Color AccuPiXEL
Color AccuPiXEL Series Cameras
Actual image taken with the TMC-1320
New Product Summary
• High-resolution, high-speed progressive scan
interline transfer CCD imagers
• Digital Camera Link, RS-644 (LVDS) output and analog
output
• Bayer color filter arrays
• Maximum dynamic range control with built-in look-up
table (Gamma, knee, user parameters)
• Full-frame integration, partial scan, two-row
binning
• Smaller, lightweight housing with high-rel connector
• Full-frame shutter up to 1/16,000 sec.
• Asynchronous reset, no-delay shutter, read-out-inhibit
control
• RS-232 or Camera Link external control
• Excellent color reproduction with various color interpo-
lation software
General Description
The PULNiX AccuPiXEL series color cameras are high-
resolution, high-speed progressive scan CCD cameras.
The interline transfer, progressive scan CCD permits full
vertical and horizontal resolution of images acquired at
very high shutter speeds. The electronic shutter, which
has speeds to 1/16,000 sec., can be reset asynchronously
by external pulse control. Uniform square pixels provide
superior image definition in any orientation. On-chip
micro lenses mean increased sensitivity.
Color Filter Array
PULNiX AccuPiXEL cameras use Bayer CFA (color
filter array) as their standard primary color filter. This
filter provides the most popular color interpolation
supported by numerous software suppliers.
The digital format, either Camera Link or RS-
644, allows the camera to output accurate pixel data,
including the color information. When the data is stored
in the frame buffer of a frame grabber or computer,
the color information is easily manipulated to restore
the original color images. Because the color filter
array contains only a single R, G or B color in each
pixel, the restored image has to fill in colors in the
missing pixel locations. The software uses neighboring
pixel information to “guess” the missing colors to
make smooth, clear images. This is called “Color
Interpolation.” Today’s high-speed computers allow
such color interpolation to be done almost in real time.
Because these cameras do not contain internal color-
processing circuitry, they are smaller and less expensive
than full-function color cameras.
Bayer Color Filter Array (CFA)
The Bayer CFA is an R, G, B primary color filter
array. This is the most widely accepted CFA for the
single-chip CCD progressive scan format. This type of
array layout has a specific order for each color’s pixels.
Since the human eye’s resolution and color recognition
are highest at green, the CFA contains two greens per
each red and blue.
It is critical for the frame grabber and color
interpolation to know where the individual color pixels
exist relative to sync (LDV and FDV) timing.
This requirement makes digital output the preferred
choice, because the timing relationships are very
accurate.
400 450 500 550 600 650 700 750 800 850 900 950 1000
Wavelength (nm)
0%
5%
10%
15%
20%
25%
Quantum Efficiency (%)
B
G
R
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