DIGITAL CCTV A Security Professional’s Guide phần 1 pptx
DIGITAL CCTV A Security Professional’s Guide phần 1 pptx
... Transmission 11 1
8 Wireless Video Transmission 12 9
9 Examples of Digital Video for Security 14 7
10 Pieces and Parts 16 3
11 Integrating Digital Video with Other Technologies 17 9
12 More Digital ... compression and transmission of
video, audio, and data.
xiv Introduction
We Live in an Analog World 11
GAMMA
Gamma is basically explained as the relationship between the
b...
DIGITAL CCTV A Security Professional’s Guide phần 4 pptx
... on a wavelet-based device from another
manufacturer.
11 4 Digital CCTV
a plastic jacket. See Figure 7 -1. It is used to transmit both analog
and digital signals and has superior frequency characteristics ... what they all mean.
This brings us around to the question “How digital is it?” It
is possible to have analog cameras and monitors, use coaxial cable,
and have a DVR, an...
DIGITAL CCTV A Security Professional’s Guide phần 3 docx
... A through H:
A = 0, C = 10 10, E = 11 00, G = 11 10, B = 10 0,
D = 10 11, F = 11 01, H = 11 11.
Using this code, the same message as above is encoded as
follows:
10 0 010 10 010 110 110 0 011 010 10 010 000 011 10 011 11.
This ... 11 11 111 1 11 11 111 1 11 11 111 1 11 11
11 11 111 1 00 01 0000 00 01
Compressed: 0 × 3, 1, 0 × 4, 1 × 40, 0 × 3, 1, 0 × 7, 1
Thi...
DIGITAL CCTV A Security Professional’s Guide phần 5 docx
... twisted-pair wire)
●
10 0BASE-FX (a two-strand optical fi ber cable)
There is a vast scope of applications, and the various methods are
mutating and evolving at a rapid pace.
13 2 Digital CCTV
around ... increase the amount
of data that can be transferred over analog cellular systems. TDMA
is also the access technique used in the European digital standard
(GSM) and the Japane...
DIGITAL CCTV A Security Professional’s Guide phần 6 pdf
... video data captured.
A networked digital video management system is a perfect
example of how to add camera “eyes” to an airport, or any facility,
and automate the alarm triggers on the data captured ... footage from inside and outside, store operational data, and
generally improve the quality and safety of public transportation.
The Santa Clara Valley Transportation Authority (VTA) o...
DIGITAL CCTV A Security Professional’s Guide phần 7 doc
... the alarm location, assess the information, and
take appropriate actions to alleviate the situation. Unnecessary
calls to law enforcement are virtually eliminated. Another distinct
advantage ... false
alarm dilemma. False alarm fi nes can range from $20 to $250 or
more. If false alarm fi nes are affecting a company’s profi tability,
remote video alarm verifi cation can help dramatically r...
DIGITAL CCTV A Security Professional’s Guide phần 8 doc
... 11 9
PSTN, 11 7, 11 9
selection factors, 11 8
SW56, 12 3
T1, 12 3 12 4
T3, 12 4
wireless
broadband, 13 5 14 1
cellular, 13 2 13 5
Global Positioning System,
14 2 14 3
infrared, 13 1 13 2
microwave, 13 2
More Digital ... 12 4 12 5
connection types, 11 7 11 8
DSL, 12 1 12 3
Ethernet, 12 5 12 6
fast Ethernet, 12 6 12 7
frame relay, 12 6
ISDN, 11 9 12 0
media, see Coaxial cab...
DIGITAL CCTV A Security Professional’s Guide docx
... confusing at fi rst, but once
you catch on it is really very simple. 256 values ranging from 0 to
255 are shown here:
0 = 00000000 1 = 000000 01 2 = 00000 010
254 = 11 111 110 255 = 11 111 111
As previously ... Security 14 7
10 Pieces and Parts 16 3
11 Integrating Digital Video with Other Technologies 17 9
12 More Digital Video Applications 18 9
13 From VTRs to VCRs, DVR...
Brushes iPhone and iPod touchUser’s Guide phần 1 pptx
... several sample paintings are installed automatically.
Import an album
photo as a
background.
Create a new
painting.
Show the
info panel.
Share your
gallery with your
computer.
Tap a painting ... 6
Painting 8
Undo and Redo 9
Zooming and Panning 9
Shortcuts 10
Brush Settings 11
Erasing 12
Paint Color 13
Eyedropper 15
Blending 17
Layers 19
Working with Layers 20
Copying...
trojans worms and spyware a computer security professional's guide to malicious code (2005)
... modem may actu-
ally be placing a call to as far away as Chad, Madagascar, or other countries, and
the computer user may be billed for an international call.
Some Web sites may be advertised as ... types of impact that a malicious
code attack has on an organization. But understanding the costs associated with
malicious code attacks and the impact that attacks can have on their organiza-...