Image Editing Basics Resolution Screen resolution Printer resolution

Image Editing Basics Resizing pictures –Cropping –Scaling –How does this change the size of the picture?

Image Editing Basics Common functions –Crop –Brightness and Contrast –Color Balance (autobalance) –Transparency

Image Editing Basics How to do it “on the cheap” –MS Office picture toolbar crop; brightness & contrast; transparent colors –MS Paint File conversion; add text (not much else!) –GIMP – free image editing software –Scanner or camera purchase Look for Adobe Photoshop Elements or Photoshop Album with purchase

Image file formats JPEG – stands for Joint Photographic Experts Group –.jpg or.jpeg –Most common photographic file on WWW –“lossy” compression

Image Editing Basics Common functions –Crop –Brightness and Contrast –Color Balance (autobalance) –Transparency

Image file formats JPEG – stands for Joint Photographic Experts Group –.jpg or.jpeg –Most common photographic file on WWW –“lossy” compression

Image file formats GIF or CompuServe GIF –.gif –“Graphics Interchange Format” –Good for small images on WWW Has “lossless” compression, so sharpness is retained –Limited to 256 colors Not good for larger photos

Image file formats TIFF or TIF –.tif or.tiff –“Tagged Image File Format” –“Lossless” compression –Good file format to choose for print publications –Much larger in size

Image file formats Bitmap or Windows Bitmap –.bmp –Used primarily within Windows as a way to display images (screenshots or desktops) PICT –.pict –Essentially serves the same function as bitmaps, but for Apple computers

Photo Sharing and Printing Too numerous to mention all! –Flickr –Webshots –MyPhotoAlbum –Yahoo –PhotoBucket –And many many others

Photo Sharing and Printing Free to create albums and let others see Pay to print photos NOT SECURE !!!

General Considerations … For WWW – file sizes kept under K For print – the larger the resolution the better For school – no identifying information

Digital Camera Basics … Lens – digital vs. optical zoom. Can you add additional lenses/filters? Batteries – AAs? Rechargeable batteries? If rechargeable, how? –Look for Li-ion rechargeable if possible

Digital Camera Basics … Lens – digital vs. optical zoom. Can you add additional lenses/filters? Batteries – AAs? Rechargeable batteries? If rechargeable, how? –Look for Li-ion rechargeable if possible

Digital Camera Basics … Speed of shot – how long does it take from the time you press the shutter button for the camera to take the picture? How long until you can take another picture? Storage – what type of storage? How much? –The type of memory card you use is dictated by which digital camera you buy. These physically different cards are -not- interchangeable. –Secure Digital (SD), CompactFlash (CF), SmartMedia (SM), Memory Stick (MS), MultiMediaCard (MMC) and xD-Picture Card (xD).

Digital Camera Basics … Image format – what types of images will your camera take? –JPEG –TIFFs Image quality – what will you be using your camera for? –Small prints (4x6) - 2 megapixel camera is sufficient (for PowerPoint, even less will do!). –Poster size prints - 5 megapixel or more –More megapixels does not always mean better pictures!