Plus applications user manual  2.9.0.d0fd355
Software library for tracked ultrasound image acquisition, calibration, and processing.
Any OpenCV compatible capture device

Supported hardware devices

Any compatible video device through the OpenCV capture interface.

Device configuration settings

  • attribute.png
    Type = "OpenCVVideo"
    required.png
  • attribute.png
    VideoURL Complete URL of the file or stream to capture. Either VideoURL or DeviceIndex must be specified.
    optional.png
    Default = " "
  • attribute.png
    DeviceIndex Index of the video device to use. Either VideoURL or DeviceIndex must be specified.
    optional.png
    Default = " "
  • attribute.png
    CaptureAPI The capture API to use for this device.
    optional.png
    Default = "CAP_ANY"
  • attribute.png
    FrameSize The 2 dimensional frame size to use for capturing (example: FrameSize="1920 1080")
    optional.png
    Default = " "
  • attribute.png
    AcquisitionRate The FPS to request of the camera
    optional.png
    Default = " "
  • attribute.png
    FourCC The four character code for pixel format (Example: "MJPG")
    optional.png
    Default = " "
  • attribute.png
    CameraMatrix A 9 valued entry specifying the 3x3 intrinsic camera matrix. Both CameraMatrix and DistortionCoefficients must be specified for undistortion to occur.
    optional.png
    Default = " "
  • attribute.png
    DistortionCoefficients Up to 8 value entry specifying the camera distortion coefficients. Both CameraMatrix and DistortionCoefficients must be specified for undistortion to occur.
    optional.png
    Default = " "
  • attribute.png
    AutofocusEnabled A boolean value ("TRUE" or "FALSE") specifying whether the camera can autofocus.
    optional.png
    Default = "FALSE"
  • attribute.png
    AutoexposureEnabled A boolean value ("TRUE" or "FALSE") specifying whether the camera can automatically set the exposure.
    optional.png
    Default = "FALSE"
  • element.png
    DataSources Exactly one DataSource child element is required.
    required.png

Example configuration file PlusDeviceSet_Server_OpenCVVideoSource.xml

<PlusConfiguration version="2.1">
<DataCollection StartupDelaySec="1.0" >
<DeviceSet
Name="PlusServer: OpenCV device capturing an RTSP stream"
Description="Broadcasting acquired video through OpenIGTLink"
/>
<Device
Id="VideoDevice"
Type="OpenCVVideo"
RequestedCaptureApi="CAP_FFMPEG"
StreamURL="rtsp://127.0.0.1:8554/hello.sdp">
<DataSources>
<DataSource Type="Video" Id="Video" ImageType="RGB_COLOR" PortUsImageOrientation="MF" />
</DataSources>
<OutputChannels>
<OutputChannel Id="VideoStream" VideoDataSourceId="Video" />
</OutputChannels>
</Device>
</DataCollection>
<CoordinateDefinitions>
<Transform From="Image" To="Reference"
Matrix="
1 0 0 0
0 1 0 0
0 0 1 0
0 0 0 1" />
</CoordinateDefinitions>
<PlusOpenIGTLinkServer
MaxNumberOfIgtlMessagesToSend="1"
MaxTimeSpentWithProcessingMs="50"
ListeningPort="18944"
SendValidTransformsOnly="true"
OutputChannelId="VideoStream" >
<DefaultClientInfo>
<MessageTypes>
<Message Type="IMAGE" />
</MessageTypes>
<ImageNames>
<Image Name="Image" EmbeddedTransformToFrame="Reference" />
</ImageNames>
</DefaultClientInfo>
</PlusOpenIGTLinkServer>
</PlusConfiguration>