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STH-DCAM U

SER

’

ANUAL



2001 V

IDERE

ESIGN

9 Technical

Specifications

9.1 Geometry

Housing
Rigid milled Delrin frame

Baseline
9 cm, fixed

Imager size
1/4 inch diagonal

Lens type
12 mm miniature, interchangeable

9.2 Interface

Type
Digital 1394 [Firewire], OHCI compliant

Speed
Maximum 20 megapixels / second

Host interface
Any 1394 OHCI card

Host OS
Windows 98 / 2000 / XP, Linux

9.3 Imagers

Type
Sony Wfine HAD CCD

Format

Color, 8 bits / pixel, Bayer pattern

Scan mode
Progressive

Pixel size
5.6 um square

Sensitivity
1 lux

Exposure
Electronic, 292 us to frame time

Gain
18 dB

Resolution
640 H x 480 V

9.4 Frame formats and rates

Monochrome, 640x480 and 320x240

RGB Color, 640x480 and 320x240

30, 15, 7.5 Hz

RGB 640x480 at 15 and 7.5 Hz only

9.5 Physical

Power
2 watts

Ports
One IEEE 1394 port (power and signal)

One power jack (7-40 VDC, 2W)

Содержание STH-DCAM

Страница 1: ...STH DCAM USER S MANUAL 2001 VIDERE DESIGN STH DCAM Stereo Head User s Manual Updated Rev 2 2001 Videre Design 1...

Страница 2: ...1394 Interface 9 5 1 1394 Cable 9 5 2 1394 Host Interface 9 6 User Controls 10 6 1 Color 10 6 2 Video Digitization Parameters 10 6 3 Subsampling 11 6 4 Subwindowing 11 6 5 Frame Rates 11 7 Installing...

Страница 3: ...e characteristics They are fully controllable via the IEEE 1394 interface in both manual and automatic modes The user can set exposure gain binning etc or have the stereo head electronics do it automa...

Страница 4: ...apture program smallvcap exe on the host computer You should see a screen as in Figure 2 1 The message window should indicate that the STH DCAM interface is present If not go back to software installa...

Страница 5: ...and then read out line by line The imagers operate in progressive mode only that is each line is output in succession from the full frame The imagers are synchronized to a common clock so that the co...

Страница 6: ...x240 7 5 Hz 7 5 Hz Table 3 1 Supported frame rates for the STH DCAM 400 Mbps IEEE 1394 bus Left Imager Right Imager 1394 Interface Electronics Sync signals 8 bit pixels 12 MHz per imager 1394 Digital...

Страница 7: ...non abrasive optic cleaning tissue with a small amount of methyl alcohol or similar lens cleaning solvent and wipe the imager glass surface gently Dry with a similar tissue 4 3 Imager Size The imager...

Страница 8: ...ion in mm as a function of distance for several different lens focal lengths Figure 4 1 plots this relationship for several focal lengths At any distance the range resolution is inversely proportional...

Страница 9: ...e connection topology doesn t have any loops The STH DCAM is always a leaf of the bus At a maximum it will need about 60 of the bandwidth of a 400 MBps connection 5 2 1394 Host Interface The host comp...

Страница 10: ...top of its pixels the color information is sampled at a lower resolution than a similar non colorized camera samples monochrome information In general a color camera has about the spatial resolution o...

Страница 11: ...ptical performance 6 3 Subsampling In many applications it is not necessary to work with the the full 640x320 pixel array The CCD image processors are capable of reducing the amount of information con...

Страница 12: ...this manual 7 2 1 MS Windows Installation To install the software under MS Windows execute the file svscap22X exe The installation process will add the relevant interface and application software The...

Страница 13: ...e functions of the STH DCAM It is described in earlier sections of this document stcap is a simple application that connects to the stereo head and displays stereo images It can serve as a template fo...

Страница 14: ...STH DCAM USER S MANUAL 2001 VIDERE DESIGN 8 Interface Software API Please see the Small Vision System User s Manual for information about the software API for capturing and saving images 14...

Страница 15: ...face Any 1394 OHCI card Host OS Windows 98 2000 XP Linux 9 3 Imagers Type Sony Wfine HAD CCD Format Color 8 bits pixel Bayer pattern Scan mode Progressive Pixel size 5 6 um square Sensitivity 1 lux Ex...

Страница 16: ...STH DCAM USER S MANUAL 2001 VIDERE DESIGN Stereo module size 6 x 2 6 x 1 Weight with lenses 8 ounces 16...

Страница 17: ...chnical support please contact Videre Design by email or FAX Videre Design P O Box 585 Menlo Park CA 94026 0585 Fax 650 323 3646 Email mclaughl dnai com Technical information about stereo algorithms a...

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