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--- lirec:faceident [2009-03-30 14:01] – davegriffiths
+++ lirec:faceident [2009-05-27 10:50] (current) – davegriffiths
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 ======FaceIdent======
+See also [[FaceIdent dev log]]
 A simple approach to face identification, built on top of OpenCV and given a
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 | /faceident | "user appeared" ID confidence | A user has entered the view of the camera |
 | /faceident | "user disappeared" ID | The user has left the camera view |
+You can also drive the program via yarp with the following input messages:
+^ Input port ^ Bottle contents ^ Meaning ^
+| /faceident-ctrl | "train" ID | Train for this user |
+| /faceident-ctrl | "detect" | Switch to detection mode |
+| /faceident-ctrl | "save" sessionname | Save the detected faces  |
+| /faceident-ctrl | "load" sessionname | Load previously detected faces  |
+| /faceident-ctrl | "clear" | Clears all faces |
+| /faceident-ctrl | "idle" | Switch to idle mode, mostly frees up cpu |
+Faces are saved in png format along with a text file to map them to id numbers. The sessionname
+will be prepended onto the filenames for the text file and the image files, so you can save
+multiple sessions.
 Keys:
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 Todo:
   * Try normalised cross correlation instead of image differencing
+  * Expose image size and error threshold via yarp
+  * Use tinyxml or something better for the serialisation
 Source code: [[http://svn.lirec.eu/foam/trunk/simple-faceident/]]