From ebc3844ae6598a05f922c31d382bc3100ffdd73d Mon Sep 17 00:00:00 2001
From: Jon Whiteaker <jbw@jon-Latitude-D630>
Date: Mon, 20 Feb 2012 15:52:58 -0800
Subject: face rec accuracy

---
 data/face-recognition-accuracy.py | 53 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100755 data/face-recognition-accuracy.py

(limited to 'data')

diff --git a/data/face-recognition-accuracy.py b/data/face-recognition-accuracy.py
new file mode 100755
index 0000000..00feb8f
--- /dev/null
+++ b/data/face-recognition-accuracy.py
@@ -0,0 +1,53 @@
+#!/usr/bin/python
+import os
+import sys
+import pickle
+
+prun = 0
+runs = {}
+labels = {}
+users = pickle.load((open(sys.argv[3])))
+recs = map(lambda x:0,users)
+
+for line in open(sys.argv[1]):
+    line = line.split(',')
+    try:
+        run = int(line[2])
+    except:
+        continue
+    user = line[1]
+    if run not in runs:
+        runs[run] = 0
+        labels[run] = users.index(user) + 1
+
+for line in open(sys.argv[2]):
+    line = line.split(',')
+    try:
+        run = int(line[2])
+    except:
+        continue
+    user = line[1]
+    rec = ' '.join(line[6].split('@')[0].split('_'))
+    if run != prun and prun > 0:
+        runs[prun] = recs.index(max(recs))+1
+        recs = map(lambda x:0,users)
+    recs[users.index(user)] += 1
+    prun = run
+
+t=0.0
+tp=0.0
+fp=0.0
+fn=0.0
+for (k,v) in runs.items():
+    if v == 0:
+        fn += 1
+    elif v != labels[k]:
+        fp += 1
+    else:
+        tp += 1
+    t += 1
+
+print("True positives: ",tp/t)
+print("False positives: ",fp/t)
+print("False negatives: ",fn/t)
+
-- 
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