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Image optimization and preparation of images for electronic publishing
Image optimization | Photo retouching
Image optimization
 Image optimization is vital for preparing
images for digital collections
 Image optimization is the process of getting
the right balance of image size and picture
quality
 Image optimization is achieved by using a
special graphic design software such as
Adobe Photoshop, CorelDraw, Adobe
Fireworks
 Key areas for optimizing file size: bit depth,
resolution, dimension
 Involves the selection of the right file format
 Lossy compression vs. lossless compression
 Selection of format for master files storage
 Selection of format for web publishing
Photo retouching
 Very common in digital libraries
 Important stage of developing digital collections
 The process of preparing images for electronic
publication
 Involves image manipulation using a special
graphic design software such as Adobe
Photoshop, CorelDraw, Adobe Fireworks
 The purpose: to make the images with
aesthetically pleasing appearance and attractive
look by applying various image editing
techniques
 Necessary skill for librarians who process old
photographs | manuscripts | maps as they usually
have poor quality and require special retouching
before uploading in the digital collection
Examples
before
after
Software: Adobe Photoshop CC2014
Techniques
 Patch tool (removes date)
 Spot healing brush (touch-ups after date removal)
 Color balance (enhances colors)
 Hue/saturation (enhances colors)
 Exposure (corrects tonal values)
File size (before | after)
2538KB 670KB
Dimensions in px (before | after)
2576x1952 640x485
Original copyright: Dimitar Georgiev
Copyright of derivative image: Marina Georgieva
Examples
Software: Adobe Photoshop CC2014
Dimensions in px (before | after)
2576x1952 1280x960
before
after
Techniques
 Patch tool (removes date)
 Spot healing brush (touch-ups
after date removal)
 Imported Word calendar with
applied bevel & embossed semi-
transparent base
Major techniques for the collage
 3 layers of the same photo
 Black & white version of the photo for background layer
 Middle layer has applied mask. Exposure | Offset |
Gamma correction to make tree stand out. Magic wand
tool to remove everything except for the tree. Colors of
the tree enhanced: Hue/saturation & Color balance
 Top layer is only grass. Applied mask. Magic wand tool
removes everything except for small tuffs of grass.
Colors enhanced: Hue/saturation & Vibrance
Original copyright: Dimitar Georgiev
Copyright of derivative image: Marina Georgieva
Examples
Software: Adobe Photoshop CC2014
File size (before | after)
673KB 249KB
Dimensions in px (before | after)
900x1344 450x672
before
after
collage
Techniques
 Lasso tool (selects window)
 Content aware fill (removes
window)
Techniques for collage
 Quick selection tool (selects the
lady)
 Refine edges (manipulates
hair in greater details)
 Apply mask (removes the
background and cuts out only the
selected figure)
 Eraser tool for touch-ups
Copyright of derivative images: Marina Georgieva
Examples
Software: Adobe Photoshop CC2014
before
after
afterDigitized photograph
Great example for retouching
digitized photo with dull colors
Techniques
 Brightness & Contrast for
more sharp colors
 Levels for stronger highlight
Techniques for the sepia effect
 Convert to RGB color mode
 Hue | Saturation => Colorize
Copyright of derivative images: Marina Georgieva
Examples
Software: Adobe Photoshop CC2014
Digitized photograph
Great example for retouching and
modifying crooked digitized photo
with bluish filter
before
after
Techniques
 Crop tool (for straightening the image)
 Color balance (for reducing the bluish filter)
 Brightness & Contrast (for color sharpness)
 Levels (for reducing the white pixels)
Copyright of derivative images: Marina Georgieva
The end
Copyright: Marina Georgieva
This project was made
possible thanks to
great option for Internet
accessing of the
Adobe Creative Cloud
2014 installed on the
SOIS virtual machines.
Special thanks to the School of
Information Studies, University of
Wisconsin  Milwaukee for providing
free access to their Virtual Lab.

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Photo retouching project

  • 1. Image optimization and preparation of images for electronic publishing
  • 2. Image optimization | Photo retouching Image optimization Image optimization is vital for preparing images for digital collections Image optimization is the process of getting the right balance of image size and picture quality Image optimization is achieved by using a special graphic design software such as Adobe Photoshop, CorelDraw, Adobe Fireworks Key areas for optimizing file size: bit depth, resolution, dimension Involves the selection of the right file format Lossy compression vs. lossless compression Selection of format for master files storage Selection of format for web publishing Photo retouching Very common in digital libraries Important stage of developing digital collections The process of preparing images for electronic publication Involves image manipulation using a special graphic design software such as Adobe Photoshop, CorelDraw, Adobe Fireworks The purpose: to make the images with aesthetically pleasing appearance and attractive look by applying various image editing techniques Necessary skill for librarians who process old photographs | manuscripts | maps as they usually have poor quality and require special retouching before uploading in the digital collection
  • 3. Examples before after Software: Adobe Photoshop CC2014 Techniques Patch tool (removes date) Spot healing brush (touch-ups after date removal) Color balance (enhances colors) Hue/saturation (enhances colors) Exposure (corrects tonal values) File size (before | after) 2538KB 670KB Dimensions in px (before | after) 2576x1952 640x485 Original copyright: Dimitar Georgiev Copyright of derivative image: Marina Georgieva
  • 4. Examples Software: Adobe Photoshop CC2014 Dimensions in px (before | after) 2576x1952 1280x960 before after Techniques Patch tool (removes date) Spot healing brush (touch-ups after date removal) Imported Word calendar with applied bevel & embossed semi- transparent base Major techniques for the collage 3 layers of the same photo Black & white version of the photo for background layer Middle layer has applied mask. Exposure | Offset | Gamma correction to make tree stand out. Magic wand tool to remove everything except for the tree. Colors of the tree enhanced: Hue/saturation & Color balance Top layer is only grass. Applied mask. Magic wand tool removes everything except for small tuffs of grass. Colors enhanced: Hue/saturation & Vibrance Original copyright: Dimitar Georgiev Copyright of derivative image: Marina Georgieva
  • 5. Examples Software: Adobe Photoshop CC2014 File size (before | after) 673KB 249KB Dimensions in px (before | after) 900x1344 450x672 before after collage Techniques Lasso tool (selects window) Content aware fill (removes window) Techniques for collage Quick selection tool (selects the lady) Refine edges (manipulates hair in greater details) Apply mask (removes the background and cuts out only the selected figure) Eraser tool for touch-ups Copyright of derivative images: Marina Georgieva
  • 6. Examples Software: Adobe Photoshop CC2014 before after afterDigitized photograph Great example for retouching digitized photo with dull colors Techniques Brightness & Contrast for more sharp colors Levels for stronger highlight Techniques for the sepia effect Convert to RGB color mode Hue | Saturation => Colorize Copyright of derivative images: Marina Georgieva
  • 7. Examples Software: Adobe Photoshop CC2014 Digitized photograph Great example for retouching and modifying crooked digitized photo with bluish filter before after Techniques Crop tool (for straightening the image) Color balance (for reducing the bluish filter) Brightness & Contrast (for color sharpness) Levels (for reducing the white pixels) Copyright of derivative images: Marina Georgieva
  • 8. The end Copyright: Marina Georgieva This project was made possible thanks to great option for Internet accessing of the Adobe Creative Cloud 2014 installed on the SOIS virtual machines. Special thanks to the School of Information Studies, University of Wisconsin Milwaukee for providing free access to their Virtual Lab.