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How to sharpen the Image - PowerPoint PPT Presentation


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How to sharpen the Image. Nathan Gravlee. Digital Media. What is this? – It make an image look for defined and hard-focused. It enhances detail! When do I do this? – Whenever an image is not quite clear as you would like. It can either greaten the details, or soften i t.

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Presentation Transcript
digital media
Digital Media
  • What is this? – It make an image look for defined and hard-focused. It enhances detail!
  • When do I do this? – Whenever an image is not quite clear as you would like. It can either greaten the details, or soften it.
  • How do I use this? - To sharpen an image click FILTERS > Sharpen> UNSHARP MASK - play about with the sliders until you get the effect you desire. BUT DON’T OVERSHARPEN!
  • What do all of the options do?
  • Amount- controls the intensity of the sharpening
  • Radius- radius determines how wide of an area, around a particular edge, will be sharpened
  • Threshold -threshold determines how much tonal difference must exist between two pixels before sharpening is applied (on a 0 -- 255 scale).
questions
QUestionS???
  • ~What are the three options of used for sharpening?
  • ~Is it possible to over sharpen?
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