Examples for Quality Loss by Compression

Here you can see the effect of the different file formats and compressions in some examples
First we look at jpg formats
 
JPEG without ompression - 95kB

An image as JPEG without compression - Size: 95 kB
JPEG - Compression factor 30

An image as JPEG with compression factor 30 - Size: 19 kB
JPEG - Compression factor 85

An image as JPEG with compression factor 85 - Size: 8 kB
     
Next, we consider gif and png
 
     
GIF with optimal palette

An image as GIF with opimal palette - Size: 76 kB
GIF - with standard VGA-palette

An image as GIF with standard VGA-palette - Size: 12 kB
PING

The image as PNG - Size: 313 kB
 

With frame With frame as PDF

go to 5.2.2 Image Formats and Storage

© H. Föll (Matwis Seminar)