233004
Description
Mind Map by themisfits , updated more than 1 year ago
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Created by themisfits
about 11 years ago
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Image File Formats
- JPEG
- Uses 24 bit for colours
- Maximum of 16.7 million colours
- Used for images with
continuous colour (e.g. photos)
- Uses compression
- Transparency
- Advantages
- Widely supported on the internet
- Can be opened and viewed in
almost all viewing applications
- Compatible with all printers
- Widely supported on the internet
- Disadvantages
- When compressed looses quality
- Cannot have transparent backgrounds
- Doesn't support animation
- When compressed looses quality
- Uses 24 bit for colours
- GIF
- Uses 8 bit for colour
- Maximum of 256 colours
- Uses compression
- Used for simple graphics
- Uses transparency
- Advantages
- Most software supports it
- Can use transparency
- Doesn't loose quality when
compressed
- Most software supports it
- Disadvantages
- limited amount of colours (265)
- Can't correct colour backgrounds on gifs
- Takes up a lot of memory space
- limited amount of colours (265)
- Uses 8 bit for colour
- PNG
- Creates compressed images
without loosing quality
- Uses 16 million Colours
- Resulting file sizes are
larger than GIF or JPEG
- Advantages
- when compressed do not
loose quality
- supports 24-bit colour
- when compressed do not
loose quality
- Disadvantages
- not as small of a file size as JPG images
- comes with a number of
extension formats
- not as small of a file size as JPG images
- Creates compressed images
without loosing quality
- TIFF
- Bitmapped image format
- Suited to scanned images,
images wit continuous
colours and photographs
- Can be easily
modified
- Use any number of
colours
- Advantages
- good format to print in
- can be used on a variety of platforms
e.g. windows and mac OS
- Supports different levels of depths
from 1-32 bit
- good format to print in
- Disadvantages
- Has large file sizes
- no compression is used
- cameras cannot save many images
in TIFF file format
- Has large file sizes
- Bitmapped image format
- PSD
- Photoshop Documents
- Produce very high quality images
- No Compression
- Large file sizes
- Have slow upload
and download
speeds
- Advantages
- allows layers
- can save significant
amounts of information
- allows layers
- Disadvantages
- very large file
sizes because of
no compression
- only available in
Photoshop
- difficult to
download/upload or
email
- very large file
sizes because of
no compression
- Photoshop Documents
- BMP
- Map of pixels
- Supports millions of
colours
- File sizes are very large
- Slow download
speed
- MS Paint files are
saved as BMP
- Photographs can also be
saved as BMP
- Advantages
- easy to create
- can be re-coloured
- Well known
- easy to create
- Diadvantages
- If re-sized can loose quality
- requireed high-resolutions
- Can only be used on
the platform that it is
created on e.g. on microsoft
- If re-sized can loose quality
- Map of pixels
- EPS
- Standard format for
importing and exporting
PostScript files.
- Can contain text, graphics and images
- Contain small preview
images
- Photoshop can save bitmap
images in this file format
- Advantages
- ideal for importing into graphics
software
- can be used on a variety of
platforms e.g. transferred fro
Mac OS to PC
- ideal for importing into graphics
software
- Disadvantages
- Large file sizes
- Large file sizes
- Standard format for
importing and exporting
PostScript files.
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