Pulnix TMC-1000 Series Manual de usuario Pagina 11
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Camera Functions
AccuPiXEL color cameras perform all functions the
same way as B/W cameras. However, because of color
characteristics, the following issues are different:
1. Two-row binning scan
When two rows are mixed in the CCD, the Bayer
color is no longer valid. It provides color information but
cannot be interpolated as a Bayer CFA.
2. LUT (Look-up Table)
LUT is a powerful tool to adjust the dynamic
range as well as color dynamic range. Since human
color perception is non-linear, LUT selection can help
optimize color contrast by selecting the LUT value.
Gamma 0.45 is logarithmic and is closed to human
perception.
When LUT is selected, black-level adjustment must
be more accurate than for B/W cameras.
For a detailed timing chart, please refer to the
standard AccuPiXEL camera data sheet, or contact JAI
PULNiX.
Basic Mode Selections (For Non-CL Versions)*
Interpolation Software
Major frame grabber manufacturers with digital
capability (Camera Link, RS-644) provide color
interpolation software. Some independent image process
software suppliers provide software as well.
The following table lists a few examples.
Color Interpolation
The Bayer pattern color filter array (CFA) consists of
R, G, and B primary colors. Each pixel represents one of
three colors. In order to display or print color images,
the signal has to be converted to RGB output, which has
three independent channels (outputs) and sync signals.
Color interpolation software or firmware performs
the color preprocessing by filling the missing color pixels
with neighboring pixels. It then separates the stream of
data, (8-bit or 10-bit) into 3 (RGB) data (8-bit x 3) and
adds the color matrix to adjust and balance each of the
R,G, and B channels (white balance or color balance).
The image quality depends on the camera’s
own pixel data (including pixel data independency
from neighboring pixels, noise and color filter), and
interpolation of the software algorithm such as 3 x 3
interpolation, 2 x 2 interpolation, color matrix, white
balance capability, etc.
All AccuPiXEL color cameras are carefully designed
for maximum color performance. JAI PULNiX strongly
suggests that you use digital output for the best
performance.
Some software is used on board (FPGA or DSP) to
perform the interpolation. Other software simply uses
the host computer’s memory and CPU. The process
speed may vary depending on the architecture and speed
of the computer.
Mode Switch Up/Down Switch Functions
0 Switch Disabled Switch Disabled None
1 Set Gain Up / Down Change gain
2 Set Vtop (A/D) Up / Down Change A/D ref. top
3 Set Vbottom (A/D) Up / Down Change A/D ref bottom
4 Gain Selection #1 Up: 9dB, Down: 12dB Lower gain selection
5 Gain Selection #2 Up: 18dB, Down: 22dB Higher gain selection
6 Linear LUT Up Back to linear table
7 Knee Selection Up / Down (Scroll) Scroll 10 different LUTs
8 Async Reset Mode Up: Normal, Dwn: Async Async and normal shutter
9 Factory Default Recall Up / Down: Recall Factory setting
A Power up Setting Up: Recall, Dwn: Save Power up page setting
B User Page Storage#1 Up: Recall, Dwn: Save User page storage setting
C User Page Storage#2 Up: Recall, Dwn: Save User page storage setting
D Direct Shutter Control Up / Down Shutter speed increment
by 1H
E Scan Format2 Up: Optional, Dwn: Binning Two-row binning selection
F Scan Format1 Up: Normal, Dwn: Optional Custom option scanning
*These mode descriptions may change from camera model to camera model slightly.
The same functions are controlled by RS-232 or Camera Link software.
Manufacturer Frame Grabber Software
Matrox Meteor II Digi, CL MIL
Bitflow Road Runner CL Bay View
Coreco T64 Application software
Data Cube MaxRevolution Visual Chip Studio
Epix PIXCI Application software
Euresys GrabLink Easygrab
EasyColor
Matrix Vision MV-Titan/CL Impact
Silicon Software microEnable III microDisplay
Green
Green
Green Green
GreenRed
Red
Blue Blue
LVDS model rear panel.
Does not apply to TMC-4000
CAMERA LINK
POWER VIDEO
1
2
3
4
5
6
9
8
7
11
12
10
Camera Link model
rear panel
- AccuPiXEL Series 1
- Dynamic Range Control 2
- Scan Mode 2
- 3
- SPECIFICATIONS 4
- Graphical User Interface 4
- Serial Communication Kit 4
- Cameras 5
- 26 Position 6
- High Density 6
- Mini D Ribbon 6
- (MDR) Male Plug 6
- Camera Link Connector 7
- Color AccuPiXEL 9
- Starting Pixel Configuration 10
- Sync and Data 10
- Camera Functions 11
- Interpolation Software 11
- Color Interpolation 11
- Color AccuPiXEL Cameras 12
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