ROS doc

Subscribed topics

image_input (sensor_msgs/Image)

Incoming raw image to apply filters on. Can be modified with the image_input parameter.

Published topics

image_filtered (sensor_msgs/Image)

Output image after the filters have been applied. Can be modified with the ~image_output parameter.

Services

~show_gui (std_srvs/Empty)
Shows the Seagoat GUI.

Parameters

~filterchain (string, required)
Path of the filterchain to load

~gui (bool, default: False)
Whether or not to show the GUI of the application

~timeout (float, default:1.0)
Time to wait for an input image

~image_input (string, default: ~image_input)
Topic on which to listen for images

~image_output
(string, default: ~image_filtered) Topic on which to send the filtered images

Seagoat doc

This Vision Server is tested on OpenCV 2.4.2 and Python 2.7 on Fedora 17 and Ubuntu 12.04.

Requirements:

• Python 2.7
• PyQt4
• Glade 3
• OpenCV 2.4 w/ Python/Numpy bindings
• Numpy
• Scipy

==== INSTALLATION ====

A. Install dependencies

Ubuntu :

Execution only :

sudo apt-get install python python-numpy python-scipy python-opencv python-protobuf protobuf

Fedora :

Execution only :

sudo apt-get install python numpy scipy opencv-python protobuf-python protobuf

Windows : Install the following dependencies :

• Python: http://python.org/ftp/python/2.7.3/python-2.7.3.msi
• Numpy: http://sourceforge.net/projects/numpy/files/NumPy/ # Choose the installer
• Scipy: http://sourceforge.net/projects/scipy/files/scipy/ # Choose the installer
• PyQt4: http://www.riverbankcomputing.co.uk/software/pyqt/download
• PySide: http://qt-project.org/wiki/PySide_Binaries_Windows
• PIL: http://effbot.org/downloads/PIL-1.1.7.win32-py2.7.exe
• OpenCV: http://www.lfd.uci.edu/~gohlke/pythonlibs/#opencv # OpenCV installer for Windows.

More information on OpenCV is available here: http://opencv.willowgarage.com/wiki/InstallGuide