ROI Selector

$0.00

This block selects multiple or a single Region Of Interest (ROI), represented by bounding boxes or polygons, from the input image and blacks out the rest of the image.

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Version 0.4.1
Input ports
  • Image (sensor_msgs/Image) - The input image
  • Bounding Boxes (yonoarc_msgs/ObjectBBoxArray) - The bounding boxes of the multiple ROIs in the image
  • Polygon Vertices (yonoarc_msgs/PointArray) - The vertices of a polygon representing an ROI in the image
Output Ports
  • Output Image (sensor_msgs/Image) - The output image with the desired ROI(s)
Properties
  • Crop? - Whether to crop the input image around the region of interest or to black out the rest of the image
  • Inverted - True: Black out the regions of interestnFalse: Black out all the image except the regions of interest
  • Polygon Vertices - The vertices of a polygon representing an ROI in the image. Use | to separate the points and , to separate the x and y coordinates of the point (e.g., 50,50 | 500,300 | 300,500 represents a polygon with three points)
  • ROI Right Boundary - The right boundary of the ROI, in pixels
  • ROI Left Boundary - The left boundary of the ROI, in pixels
  • ROI Bottom Boundary - The bottom boundary of the ROI, in pixels
  • ROI Top Boundary - The top boundary of the ROI, in pixels
References

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