September 2013
Intermediate to advanced
398 pages
14h 22m
English
Content preview from Cyber-Physical Systems
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Video Communications in UAV-Based Cyber-Physical Systems ◾ 273
© 2010 Taylor & Francis Group, LLC
Figure 18.23 shows that the video quality could be poor (PSNR < 14 dB) when the UAV
consistently opens its motor, which causes much interference to the wireless video transmission
system.
Table 18.3 shows that our designed antenna can ensure an average of >26 dB PSNR, which is
acceptable for video applications. e SSIM is >77%, which is a good video quality maintenance.
e VQM is less than 4.2, which is a small distortion, and the delta performance is lower than 7.5,
which means that the color difference is small.
B
ad frame (shifting)
0.954
0.875
0.750 ...
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