Wireless data technologies reference handbook phần 1 pps
Wireless data technologies reference handbook phần 1 pps
... Certificates 19 2 11 .6 Wireless Transport Layer Security (WTLS) 19 3 11 .6 .1 WTLS 19 3 11 .6.2 WAP 19 5 11 .6.3 WEP 19 5 11 .6.4 WPKI 19 9 11 .7 Authentication and Integrity 2 01 11. 8 Security Threats 202 11 .8 .1 Denial-of-Service ... (PKI) 18 8 11 .3 What is a PKI? 18 9 11 .4 PKI and Other Security Methods 19 0 11 .4 .1 Username/Password 19 0 11 .4.2 Biometrics...
Ngày tải lên: 09/08/2014, 19:22
Wireless data technologies reference handbook phần 10 pps
... multiframes 47 5 52-multiframe 47 8 802 .11 81 802 .11 a 81 802 .11 b 81 802 .15 10 2 802 .16 15 8 802.3 81 A access grant channel (AGCH) 43 AiroPeek 14 1 AirSnort 14 2 AJ Anti-Jam 9 ALOHANET 5 AMPS Advanced ... INDEX WEP 19 5 Wired Equivalent Privacy 3 WEPcrack 14 2 WinDump 14 1 W-INFOSEC 18 7, 18 8, 19 0, 19 2, 19 4, 19 6, 19 8, 200, 202, 204 Wired Equivalent Privacy, see...
Ngày tải lên: 09/08/2014, 19:21
Wireless data technologies reference handbook phần 1 potx
... 10 8 5.2 .1 Test Sequences 10 8 5.2.2 Subjective Experiments 10 9 5.2.3 Prediction Performance 11 1 5.2.4 Discussion 11 5 5.3 Component Analysis 11 7 5.3 .1 Dissecting the PDM 11 7 5.3.2 Color Space 11 8 5.3.3 ... Sequences 12 7 6 .1. 3 Subjective Experiments 12 8 6 .1. 4 Prediction Performance 12 9 6.2 Object Segmentation 12 9 6.2 .1 Test Sequences 13 1 6.2.2 Prediction Perfo...
Ngày tải lên: 09/08/2014, 19:21
Wireless data technologies reference handbook phần 5 pps
... equation (4 .11 ). The PLog wavelet is defined as follows: ð ~ xxÞ¼ 1 ~ ~ xx ffiffiffi p ; ð4 :15 Þ where ~ ðx; yÞ¼ ð 1 2 1 ð 1 ! @ 2 @x 2 þ @ 2 @y 2 e À x 2 þy 2 2 : ð4 :16 Þ The ... correlation better –2 0 2 4 6 0.5 0.6 0.7 0.8 0.9 1 1 .1 1.2 1. 3 1. 4 Offset Slope (a) Correlations (b) Linear regresssion parameters Figure 3 .11 Inter-lab DMOS correlations (a)...
Ngày tải lên: 09/08/2014, 19:21
Wireless data technologies reference handbook phần 9 ppsx
... Image Processing, vol. 515 0, pp. 16 01 16 11, Lugano, Switzerland. Hubel, D. H. (19 95). Eye, Brain, and Vision, Scientific American Library. Hubel, D. H., Wiesel, T. N. (19 59). Receptive fields of ... UK. Alpert, T. (19 96). The influence of the home viewing environment on the measurement of quality of service of digital TV broadcasting. In MOSAIC Handbook, pp. 15 9 16 3. ANSI T1.8 01. 01...
Ngày tải lên: 09/08/2014, 19:21
Wireless data technologies reference handbook phần 3 pptx
... QUALITY 10 2 10 1 10 0 10 1 10 1 10 1 10 0 10 1 10 1 10 0 10 1 10 0 10 1 10 1 10 0 10 1 10 –2 Spatial frequency [cpd] Temporal frequency [Hz] (a) Achromatic CSF (b) Chromatic CSF Contrast sensitivity 10 2 10 1 10 0 10 1 10 –2 Contrast ... band-pass mechanisms have been discovered (Foster et al., 19 85), 10 0 10 1 10 2 10 –2 10 1 10 0 Temporal...
Ngày tải lên: 09/08/2014, 19:21
Wireless data technologies reference handbook phần 4 potx
... weighting Zhang and Wandell (19 96) IQ Opp. L 1= 3 Fourier F E Spatial CIELAB extension Tong et al. (19 99) VQ Opp. L 1= 3 Fourier F L 1 R Spatio-temporal CIELAB extension Daly (19 93) IQ Lum. yes mod. ... Lum. L 0:33 F L 2 R Faugeras (19 79) IQ, IC AC 1 C 2 log L F L 2 E Lukas and Budrikis (19 82) VQ Lum. yes F C L p R Girod (19 89) VQ Lum. yes F C L 2 , L / Integral spatio-temporal mo...
Ngày tải lên: 09/08/2014, 19:21
Wireless data technologies reference handbook phần 6 ppt
... Filter weights Level 0 1 2 3 4 W-B, LP 5.0 19 .2 13 9.5 478.6 496.5 W-B, BP 11 2.8 14 1.0 17 9.4 205.7 12 0.0 R-G, LP 15 4.2 354.0 404.0 18 4.6 27.0 B-Y, LP 12 5.6 332.7 3 81. 4 13 1.5 28.6 PERCEPTUAL DISTORTION ... parameters bk pq W-B 6.968 0.29778 2 .11 58 2 R-G 21. 904 0 .11 379 2.3447 2 B-Y 13 .035 0.07 712 2.2788 2 98 MODELS AND METRICS 10 1 10 0 10 1 –45 –40 –35 –30...
Ngày tải lên: 09/08/2014, 19:21
Wireless data technologies reference handbook phần 7 pdf
... images, Figure 5 .1 Original test image and two examples of distorted versions. Table 5 .1 Coding noise components and signs for all 20 test conditions 12 345678 910 111 213 1 415 1 617 1 819 20 Y þ þ þ þþþ ... Mb/s 11 MPEG-2 3 Mb/s Transmission errors 12 MPEG-2 4.5 Mb/s Transmission errors 13 MPEG-2 2 Mb/s 3/4 resolution 14 MPEG-2 2 Mb/s 3/4 horizontal resolution 15 H.263 768 kb/s 1...
Ngày tải lên: 09/08/2014, 19:21
Wireless data technologies reference handbook phần 8 ppt
... 9 Condition DMOS 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 0 10 20 30 40 50 60 70 80 Condition 1 Condition ... 12 7 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5...
Ngày tải lên: 09/08/2014, 19:21