FAQ

USB3 Vision

Which sample program should I start with when I making program for acquisition image and camera setting with Sentech SDK first time?
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Please refer “Grab” or “GrabCallback” sample program for image acquisition.
These sample programs are acquring 100 images after connecting camera,
Grab is acquring images with roop process,
GrabCallback is acquring images with callback function.
Please refers “AutoFunction” sample program for camrea setting.

Please refer “GigEConfiguration” or “CameraSideROI” sample program for connecting and change camera settings for GigE Vision camera.
Please refers “SaveAndLoadImage” sample program for image data format conversion.
Please refer “SingleFilter” or “MultipleFilter” sample program for some image processing.

Is there any sample program of Sentech SDK that process edge enhancement (sharpness)?
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Please refers “SingleFilter” sample program for edge enhancement (sharpness) process.

Why the size of image data from color camera and size of image data from monochrome camera are same?
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The image data from Bayer CMOS image sensor color camera is before color conversion.
The size of image from color camera and monochrome camera is same.
It is possible to convert to color image data by using color conversion filter that is included in Sentech SDK.
Please refers “SaveAndLoadImage” sample program for how to use color conversion filter.

“mixed mode assembly is built against version v2.0.50727 of the runtime and cannot be loaded in the 4.0 runtime without additional configuration information” is occurred when build or used program that used with Sentech SDK (.NET) and .NET Framwork 4.0 or later.
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Sentech SDK (.NET) is .NET Framework2.0 based software package.
When Sentech SDK (.NET) using with .NET Framework 4.0 or later, it is necessary to replace automatically generated “app.config” file.
Please replace it by .NET Framework 4.0 supported “app.config” file that is included in sample programs of Sentech SDK (.NET).

Where can I find dll fils of Sentech SDK?
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The dll files of Sentech SDK is copied as below folder if installation folder did not change while Sentech SDK installation:
C:\Program Files\Common Files\OMRON_SENTECH

Only some part of image is displaying on StViewer.
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When starting StViewr, original image (x1 magnification image) is displaying and only some part of image is displaying with some camera.
It is necessary to use zoom function of StViewer to display whole image. Selects resize magnification to display whole image.

Selects resize magnification to display whole image with following procedure:
1. Right click on acquisition image then selects “Fixed Zoom” under “Zoom”.
2. “1/8”, “1/4” and “1/2” resize magnification are selectable.

What is different between types of camera parameter with Sentech SDK and StViewer?
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The following types of camera prameter are available:
IBoolean: True or False select parameter
IInteger: Integer value save parameter
IFloat: Float value save parameter
IEnumeration: Selection select parameter
IString: Character save parameter
ICommand: Command for camera execute parameter

The parameter control method is different based on type of camera parameter.
Please refers “AutoFunction” or “FeatureList” sample programs for parameter control method.
Please refers sample code that displaying at bottom part of “NodeMap” when selecting function on StViewer for camera parameters.

How can I resize acquisition image with StViewer?
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The image can resize with zoom function of StViewer.
Only displaying image resize with zoom function and save image is original none resize image.

The displaying image can be resized with following procedure:
1. Right click on acquisition image then selects “Fixed Zoom” under “Zoom”.
2. “1/8”, “1/4” and “1/2” resize magnification are selectable.

What is unit for shutter speed (exposure time) that change with StViewer?
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The unit for shutter speed (exposure time) is us (microsecond).

The greenish image is acquired with USB/GigE Vision camera.
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USB/GigE Vision cameras use Bayer CMOS image sensor.
The greenish image is acquired when selecting “OFF” at white balance or white balance settings are not appropriate.

Please adjusts white balance by following procedure:
The following is white balance adjustment procedure with StViewer (for USB3 Vision and GigE Vision)
1. Selects “Once” or “Continuous” at “Balance White Auto” under “AnalogControl” under “RemoteDevice” after stop image acquisition.
“Once”: White balance adjust automatically once
“Continuous”: White balance adjust continuously

The following is white balance adjustment procedure with StCamSWare (for USB3.0 and USB2.0)
1. Selects “Setting” under “Option” in menu of StCamSWare, then selects “Advanced” button on setting window.
2. Selects “WhiteBalance” Tab then selects one of “Manual”, “FullAuto” and “OneShot”.
“Manual”: White balance adjust manually
“FullAuto”: Whita balance adjust continuously
“OneShot”: White balance adjust automatically once

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