Data Compression

Description

Data Compression
Lissette Willliams-Fernandez
Mind Map by Lissette Willliams-Fernandez, updated more than 1 year ago
Lissette Willliams-Fernandez
Created by Lissette Willliams-Fernandez over 7 years ago
112
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Resource summary

Data Compression
  1. COMPRESSION TECHNIQUES
    1. REDUCE THE FILE SIZE
      1. MOSTLY USED WITH SOUND, IMAGE +VIDEO
        1. LOSSY COMPRESSION
          1. JPG
            1. GIF
              1. MP3
                1. MP4
                2. LOSSLESS COMPRESSION
                  1. PNG
                    1. TIF
                      1. SVG
                    2. LOSSY COMPRESSION
                      1. PERMENATELY REMOVES DATA
                        1. RECREATES THE FILE USING THE REMAINDING DATA
                          1. NOT SAME AS THE ORIGINAL
                            1. USES ALGORITHIMS TO GUESS THE REMOVED CONTENT
                            2. LOSSLESS COMPRESSSION (IMAGE)
                              1. FINDS GROUPS OF REPLECATING DATA AND RECORDS
                                1. WHEN DATA IS UNCOMPRESSED IT GOES BACK EXACTLY TO HOW IT WAS BEFORE
                                2. LOSSLESS COMPRESSION (TEXT)
                                  1. FINDS PATTERNS WITH THE ORIGINAL TEXT
                                    1. ENCODES EACH PATTERN INTO A DICTIONARY
                                    2. WHY USE COMPRESSION
                                      1. DOWNLOAD SPEED INCREASES
                                        1. EASIER TO STORE
                                          1. REDUCES TRAFFIC OVER THE INTERNET
                                            1. LESS CHANCE OF ERRORS
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