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Image Processing Tone & Colour

Image Processing Tone & Colour. Dominic Deane d.deane@leedsmet.ac.uk. 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.

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Image Processing Tone & Colour

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  1. Image ProcessingTone & Colour Dominic Deane d.deane@leedsmet.ac.uk

  2. 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. 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

  3. Assignment Portfolio (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.

  4. 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.

  5. Assignment The 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 24May 2013.

  6. Example Layout

  7. Example Layout

  8. Tone & Colour Tone Correction Colour CorrectionColour Management

  9. Tone & Colour • May adjust exposure or colour……… • To give a more accurate representation of the scene recorded. • Artificially add a certain mood or style.

  10. Tone Correct exposure will ensure you have a good range of contrast. In difficult conditions, its better to underexpose than overexpose.

  11. Tone Make use of your Camera’s Histogram.

  12. Correcting Tone • Use Adjustment Layers • Levels Tool • Curves Tool • Shadows & Highlights

  13. Colour Theory

  14. Correcting Colour • Use Adjustment Layers • Hue & Saturation Tool

  15. Colour Management

  16. Steps in Colour Management 1. Calibrate your monitor. Set the required profile under the Display Colour Settings.

  17. Steps in Colour Management 1. Calibrate your monitor.

  18. Steps in Colour Management 2. Set the Colour Working Space within Photoshop. Edit, Colour Settings, and select required profile (usually Adobe RGB1998)

  19. Steps in Colour Management 3. Calibrate your printer. Printer Properties, Colour Management, and select the required profile (usually Adobe RGB1998).

  20. Steps in Colour Management Using Consistent Profiles (such as Adobe RGB1998)……. 1. Calibrate your monitor. 2. Set the Colour Working Space within Photoshop. 3. Calibrate your printer.

  21. CMYK and RGB

  22. CMYK If needing to publish in CMKY. Convert to this before making any colour corrections. Within Photoshop, Image, Mode, CMKY.

  23. Tutorial Exercises Work 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.

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