Wednesday, 9 November 2016

Advantages and Disadvantages of Data compression

Advantages
  • Less disc space.
  • Faster writing and reading.
  • To obtain these advantages the compression and decompression must be carried out directly and reading programs.
  • Variable dynamic range.
  • Byte order independent.

  • Disadvantages
  • Added complication.
  • Effect of error in transmission.
  • Need to decompress all previous data.
  • stripping or tiling, or look-up tables can partially overcome these problems.
  • slower for sophisticated methods.
  • "Unknown" byte/ pixel relationship.

  • Notes