Noets

Graphic File formats
understanding format
choice and image compression
File Mormatsall computer documents or files are packaged in different formats the format is determined formats
the formats is determined often buy the files origin such asa soft ware program like photoshop a device such asa digital camera
Graphic files such as a photo video or artwork can be reduced in file size by using image compression formats

Lossy vs lossless
Graphic image formats fall under 2 categories of compression lossy and lossless
with lossy image data is "lost" or reduced for smaller file sizes but can cause poor image quality. can result in showing "compression artifacts
Lossless retains image data for higher quality but larger file sizes

Graphic formats Tif jpg and gif are the 3most common formats for common activities such as printing scanning and displaying images over the internet
PNG is a common web format, is high quality and can contain an alpha (transparency) channel
Each format has its own advantages disadvantages
File Format Tif stands for tagged image format
common format for desktop publishing print photo and graphic design
Is a Losses file format it retains image data for maximum image quality
can result in larger file sizes, not fit

Fi;e format Jpg
stands for joints photographers expert group
Created for digital photography and works best for photo content
is a LOSSY format
can reduce an image file size by 10:1 without
showing significant compression artifacts
the level of compression

File format gif
stands for graphics interchange format's
isbest for graphics or images that have flat
color or even tone, such as a cartoon
reducers image size by" indexing "color from 3 channels to1
is adjustable by changing color bit levels from 1-8 contains no Dpi (dots per inch ) data for printing not a pre per format for print
 know your pixels
tif and jpg are best for images with pixels the blend in color these are called
"comyigous pixels"
gif is best for images with flat even tone
or "non-contigours pixles"

alias vs anit- aliase