492591/html5/thumbnails/1.jpg)
Ottawa PC Users’ GroupBasic Digital Photo Editing
Chris Taylor
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Agenda
Before you start
Photo editing programs
Geometry
Lighting and colour
Fixing basic flaws
Filters
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Before you start
Is it “proper” to edit a photo?
– Photo is a representation of reality
– Your photo does not necessarily represent what you saw
– Get over it!
Work only on copies (not originals)
Save a copy periodically
“Undo” and “Redo” truly your friends
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Before you start (con’t)
Some things can’t be (easily) fixed
– Out of focus
– Very overexposed / underexposed
– Image motion
– Expressions on faces, etc.
But all problems can generally be improved
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Photo editing programs(free) Google Picasa
picasa.google.com
Microsoft Live Photo Editorwindows.microsoft.com/en-CA/windows-live/essentials-home
Photoscapewww.photoscape.org
Paint.NETwww.getpaint.net
GIMP(very powerful, but steep learning curve)www.gimp.org
Pixlr(online photo editor)www.pixlr.com
Inclusion here should not be taken as any sort of endorsement on the part of the Ottawa PC Users’ Group
![Page 7: Ottawa PC Users’ Group Basic Digital Photo Editing · Before you start Is it “proper” to edit a photo? –Photo is a representation of reality –Your photo does not necessarily](https://reader033.vdocuments.us/reader033/viewer/2022051812/602cfa00d504a042d7492591/html5/thumbnails/7.jpg)
Free photo viewers(some editing features)
Irfanviewwww.irfanview.org(don’t forget plug-ins)
XNViewwww.xnview.com
FastStone Image Viewerwww.faststone.org/FSViewerDetail.htm
FotoSketcher (just filters)www.fotosketcher.com
Inclusion here should not be taken as any sort of endorsement on the part of the Ottawa PC Users’ Group
![Page 8: Ottawa PC Users’ Group Basic Digital Photo Editing · Before you start Is it “proper” to edit a photo? –Photo is a representation of reality –Your photo does not necessarily](https://reader033.vdocuments.us/reader033/viewer/2022051812/602cfa00d504a042d7492591/html5/thumbnails/8.jpg)
Photo editing programs(commercial)
Abobe Photoshop Elementswww.adobe.com/ca/products/photoshop-elements.html
Corel PaintShop Prowww.corel.com
Inclusion here should not be taken as any sort of endorsement on the part of the Ottawa PC Users’ Group
![Page 9: Ottawa PC Users’ Group Basic Digital Photo Editing · Before you start Is it “proper” to edit a photo? –Photo is a representation of reality –Your photo does not necessarily](https://reader033.vdocuments.us/reader033/viewer/2022051812/602cfa00d504a042d7492591/html5/thumbnails/9.jpg)
Geometry
Straightening
– Horizons should be horizontal
– Buildings should be vertical
Cropping
– Rule of thirds for centre of interest
Place the centre of interest near intersection of three evenly spaced vertical and horizontal lines
– Removing distracting objects
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Straightening
Horizons generally easy
– But horizontal objects are not always horizontal
Verticals can be problematic
– Parallax
– Vertical object not always vertical
Sometime “straight” is not “right”
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Cropping
Move center of interest to better postion Remove uninteresting / distracting parts
Don’t remove too much– background tells a story too– Excessive cropping = poor quality– Maybe remove distracting parts other ways
Cropping standard aspect ratios vs custom– Keep in mind frame sizes / matte sizes– Sending to a commercial printer
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Rule of thirds
Centre of interest at/near intersections
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Lighting
Frequent problem is lack of detail in brightest and/or darkest areas
Try to maintain texture in both lightest and darkest areas
Adjust brightness and contrast to what is pleasing to you
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Colour
Tricky to manually adjust
Saturation easier (in moderation)
Some programs have “auto fix”
Some programs can adjust for colour temperature
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Fixing flaws
Red-eye removal
Blemish removal
Clone brush / blending brush / “smart erase”
Dodge / burn
Sharpen / blur
Filters