Data Compression

Lissette Willliams-Fernandez
Mind Map by Lissette Willliams-Fernandez, updated more than 1 year ago
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Data Compression
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Resource summary

Data Compression
1 COMPRESSION TECHNIQUES
1.1 REDUCE THE FILE SIZE
1.2 MOSTLY USED WITH SOUND, IMAGE +VIDEO
1.3 LOSSY COMPRESSION
1.3.1 JPG
1.3.2 GIF
1.3.3 MP3
1.3.4 MP4
1.4 LOSSLESS COMPRESSION
1.4.1 PNG
1.4.2 TIF
1.4.3 SVG
2 LOSSY COMPRESSION
2.1 PERMENATELY REMOVES DATA
2.2 RECREATES THE FILE USING THE REMAINDING DATA
2.3 NOT SAME AS THE ORIGINAL
2.4 USES ALGORITHIMS TO GUESS THE REMOVED CONTENT
3 LOSSLESS COMPRESSSION (IMAGE)
3.1 FINDS GROUPS OF REPLECATING DATA AND RECORDS
3.2 WHEN DATA IS UNCOMPRESSED IT GOES BACK EXACTLY TO HOW IT WAS BEFORE
4 LOSSLESS COMPRESSION (TEXT)
4.1 FINDS PATTERNS WITH THE ORIGINAL TEXT
4.2 ENCODES EACH PATTERN INTO A DICTIONARY
5 WHY USE COMPRESSION
5.1 DOWNLOAD SPEED INCREASES
5.2 EASIER TO STORE
5.3 REDUCES TRAFFIC OVER THE INTERNET
5.4 LESS CHANCE OF ERRORS
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