Omron FQ2-S/CH Series, Руководство пользователя

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Adjusting Image Quality FQ2-S/CH User’s Manual
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Improving the Image Quality of Metallic and other Shiny Surfaces
When objects with shiny surfaces are being measured, the lighting may be reflected off the surface and affect
the image.
To remove reflections, one of the following two functions can be used.
HDR Function
The HDR function is used for objects that have a large difference between light and dark areas. For this kind of
object, clear images cannot be achieved with the standard brightness setting.
The HDR function combines several images of different brightnesses (shutter speed) so that the resulting
image has a lower degree of contrast and can be measured stably for the desired characteristic.
Observe the following precautions.
Use the HDR function only for objects that are not moving to avoid image blurring.
Several images are taken with different shutter speeds and combined.
If the object moves while the image is being taken, the image will become blurred.
Images with different brightnesses are combined, so the resulting image will have a lower degree of contrast.
Function Description
HDR
(High Dynamic Range)
If objects have contrasting light and dark areas, the dynamic range can be
made wider to improve the quality of the images.
Polarizing filter
(for Sensors with Built-in Lighting)
Specular reflections can be eliminated from an image by attaching a
polarizing filter to the Sensor.
If the measurement object must be moving, use a polarizing filter.
Also, if reflections cannot be sufficiently removed by using the HDR
function, use a polarizing filter as well.
Inputting Images with a Limit Range of Brightness
Combining Images to Create an Image
with a Wide Dynamic Range
Dark
Bright