(Color)
VCC-W8775P
(
Day & Night)
VCC-WD8875P
COLOR
Advanced Wide Dynamic Range Camera
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Enhanced surveillance that compares
favorably to the human eye.
with greater clarity, the SANYO
“Advanced WDR” Surveillance Camera
achieves significantly greater dynamic
range utilizing SANYO’s own innovative
technologies. By adopting a radically
new linear output method, SANYO has
created a security-optimized camera
delivering superb performance under
varying light conditions and one which
utilizes a new “retina-morphic processing
algorithm” for capabilities approaching
the human retina. Surveillance now
reaches a higher level of performance
than thought possible.
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Advanced WDR Image Processing System
High Gain
Signal
SANYO Advanced Image Processing Engine
New CMOS
Sensor
Low Gain
Signal
Pixel-by-Pixel
Real-Time Dynamic
RGB Interpolation
Processing
High Resolution
Processing
Optimum Processing Range Correction
A/D Convertor
New CMOS Sensor Delivers
the Widest Dynamic Range Yet
SANYO Advanced
Image Processing Engine
The newly-developed “SANYO Advanced Image Processing
Engine” uses a unique algorithm to individually process each
pixel so that the image data possesses the widest possible
dynamic range to approximate the human retina as much as
possible. The end result produces images with rich and
smooth gradations that were not possible previously.
New Structure of CMOS Sensor
Structure of
WDR CMOS Sensor
Conventional CCD
Incident light
Incident light
Electrons
Photodiode
Electrons
Super Dynamic Range of 65dB
Leaked
electrons
SANYO’s Advanced WDR camera has achieved super dynamic
range of 65dB in the industry top class by combining with the
new WDR CMOS sensor and SANYO’s Advanced Image
Processing Engine. (Advanced WDR Image Processing System)
Photodiode
550 TV Lines of Horizontal Resolution
Ensure High-Definition Images
The camera is equipped with a new 1/3-inch CMOS sensor and
newly developed SANYO Advanced Image Processing Engine
to provide maximum information density. The result is a
480,000 pixels resolution with images having the industry’s
top-ranking level 550 TV lines of horizontal resolution.
Capacitor
Leaked electrons
Leaked electrons that leak out
from the photodiode are left
as is, reducing the dynamic
range.
The built-in capacitor collects
the electrons that leak out,
boosting the signal per unit
area to generate an image
with a wider dynamic range.
CMOS Sensor of Super Dynamic Range
Conventional CCD drawbacks included electrons that
overloaded when receiving too many electrons and allowed
signals to leak. This in turn reduced the device’s dynamic
range. The newly developed CMOS sensor is engineered to
handle leaked electrons and can transmit virtually complete
receiving image information to image signals, effectively
reproducing images having a wider dynamic range for clearer
images that reveal more. The new CMOS sensor features an
extremely wide dynamic range that far surpasses
conventional cameras.
550 TV lines
480 TV lines
Conventional
high-resolution camera
“Retina-Morphic Processing Algorithm”
The newly developed “SANYO Advanced Image Processing
Engine” utilizes a “retina-morphic processing algorithm” for
effective real-time dynamic range correction. Processing is
with an algorithm developed after extensive research into the
human optic system including eyes, the optic nerve and brain.
Utilizing a model of the human retina’s dynamic range
adjustment ability, this algorithm provides revolutionary
corrective effects that set a new reference standard. Every pixel
has its luminance dynamically changed in reference to areas
inside the frame. Images can therefore be realistically repro-
duced even when luminance varies dramatically. Color
reproduction under backlit conditions is optimized.
Progressive Scan System
In a conventional CCD, an image is produced by using
high-intensity and low-intensity signals to obtain dynamic
range, and this generates time lag. A progressive scan system
eliminates image composition processing, preventing time
lag from being generated and delivering a high-quality clear
image without misaligned contours from the composition
process even if capturing a quick-moving subject.
Conventional Camera
SANYO Advanced WDR Camera
Conventional Camera
SANYO Advanced WDR Camera
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New and Advanced Linear Output Method
Digital Noise Reduction
SANYO devised a new exposure method for increasing
visibility under varying conditions of light, weather and time.
The progressive exposure technology simultaneously outputs
image signals in low illumination areas and image signals in
high illuminance areas with no lag. Subjects are accurately
reproduced with natural gradation including subjects as well
as images with an incorrect white balance background that
previously could not be conventionally reproduced. This new
technology captures quick motions with great stability and
reproduces contours clearer and richer than before—an
advantage that conventional time lag exposure composition
methods could not expect.
A new digital noise reduction function minimizes S/N ratio
penalties conventionally incurred when processing dark
areas, improves the S/N ratio in low illumination conditions
and achieves images virtually free of noise.
Digital Noise Reduction Off
Digital Noise Reduction On
Smearless
Conventional CCD cameras can often generate vertical noise
(smears) associated with bright spots. The new CMOS
sensor eliminates smeared images.
Conventional
Camera
SANYO Advanced WDR Camera
Incorporates Premium Bayer Mosaic
RGB Filter
The “Advanced WDR” camera also makes use of the
acclaimed Bayer Mosaic RGB filter which extracts light’s
three primary colors (red, green and blue) from the CMOS
sensor to deliver highly realistic and vivid colors that allow
extremely accurate color reproduction.
Conventional Camera
SANYO Advanced WDR Camera
(VCC-WD8874)
Day & Night Function
The camera is able to evaluate screen brightness, turning
the infrared cut filter ON or OFF automatically when needed.
A single camera is adequate for 24/7 monitoring. The camera
takes color images which are easy to monitor during daylight
hours and switches to sharp black-and-white images of high
sensitivity at night or during periods of low illumination.
Sophisticated Auto White Balancing
System
A new fully automatic tracing white balancing system makes
it possible to consistently achieve natural, lifelike colors that
reproduce subjects better.
Day (color image)
Night (black & white image)
Conventional
Camera
SANYO Advanced WDR Camera
Surveillance Images with Minimal Noise
and Outstanding Excellent Color even
for Dark Areas
High-Level, High-Performance Basic
Functions
Dual Power Source: 24V AC and 12-15V DC
Stylish new design
AGC function
Electronic shutter function
Electronic iris function
S/N ratio over 50dB
High Sensitivity, Minimum Illumination
of just 0.8 lux
With a sensor that measures just 1/3 of an inch, an immense
amount of light per unit area can be achieved while dark
areas are more effectively handled. A minimum illumination
of 0.8 lux (at F1.2) is all that is required for this sensor to
allow dimly lit subjects to be reproduced satisfactorily in
good color.
CS mount lenses
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