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Nice Calm Scene. (You’ll need it.). Skills. Getting files off of the camera or scanner Archiving Choosing and adjusting image file type Editing Scaling size/resolution for web/e-mail Scaling size/resolution for print. Terms and Concepts. Pixels Image Resolution

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Nice calm scene

Nice Calm Scene.

(You’ll need it.)


Skills
Skills

  • Getting files off of the camera or scanner

  • Archiving

  • Choosing and adjusting image file type

  • Editing

  • Scaling size/resolution for web/e-mail

  • Scaling size/resolution for print


Terms and concepts
Terms and Concepts

  • Pixels

  • Image Resolution

  • “Output” or “Physical” Image Size

  • Color Depth

  • File Formats




Web friendly file formats
“Web Friendly” File Formats

  • JPEG images (*.jpg, *.jpeg, *.jpe, *.jfif) - many compression levels (lossy)

  • CompuServe images (*.gif)- compression format: LZW (lossless)

    - special: interlaced, non-interlaced

  • Portable network graphic images (*.png)- compression format: LZ77


Jpeg jpg photographical
JPEG/JPG “Photographical”

  • JPEG is designed for compressing either full-color or grey-scale digital images of "natural", real-world scenes. It does not work so well on non-realistic images, such as cartoons or line drawings.

  • Remember, the 'P' in JPEG stands for 'Photographic'. It was designed to be used to compress photographic image data.

    (Joint Photographic Experts Group)


Gif solid colors and lines
GIF “Solid colors and lines”

  • GIF images can contain a maximum of 256 colors (8 bits) or less… (Graphics Interchange Format)

    …if you create a GIF image of a red arrow, you can customize the file to have only two colors, red and white.


PNG

  • PNG: Essentially ‘Extended’ GIF Images.

    Allows for up to 24-bit color including control of opacity. Saving, restoring and re-saving a PNG image will not degrade its quality. PNG does not support animation like GIF does. “Patent-Free”


Edit friendly
“Edit Friendly”

  • Uncompressed or lossless compression

    • Saved, edited, saved, edited without penalty

    • Good for archives… (Why?)


Edit friendly web poor file formats either uncompressed or lossless compression
“Edit Friendly” (web poor) file formats(Either uncompressed or lossless compression)

  • TIFF images (*.tif, *.tiff)

    - uncompressed (Compressed: packed bits, LZW*, CCITT T.4, Deflate, new style JPEG…)

  • Standard Windows bitmap images (*.bmp)- uncompressed

  • Photoshop images (*.psd, *.pdd)- uncompressed

  • RAW images (*.raw)

    - shockingly uncompressed


Step a
Step A.

  • Archive your important photos in their BIRTHDAY SUITS. (native, un-edited, un-resaved, happy, naked state)

  • (Meaning, make a copy and DON’T work on the copy…)


Step b
Step B

  • If you will be doing lots of

    saving, editing, saving, editing…

    FIRST, convert to a

    lossless or un-compressed form.


Step c
Step C

  • Edit and Adjust

    • For appropriate pixel size

    • Cropping, color, orientation…


Terms
Terms

  • Pixels

  • Image Resolution

  • Image Size

  • Color Depth

  • File Formats


Step d
Step D.

  • Save in the desired production format…

    Done!



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