image processing tone & colour
DESCRIPTION
Image Processing Tone & Colour. Dominic Deane [email protected]. Image Processing. The tutorials are designed to give you an understanding of the image processing principles and how to use the tools within Photoshop. Don’t just repeat these for your portfolio. - PowerPoint PPT PresentationTRANSCRIPT
Image ProcessingThe tutorials are designed to give you an
understanding of the image processing principles and how to use the tools within Photoshop.
Don’t just repeat these for your portfolio.
Demonstrate how you have applied selective techniques to certain images, and explain why you used them (in what way did it enhance the
image), with an evaluation on how effective you consider the end result to be
AssignmentPortfolio (100%)
Students will be required to draw up a
portfolio demonstrating their understanding of image processing techniques.
This should evidence how these techniques have been effectively applied to the Group
Project assignment to professionally manage and produce digital images appropriately for
publication.
Assignment
The portfolio should cover the following areas of image processing;
• Cataloguing and indexing images• Image format and compression• Colour and tonal adjustment• Retouching and correction.• Effects and filters.
AssignmentThe portfolio should be a combination of text and supporting images, and should include research
activities, examples of experimentation, methodology, and an evaluation of the techniques as applied to your
own work.
The portfolio should be at least the equivalent of 10 pages of well covered A4 pages, with at least 1000
words.
The portfolio should be submitted in PDF format to the x-stream drop box by 24 May 2013.
Example Layout
Example Layout
Tone & Colour
Tone Correction
Colour Correction
Colour Management
Tone & Colour
May adjust exposure or colour………
• To give a more accurate representation of the scene recorded.
• Artificially add a certain mood or style.
ToneCorrect exposure will ensure you have a
good range of contrast.
In difficult conditions, its better to underexpose than overexpose.
ToneMake use of your Camera’s Histogram.
Correcting Tone
• Use Adjustment Layers
• Levels Tool
• Curves Tool
• Shadows & Highlights
Colour Theory
Correcting Colour
• Use Adjustment Layers
• Hue & Saturation Tool
Colour Management
Steps in Colour Management
1. Calibrate your monitor.
Set the required profile under the Display Colour Settings.
Steps in Colour Management
1. Calibrate your monitor.
Steps in Colour Management
2. Set the Colour Working Space within Photoshop.
Edit, Colour Settings, and select required profile (usually Adobe RGB1998)
Steps in Colour Management
3. Calibrate your printer.
Printer Properties, Colour Management, and select the required profile (usually Adobe RGB1998).
Steps in Colour Management
1. Calibrate your monitor.
2. Set the Colour Working Space within Photoshop.
3. Calibrate your printer.
Using Consistent Profiles (such as Adobe RGB1998)…….
CMYK and RGB
CMYK
If needing to publish in CMKY. Convert to this before making any
colour corrections.
Within Photoshop, Image, Mode, CMKY.
Tutorial ExercisesWork through the tutorials on Adjusting
Colour and Levels & Curves.
These are available on x-stream or under www.ddeaneleedsmet.wordpress.com
Look at applying these techniques to your own images.