Figure 3 System Configurationof the Digital Video Camera System
P2-8-2
Table 1 The Details for Cameras
CCD Camera
Lens
CCD 1
CCB-GC5 (Sony, 510H X492V)
f=5.9—47.2mm
CCD 2
EVI-310 (Sony, 768H X 494V)
f=300mm
3 DIGITAL VIDEO CAMERA SYSTEM
The Digital Video Camera System also developed by the authors
consists of 5 parts; camera, recording, image processing,
control and display. Figure 2 shows the appearance and Figure 3
shows the system configuration. The remarkable features of
this system are as follows:
# Camera part
+ Progressive scan system is adopted. Table 2 shows the major
components for the camera part.
# Recording part
+ Original digital image data are directly recorded into 512
Mbyte memory.
+ 1440 frames are recorded in 24 seconds.
# Image processing part
+ Image processing, binarization and labeling are performed by
hardware.
+ 100 markers can be extracted automatically.
+ Original images, binary images and coordinates, size of
markers are then continuously recorded in 1Gbyte JAZ disk.
# Control part
+ Coordinates and size of markers can be read using the Excel.
# Display part
+ Locus for markers are displayed by the function.
- ■
TDU
Tofctft» 0*n»H Unlntlity
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Figure 2 Appearance of the Digital Video Camera System
Camera
Recording
Display
