image_cb_detector

Summary

image_cb_detector
Version:

0.10.13
Description:

Provide a node that extracts checkerboard corners from ROS images. This package is still experimental and unstable. Expect its APIs to change.
Maintainers:
  • Vincent Rabaud <vincent DOT rabaud AT gmail DOT com>
Licenses:
  • BSD
Urls:
Authors:
  • Vijay Pradeep
  • Eitan Marder-Eppstein
BuildDepends:
BuildtoolDepends:
 
BuildExportDepends:
 
ExecDepends:

Types

Message types

image_cb_detector/ObjectInImage
Field: 
Header header
geometry_msgs/Point[] model_points
image_cb_detector/ImagePoint[] image_points
image_cb_detector/ImagePoint
Field:
  • x (float32) –
  • y (float32) – 
float32 x
float32 y

Action types

image_cb_detector/Config
Field (Goal):
  • num_x (uint32) –
  • num_y (uint32) –
  • spacing_x (float32) –
  • spacing_y (float32) –
  • width_scaling (float32) –
  • height_scaling (float32) –
  • subpixel_window (uint32) –
  • subpixel_zero_zone (int32) – 
uint32 num_x     # Number of checkerboard corners in the X direction
uint32 num_y     # Number of corners in the Y direction
float32 spacing_x  # Spacing between corners in the X direction (meters)
float32 spacing_y  # Spacing between corners in the Y direction (meters)

# Specify how many times we want to upsample the image.
#  This is often useful for detecting small checkerboards far away
float32 width_scaling
float32 height_scaling

# Configure openCV's subpixel corner detector
uint32 subpixel_window
int32  subpixel_zero_zone

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