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Video Communication Winter 2013 Homework Assignment #2

Video Communication Winter 2013 Homework Assignment #2. M023010094 Chen yen Ping E.E Nsysu. Outline. Bit Error Rate: Add different bit error rate(1%, 5%, 10%, 15%) Implement 4-bit IGS code LSB is zero LSB is random Design LSB by yourself Error correction

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Video Communication Winter 2013 Homework Assignment #2

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  1. Video CommunicationWinter 2013 Homework Assignment #2 M023010094 Chen yen Ping E.E Nsysu

  2. Outline • Bit Error Rate: • Add different bit error rate(1%, 5%, 10%, 15%) • Implement 4-bit IGS code • LSB is zero • LSB is random • Design LSB by yourself • Error correction • Protect and recover your bit(Hamming code)

  3. Flow Chart

  4. Comparison BER 5% BER 15%

  5. Comparison(Cont.) • LSB is zero ,BER1% Original

  6. Comparison • LSB is random,BER5% • LSB is design,BER5%

  7. Hamming Code • Original • LSB is zero, BER1 %

  8. The method of design 4bits: I think that the sum of four bits are range from zero to fifteen , so I guess the middle figure, 7. The results may not get lots of mistakes that compare to the original figure.

  9. Hamming Code(Cont.) • Original • LSB is design, BER1 %

  10. Hamming Code(Cont.) • Original • LSB is design, BER15 %

  11. Comparison

  12. Comparison(Hamming Code)

  13. Conclusion As the figure,the last 4 digits that all show zeros are the best in the PSNR and the worst is show random. I figure that I didn’t take the sum into account so that it’s not only has the error seven.

  14. Thank you

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