Added 3D classification message

msg/Classification3D.msg

@@ -0,0 +1,20 @@
+# Defines a 3D classification result.
+#
+# This result does not contain any position information. It is designed for
+# classifiers, which simply provide probabilities given a source image.
+
+Header header
+
+# IDs of elements detected with any nonzero probability.
+# Does not have to include all possible object
+# ids, the scores for any ids not listed are assumed to be 0.
+int64[] ids
+
+# The probabilities or confidence values of the detected elements. Must be
+# sorted to correspond with the ids field, above
+# 0-1, should sum to 1 or less, must be the same length as ids
+float64[] scores
+
+# The 2D data that generated these results (i.e. region proposal cropped out of
+# the image). Not required for all detectors, so it may be empty.
+sensor_msgs/PointCloud2 source