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視訊 通訊 homework 2

視訊 通訊 homework 2. 林 葦 M023010042. outline. Implement 4-bit IGS code LSB is zero LSB is random Design LSB by myself Error correction Hamming code results. LSB is zero. original LSB is zero, PSNR = 31.9. LSB is random.

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視訊 通訊 homework 2

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  1. 視訊通訊homework 2 林葦 M023010042

  2. outline • Implement 4-bit IGS code • LSB is zero • LSB is random • Design LSB by myself • Error correction • Hamming code • results

  3. LSB is zero original LSB is zero, PSNR = 31.9

  4. LSB is random original LSB is random, PSNR = 27.4

  5. Design LSB by myself

  6. Design LSB by myself original mine, PSNR = 32.3

  7. chart

  8. Bit error rate 1% original LSB is zero, PSNR = 24.1

  9. Bit error rate 15% original LSB is zero, PSNR = 13.4

  10. Error correction + + + + + + Hamming code : p1=d1 d2 d3 p2=d1 d3 d4 p3=d2 d3 d4

  11. Bit error rate 1% PSNR=24.1 PSNR = 27.9

  12. Bit error rate 5% PSNR=17.8 PSNR = 20.3

  13. Bit error rate 15% PSNR=13.4 PSNR = 13.9

  14. results

  15. results

  16. results

  17. results

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