Ping
A TCP/IP tool used to test whether a particular host is reachable. Ping can
also be used for the self-test of Network Interface Card (NIC).
Q
QCIF
QCIF is the acronym of Quarter common intermediate format, which is one
of the common video signal standards. QCIF is one quarter of CIF, with the
resolution of 144 × 176 pixels.
Quad
Utilizing digital video, this piece of equipment displays signals from four
surveillance cameras on one monitor.
R
Real time video
Any picture having 24 or more frames per second appears continuous, or in
real time.
Remote monitoring
This function allows off-site user to have access to the monitor of
surveillance camera. The data can be transferred via the Internet or the
Ethernet.
RGB
RGB means Red Green Blue, which are the three primary colors of light. RGB
model combine the three colors in the various ways to deliver a broad range
of combinations of colors.
ROI
ROI is the abbreviation of Region of Interest. This feature derives from
JPEG2000 standard and allows users to define a specific region within an
image. The signal in this region will be coded and transmitted in a more
sophisticated way, presenting better image quality and less distortion than
other part of the image.
