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Disclosed is a method for encouraging acceptable illumination for using a tethered PC camera. Benefits include improved functionality.
English (United States)
This text was extracted from a Microsoft Word document.
At least one non-text object (such as an image or picture) has been suppressed.
100% of the total text.
Method for encouraging acceptable illumination for using a
tethered PC camera
Disclosed is a method for encouraging acceptable illumination
for using a tethered PC camera. Benefits include improved functionality.
method includes two components. The first part is an algorithm that monitors
the light level in the scene. If the light level falls below a preset or
perhaps user-defined level where there is insufficient light to maintain
acceptable image quality, the second component is activated. It includes a
dialog box (see Figure 2) that is displayed on-screen when the low-light
trigger level is reached.
when the level of light is low and image quality has degraded to an
unacceptable level, no intervention with the user is provided on cameras.
As PC camera
technology moves away from CCD sensors to CMOS sensors, light levels become
much more important. CMOS sensors inherently produce more noise in low light
than CCD sensors.