Relevance recommendation method based on multimedia technology-assisted English teaching design and teaching content
27 feb 2025
INFORMAZIONI SU QUESTO ARTICOLO
Pubblicato online: 27 feb 2025
Ricevuto: 24 set 2024
Accettato: 16 gen 2025
DOI: https://doi.org/10.2478/amns-2025-0121
Parole chiave
© 2025 YuNan Sun, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
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Table of ways for students to acquire knowledge outside the classroom
method | frequency | Percentage (%) |
---|---|---|
teaching materials | 160 | 30 |
extracurricular books | 55 | 10 |
television | 45 | 9 |
Micro video | 170 | 32 |
broadcast | 30 | 6 |
other | 68 | 13 |
total | 528 | 100 |
Image quality evaluation comparison table
method | UEP-Raptor | EEP-Raptor | ||
---|---|---|---|---|
PSNR(1) | SSIM(1) | PSNR(2) | SSIM(2) | |
1 | 32.98 | 0.91 | 9.08 | 0.27 |
2 | 32.87 | 0.89 | 24.71 | 0.85 |
3 | 33.11 | 0.90 | 29.57 | 0.86 |
4 | 32.58 | 0.90 | 5.56 | 0.24 |
5 | 31.33 | 0.89 | 27.38 | 0.73 |
Number of encoded packets and packet loss rate in video transmission
20 | 30 | 40 | 50 | 60 | 70 | 80 | |
67 | 107 | 160 | 214 | 296 | 403 | 472 | |
16 | 15 | 13 | 33 | 51 | 74 | 94 | |
13 | 16 | 13 | 12 | 15 | 18 | 23 | |
15 | 13 | 14 | 14 | 14 | 13 | 14 | |
14 | 14 | 15 | 15 | 13 | 17 | 15 |
Slope search algorithm for video distribution performance comparison table
SNR (dB) | Target rate (kbps) | Actual rate (kpds) | PSNR-Y | PSNR-U | PSNR-V | average PSNR | |
---|---|---|---|---|---|---|---|
1.5(1) | 1000 | 995.4 | 35.3 | 42.6 | 44.2 | 37.9 | |
1.5(1) | 1500 | 1499.4 | 36.8 | 43.8 | 45.3 | 39.4 | |
2(1) | 450 | 430.2 | 32.1 | 41.1 | 42.8 | 35.4 | |
2(1) | 1000 | 1008 | 35.6 | 42.9 | 44.5 | 38.3 | |
2(1) | 1500 | 1452.7 | 36.9 | 43.8 | 45.3 | 39.5 | |
1.5(2) | 1000 | 981 | 35.1 | 42.3 | 43.6 | 37.6 | |
1.5(2) | 1500 | 1468.8 | 36.5 | 43.5 | 44.8 | 39.1 | |
2(2) | 450 | 450 | 32.6 | 40.3 | 41.6 | 35.4 | |
2(2) | 1000 | 1002.6 | 35.2 | 42.5 | 43.8 | 37.8 | |
2(2) | 1500 | 1427.4 | 36.7 | 43.5 | 44.8 | 39.2 |
Comparison table of experimental group and control group
group | number of people | The average score | Excellent rate (%) | Pass rate (%) | Low score rate (%) | standard deviation | standard error of the mean |
---|---|---|---|---|---|---|---|
test group | 50 | 75.6 | 32.5 | 95 | 5 | 10.2 | 1.6 |
control group | 50 | 69.8 | 12.5 | 87.5 | 12.5 | 8.2 | 1.3 |
Comparison between the two-sequence L W-EZEP model and its improved model
PSNR-Y | PSNR-U | PSNR-V | average PSNR | ||
---|---|---|---|---|---|
33.52 | 41.75 | 43.46 | 34.55 | ||
34.34 | 42.21 | 43.89 | 37.24 | ||
33.83 | 41.19 | 42.45 | 36.51 | ||
34.21 | 41.76 | 43.02 | 36.95 |