fixing facerecognizer tutorials and interface

modules/face/samples/etc/create_csv.py

@@ -0,0 +1,43 @@
+#!/usr/bin/env python
+
+import sys
+import os.path
+
+# This is a tiny script to help you creating a CSV file from a face
+# database with a similar hierarchie:
+#
+#  philipp@mango:~/facerec/data/at$ tree
+#  .
+#  |-- README
+#  |-- s1
+#  |   |-- 1.pgm
+#  |   |-- ...
+#  |   |-- 10.pgm
+#  |-- s2
+#  |   |-- 1.pgm
+#  |   |-- ...
+#  |   |-- 10.pgm
+#  ...
+#  |-- s40
+#  |   |-- 1.pgm
+#  |   |-- ...
+#  |   |-- 10.pgm
+#
+
+if __name__ == "__main__":
+
+    if len(sys.argv) != 2:
+        print "usage: create_csv <base_path>"
+        sys.exit(1)
+
+    BASE_PATH=sys.argv[1]
+    SEPARATOR=";"
+
+    label = 0
+    for dirname, dirnames, filenames in os.walk(BASE_PATH):
+        for subdirname in dirnames:
+            subject_path = os.path.join(dirname, subdirname)
+            for filename in os.listdir(subject_path):
+                abs_path = "%s/%s" % (subject_path, filename)
+                print "%s%s%d" % (abs_path, SEPARATOR, label)
+            label = label + 1