The Depa Platform - Intelligent Video Analytics; High-Quality Images - Sony SNC-DF85N Manual

FEATURES
The DEPA Platform –
Intelligent Video Analytics
The SNC-DF85, SNC-DF80, and SNC-DF50 cameras
offer intelligent video analytics, based on the Sony
DEPA™ platform. This comprises two elements:
intelligent built-in camera functions, such as
Intelligent Motion Detection (IMD) and Intelligent
Object Detection (IOD), and rules/fi lters that
determine what type of event should be
recorded.
When the network cameras perform IMD or IOD,
'tagged' objects and their associated metadata,
including object position data, are sent either to
the NSR Series recorder or the IMZ-RS400 Series
software. These products then use the metadata,
together with fi lters, to analyze object movement
and to perform a predefi ned action, such as
image recording or alarm triggering. This method
of distributed processing minimizes server
workload, network bandwidth, and storage
requirements.

High-quality Images

Wide Dynamic Range With
DynaView Technology
The SNC-DF85 and SNC-DF50 incorporate
DynaView technology, which dramatically improves
camera dynamic range by 128 times when
compared to conventional cameras. This results
in clear image reproduction, even in extreme
high-contrast environments. The cameras capture
the same image twice – fi rst with a normal shutter
speed, and then with a high shutter speed. The
dark areas captured at normal shutter speed and
the bright areas captured at high shutter speed
are then combined into one image using an
advanced DSP LSI. Additionally, as these
high-contrast scenes may have different lighting
conditions, two white balance circuits are
employed – one for normal shutter speed and the
other for high shutter speed. This advanced
technique reproduces high-contrast images with
proper color.
SuperExwave Technology
The SNC-DF80 incorporates an advanced
1/3-type CCD with SuperExwave technology that
achieves extremely high sensitivity levels. The
camera provides a minimum illumination of 0.6 lx
in color and 0.06 lx in B/W at F1.3, allowing it to
capture clear and detailed images even under
low light conditions.
The high-quality CCD imager, in combination with
the camera's state-of-the-art DSP technology,
produces a high horizontal resolution of 540 TV
lines via the analog composite video output,
which provides amazingly clear and detailed
images.
Distributed Enhanced Processing Architecture (DEPA)
Mini-dome
Camera
DynaView Technology
SNC-DF85 SNC-DF50
Normal Shutter Speed
SNC-DF80 SuperExwave Technology
SuperExwave image
Intelligent Motion Detection
Person1
Person2
Sends Object ID
and Position
Requests Relevant
Images
Sends Relevant
NSR Series/IMZ-RS400 Series
Images
Analyzes Object Movement
SNC-DF85/DF50 Camera Image
Conventional Camera image
Filter (Passing-Directional)
Person1
Person2
Alarm!
High Shutter Speed
(simulated images)
3