linovision intelligent ipc key features introduction
DESCRIPTION
it lists the intelligent features by Linovision's latest Ultra Smart IP cameras.TRANSCRIPT
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WDR DNR BLC
Defog Corridor mode Smart IR
ROI EIS SVC
Tripwire detection Intrusion detection Abandoned
Missing Scene change Defocus detection
Face detection Audio detection IP66/IP67
ICR Multi-streaming ONVIF
AWB AGC
Table of contents
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WDR (Wide Dynamic Range)
WDR is intended to provide clear images even under backlighting, A camera placed on the inside
of the room will be able to see through the intense sunlight or artificial light coming in. If an
indoor security camera is pointed towards a window or an entrance door, you will not be able to
see the subject in side because the background is to bright. This is a common occurrence in
restaurants and stores with large glass windows.
WDR off WDR on
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DNR (Digital Noise Reduction)
Image noise is interference in the video signal that shows up as grainy specks. It can be
caused by low lighting situations, a nearby power interference, heat, or device algorithms.
DNR is a technique of removing image noise from a video signal by applying a digital comb
filter. It makes images clearer and reduces video file size.
A 2D filter reduces the noise that can be found in low light images. This type of filter is
sometimes confused by motion, resulting in blur trails.
A 3D filter goes one step farther and effectively reduces the noise in static images and
images with movement.
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BLC (Back Light Compensation)
In images where a bright light source is behind the subject of interest, the subject would
normally appear in silhouette. BLC allows the camera to adjust the exposure of the entire image
to properly expose the subject in the foreground. WDR is a more effective alternative to BLC
because it handles multiple exposure zones to give both the highlight and low light areas a
proper exposure.
BLC off BLC on
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Defog
Defog off Defog on
Defog is the new technology to make the image clear in a foggy environment with the newest
image processing techniques ,by using the new algorithmic ,it can greatly enhance the
contrast of the image and make it as normal day’s
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Corridor mode
expand the view in vertical direction instead of horizontal direction
Support 9:16 image ratio , suit for corridor monitoring and some tunnel environment
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Smart IR
In some case of misjudging the length of IR range and subjects, IR cameras lead to
frequently over-exposed subjects. That’s why smart IR is there to solve this type of issue by
adjusting automatically IR light and based on subject’s distance, resulting in a clear image
that is not washed out or too dark.
Smart IR off Smart IR on
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ROI (Region of interest)
ROI off ROI on
In some cases, not the whole region of the picture is important , by using the ROI technology
you are able to choose a region that is more important ,and the camera will make that region
more clear even in the low bitrate . It saves the storage usage without sacrifice the resolution
of the important part of the video
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EIS (Electrical Image Stabilizer)
Electrical image stabilization (EIS) compares video data from recorded images to detect
shaking camera movement, most often from wind ,The camera creates a pixel buffer by
recording extra pixels outside of the visible frame. When the camera vibrates or shakes, the
camera shifts the visible frame to reduce the jarring effect on the video image
EIS off EIS on
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SVC (Scalable Video Coding)
Co-working with NVR support SVC decode, the stream or record can be further compressed by
dropping frame, saving 75% storage usage and reduce 75% transport pressure at most.
Benefits: • Better network compatibility, protect the data from losing in a bad network
• NVR can replay in a low bitrate, saving the resource of network
• To a SVC stream, get a 30fps stream for preview while get a 15fps stream for record.
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Tripwire detection
Alarm status Normal status
By drawing a line in the screen, anything that cross the virtual line you have drawn will trigger
the alarm, and capture a picture ,it is suitable for the road or some important entrance
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Intrusion detection
Alarm status Normal status
By drawing a closed region in the screen, anything that break into that region you have drawn
will trigger the alarm, and capture a picture ,it is suitable for the road , some important entrance
or bus station ,train station , etc
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Abandoned
Abandoned object detection
By drawing a closed region in the screen, anything that abandoned in that region will
trigger the alarm, and capture a picture ,it is suitable for the road , some important entrance
or bus station ,train station , etc
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Missing
Missing object detection
By drawing a closed region in the screen, anything that missing from the region will trigger
the alarm, and capture a picture ,it is suitable for the road , some important entrance or bus
station ,train station , etc
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Scene change
Scene 1 Scene 2
When the scene is changed (it happens when the camera is removed or covered by
something else ) then the alarm will be triggered and the picture will be capatured
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Defocus detection
Defocus detection
When the lens is not focus on the subject , as showed in scene 1 ,then the camera will
auto adjust the lens to focus on it ,showed in scene 2
Scene 1 Scene 2
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Face detection
Face detection
The camera will auto recognize the human face appeared in the scene
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Audio detection
• Input abnormal detect • Audio intensity change detect
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IP66/IP67
In most cases, the Ingress Protection Rating consists of the letters IP followed by
two digits.
I P [Solid Particle Protection] [Liquid Ingress Protection]
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IP66/IP67
I P [Solid Particle Protection] [Liquid Ingress Protection]
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ICR (Infrared Cut filter Removal)
The IR cut filter is on when the camera is operating as a color camera for precise
color reproduction. With ICR, the filter is removed which allows for much greater
light sensitivity in monochrome mode.
Day / ICR OFF Night / ICR ON
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Multi-streaming
Multi-streaming means that your device outputs two or more types of video
streams, with different properties, to different users or devices. It allows a user to
get video in a different resolution, frame rate, or compression type to meet
requirements of quality, storage constraints, bandwidth, or CPU usage.
The property differences could be
• Compression type (such as H.264 and MPEG-4)
• Resolution (to reduce bandwidth needs)
• Frame rate (to supply appropriate-sized video to devices like smart phones without
reducing resolution)
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ONVIF (Open Standard Compliance)
ONVIF is an open industry forum for the development of a global standard for the interface
of IP-based physical security products. The ONVIF specification will ensure
interoperability between products regardless of manufacturer.
linovision's IP cameras are fully compliant with the ONVIF standard, ensuring
compatibility with software and hardware from over 200 companies like Sony, Panasonic,
Samsung, and Cisco.
• Increased flexibility and greater freedom of choice. The standard enables end users to select interoperable products from a variety of
different brands that comply with the ONVIF standard
• Future-proof systems and more secure investments. The standard will ensure that interoperable products are available from a large
variety of vendors, no matter how the market develops
• Reduced total cost of ownership. Interoperable products result in less integration costs, and enable end-users to
choose the most suitable combination of IP-based physical security products for
their specific needs, regardless of
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AWB (Automatic White Balance)
Color temperature is directly related to environment and it influences on the color of image. AWB
automatically adjusts the white balance in response to varying light conditions to reproduce
accurate color without any color-cast caused by different lighting source (ex. Incandescent,
fluorescent and quartz light).
Without AWB With AWB
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AGC (Automatic Gain Control)
It’s a form of amplification where the camera will automatically boost the image received in
much lower light conditions than standard in order to optimize the clarity of image in poor lit
scene.
Without AGC With AGC