voice and video conferencing fundamentals pdf
Tài liệu Voice and Video Conferencing Fundamentals pdf
Ngày tải lên :
23/12/2013, 04:17
... of conferencing and collaboration systems has become
more complex.
Voice and Video Conferencing Fundamentals
provides a comprehensive view of
audio and video conferencing concepts, and ... Title: Voice and videoconferencing
fundamentals.
HF5734.7.F57 2007
006.7 dc20
2007003879
Warning and Disclaimer
This book is designed to provide information about voice and video conferencing. ... topics:
■
Conference types
■
Voice and video conferencing
components
■
Voice conferencing modes
■
Types of endpoints
■
Video controls: far-end camera control
■
Text overlay
Components of a Conferencing System...
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Tài liệu Voice and Video Enabled IPSec VPN (V3PN) Solution Reference Network Design docx
Ngày tải lên :
24/01/2014, 10:20
... between Cisco and any other company. (0612R)
Voice and Video Enabled IPSec VPN (V
3
PN) Solution Reference Network Deisgn
â 2007 Cisco Systems, Inc. All rights reserved.
4-10
Voice and Video Enabled ... DifferentiationV
3
PN provides the ability to encrypt voice and video, which is a new
security feature that can be offered relative to traditional TDM networks.
xi
Voice and Video Enabled IPSec VPN (V
3
PN) SRND
956529
V3PN ... would be required to cause audible errors.
Contents
viii
Voice and Video Enabled IPSec VPN (V
3
PN) SRND
956529
x
Voice and Video Enabled IPSec VPN (V
3
PN) SRND
956529
V3PN Solution Reference...
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iPhone Photography and Video For Dummies pdf
Ngày tải lên :
06/03/2014, 23:20
... .65
Capturing Video 65
Editing Video on the iPhone 67
Sharing Your iPhone Videos 70
Sharing video via e-mail 70
Sharing video via MMS 72
Sharing video on MobileMe 73
Sharing video on YouTube 74
Editing Video ... things up a notch and look at
using the iPhone camera to take video. I cover the
basics of capturing video, editing video on the
iPhone itself, and sharing your videos with friends
and family.
04_643648-pp01.indd ... you’re right-handed, you’ll probably hold the iPhone in your left hand.
If you’re left-handed, you’ll hold the iPhone in your right hand.
3. Bring your free hand up, and let it wrap over and around...
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Báo cáo hóa học: " Voice and Video Telephony Services in Smartphone Valeria Loscri’, Mauro Tropea, and Salvatore Marano" docx
Ngày tải lên :
22/06/2014, 22:20
... obtained, such as video conferencing
for personal and business use,” “multimedia entertainment
services,” telemedical services, Surveillance, live video broad-
casting and Video- on-demand (movies, ... generated.
Audio and video dimension frames were extracted from this
file and they were used as input of the serial channel in our
simulator.
Audio and video data traffic were evaluated together in
terms of bandwidth ... Ali, S. Pier re, and Y. Lemieux, “UMTS-to-IP QoS map-
ping for voice and video telephony services,” IEEE Network,
vol. 19, no. 2, pp. 26–32, 2005.
[2] I. Maniatis, G. Nikolouzou, and S. Venieris,...
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Tài liệu 53 Image and Video Restoration pdf
Ngày tải lên :
27/01/2014, 03:20
... the blur operator and D stands for the
random component. Random component may represent inherent random fluctuations in the PSF,
for instance due to atmospheric turbulence or random relative motion, ... imaging, and computer vision, the literature that is related to image restoration is abundant. A
concisediscussion of early results can befound inthebooks by Andrewsand Hunt[1] andGonzalez
and Woods ... book by Katsaggelos [3], and re-
view papers byMeinel[4], Demoment [5], Sezan and Tekalp[6], andKaufmanand Tekalp[7]. Most
recently, printinghigh-quality still images from video sources has become...
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Tài liệu Proofs and Concepts the fundamentals of abstract mathematics pdf
Ngày tải lên :
21/02/2014, 09:20
... assertions A and B,
A&B is true if and only if both A and B are true.
We can summarize this in the truth table for and :
A B A&B
T T T
T F F
F T F
F F F
The connective and is commutative ... is true, and R is false.
(d) P , Q, and R are all false.
3)
(U & ơV ) (V & ơW ) (W & ơU)
ơ(U & V & W)
(a) U, V , and W are all true.
(b) U is true, V is true, and W is ... summarizes them, and they are
explained below.
symbol nickname what it means
ơ not It is not the case that ”
& and “Both and ”
∨ or “Either or ”
⇒ implies “If then ”
⇔ iff “ if and only if ”
As...
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Báo cáo hóa học: " Research Article Three Novell Analog-Domain Algorithms for Motion Detection in Video Surveillance Arnaud Verdant,1 Patrick Villard,1 Antoine Dupret,2 and Herv´ Mathias3 e" pdf
Ngày tải lên :
21/06/2014, 07:20
... on
Performance Analysis of Video Surveillance and Tracking (PETS
’05), January 2005.
[7]M.F.Abdelkader,R.Chellappa,Q.Zheng,andA.L.Chan,
“Integrated motion detection and tracking for visual surveil-
lance,” ... Journal on Image and Video Processing
(a)
(b)
(c)
Figure 10: (a) Original image, (b) Motion detection with ΣΔ,
and( c) Motion detection with SBA.
value for the considered block, and k · δ
n
a local ... than the ones
used in ΣΔ and even SBA.
This algorithm relies on a background estimation for
each pixel signal from which we estimate the signal standard
deviation. This standard deviation is then...
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Radio Frequency Identification Fundamentals and Applications, Design Methods and Solutions Part 5 pdf
Ngày tải lên :
21/06/2014, 14:20
... impedance, one
meandered section was further meandered and a loading bar is added to obtain additional
inductance. This antenna can be easily tuned by trimming. Lengths of meander trace and
loading ... Inverted-F Antenna.
Radio Frequency Identification Fundamentals and Applications, Design Methods and Solutions
98
example, trimming the meander trace by Δx=5mm moves the resonant frequency ...
Fig. 6. Meandered line antenna
Fig. 7. Impedance of the loaded meander tag antenna (R
a
,X
a
) as a function of meander trace
length trimming Δx
Fig. 8. Gain of the loaded meander tag...
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Radio Frequency Identification Fundamentals and Applications, Design Methods and Solutions Part 6 pdf
Ngày tải lên :
21/06/2014, 14:20
... Bavg
⎛⎞
⎜⎟
=
⎜⎟
⎜⎟
++
⎝⎠
Radio Frequency Identification Fundamentals and Applications, Design Methods and Solutions
120
Fig. 11. The Reader, OCA and Tag equivalent scheme.
Fig. 12. The equivalent ... us to study and
determine the OCA and reader antennas (figure 12).
reader
OCA
L
n
L
= (18)
V
2.8f F
6.6pF
Z
RC
C
1
C
2
Z
OCA
Radio Frequency Identification Fundamentals and Applications, ... =
∗∗
V2
V1
Radio Frequency Identification Fundamentals and Applications, Design Methods and Solutions
140
Nodes satisfy
2
40
τ
−
∗Δ> and spirals satisfy
2
40
τ
−
∗Δ< . The parabola...
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báo cáo hóa học:" Towards ubiquitous video services through scalable video coding and cross-layer optimization" pdf
Ngày tải lên :
21/06/2014, 17:20
... high,
medium, and low, and a video scheduler, which selects video packets from the queues
accordingly for transmission.
The prioritized video packet handling is accomplished by placing the incoming video
packets ... anytime and anywhere.
In the case of video streaming, the inability of wireless networks to guarantee the required
bandwidth and QoS for the services has boosted the development of novel video ... (σ) 4 dB
E
s
/N
0
(1 m distance from BS) 60 dB
Video parameters
Video encoding SVC video, BL + 2 quality enhancements
GOP length and structure 8 and IPPP. . .
Resolution CIF (352 ì 288)
Frame...
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báo cáo hóa học:" Research Article Automatic Speech Recognition Systems for the Evaluation of Voice and Speech Disorders in Head and Neck Cancer" pdf
Ngày tải lên :
21/06/2014, 20:20
... former clinical standard
procedure. According to common recommendations for
diagnostics of voice and speech disorders [5], the voice and
speech function can now be objectified and quantified. The
new ... impairment by endoscopic and imaging
methods and the standardized perceptual evaluation of the
individual handicap. ASR will enable precise evaluations of
speech and voice as a precondition for ... profes-
sional and private use as dictating machines, in call centres
when a restricted vocabulary, and “normal” voice quality
and speech without background noise can be expected, and
in the support of handicapped...
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Báo cáo hóa học: " Editorial Color in Image and Video Processing" pdf
Ngày tải lên :
22/06/2014, 00:20
... deficiency
degree of the standardized CVD description in the paper
entitled “Quantification and standardized description of
color vision deficiency caused by anomalous trichromats—
part II: modeling and color compensation.” ... on Image and Video Processing, for giving them the
opportunity to edit this special issue.
Alain T r
´
emeau
Shoji Tominaga
Konstantinos N. Plataniotis
2 EURASIP Journal on Image and Video Processing
design ... optimization and projection
in different frequency bands. A filter bank is utilized in
order to decompose the initially interpolated image into low-
frequency and high-frequency bands. In the low-frequency
band,...
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Báo cáo hóa học: " Research Article Real-Time Transmission and Storage of Video, Audio, and Health Data in Emergency and Home Care Situations" pdf
Ngày tải lên :
22/06/2014, 19:20
... using both
Bluetooth and RS232 serial ports. In order to allow real-
time interaction and coordination among users, caregivers
and medical staff, b oth audio and video transmission and
recording require ... Transmission and Storage of Video, Audio, and
Health Data in Emergency and Home Care Situations
Ivano Barbieri, Paolo Lambruschini, Marco Raggio, and Riccardo Stagnaro
Department of Biophysical and Electronic ... availability of bandw idth for wireless links, network integration, and the computational power on fixed and
mobile platforms at affordable costs allows nowadays for the handling of audio and video data,...
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Multimedia Image and Video Processing pdf
Ngày tải lên :
28/06/2014, 22:20
... mining of objects and events from community
photo collections. ACM Conference on Image and Video Retrieval, pp. 47–56, 2008.
75. A. Rakotomamonjy, F. Bach,S. Canu, andY. Grandvalet. SimpleMKL.Journal ... triangle, and
Epanechnikov kernels. (a) Box, (b) triangle, and (c) Epanechnikov. 34
2.6 Example image and its corresponding histogram with mean and variance
indicated. (a) g(x, y). (b) PDF p
G
(g) ... integer-pixel candidates. The light-gray circles are the half-pixel
candidates. The dark-gray circles are the quarter-pixel candidates. The circles
labeled “1” and “2” are the candidates refined...
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