JPEG vs RAW
Here is the PDF assignment for the week.
camera_raw__jpeg_file_formats_student_form_2013.usel.pdf | |
File Size: | 4805 kb |
File Type: |
Common Image File Formats
JPEG (jpg) — Joint Photographic Experts Group
TIFF (tif) — Tagged Image File Format
Links
General Information about image file formats
About.com: Which Graphics File Format Is Best To Use When? http://graphicssoft.about.com/od/graphicformats/f/summary.htm
Information about image file formats
PhotoShop Essentials: RAW Vs JPEG For Photo Editing Http://Www.Photoshopessentials.Com/Photo-Editing/Raw-Vs-Jpeg-For-Photo-Editing/
Darren Rowse: RAW Vs JPEG Http://Digital-Photography-School.Com/Raw-Vs-Jpeg
Outdoor Photographer: RAW Vs JPEG Http://Www.Outdoorphotographer.Com/How-To/Shooting/Raw-Vs-Jpg.Html
Ken Rockwell: JPG Vs RAW: Get It Right The First Time Http://Www.Kenrockwell.Com/Tech/Raw.Htm
JPEG (jpg) — Joint Photographic Experts Group
- Compressed image
- Group started in 1986
- Standard set in 1992
- Some image quality loss due to compression (the more file saved the more data loss)
- Creates small image size
TIFF (tif) — Tagged Image File Format
- May be compressed image
- Aldus (now Adobe) started in mid-80’s
- Standard set in 1992
- Little image quality loss due to lossless data compression
- Creates medium image size
- May be compressed image
- First released by Adobe in 1990 (Apple Macintosh only)
- Newest version part of Creative Suite 2 (CS3)
- Greatest support for PhotoShop imaging options
- Creates larger image sizes
- Compressed image
- Released by CompuServe in 1987
- “Standard” for Web
- Color palette limited to 254 colors
- Creates smallest image sizes for use with portable devices or web
- Supports animation
- Not processed, allows for greater control when editing in imaging program such as PhotoShop
- “Digital Negatives”
- Wider dynamic range
- Recent development
- Creates largest image sizes
- Common File Tags (dependent on camera make)
- Canon — CR2
- Fuji — RAF
- Nikon — NEF
- Pentax — PEF, DNG (developed by Adobe)
- Olympus — ORF
- Sony — SRF, SR2
- A graphics format initially developed as an alternative to licensing issues with GIF
- PNG was approved for use in 1996 and was came into standard use 2004.
- Primarily used with web images
- Variable transparency through alpha channels
- Gamma correction that helps PNG look better cross-platform than some other images
- Patent-free compression algorithm
- Does not support non-RGB color spaces such as CMYK
- Better compression, 10-30 percent smaller files than GIF
- Interlacing/progressive display
- Supports 48-bit truecolor, grayscale, and 8-bit color
- Lossless compression
- Searchable content
Links
General Information about image file formats
About.com: Which Graphics File Format Is Best To Use When? http://graphicssoft.about.com/od/graphicformats/f/summary.htm
Information about image file formats
PhotoShop Essentials: RAW Vs JPEG For Photo Editing Http://Www.Photoshopessentials.Com/Photo-Editing/Raw-Vs-Jpeg-For-Photo-Editing/
Darren Rowse: RAW Vs JPEG Http://Digital-Photography-School.Com/Raw-Vs-Jpeg
Outdoor Photographer: RAW Vs JPEG Http://Www.Outdoorphotographer.Com/How-To/Shooting/Raw-Vs-Jpg.Html
Ken Rockwell: JPG Vs RAW: Get It Right The First Time Http://Www.Kenrockwell.Com/Tech/Raw.Htm