De-identifying Video Images Project at the Data Privacy Lab



	De-identifying Video Data Demonstration

Data Set #1 Preferences

In order to determine which faces should be combined to make a de-identified face, faces are ranked based on their similarity to other faces. Below are sample faces with their rankings of closeness.

Picture closest (k=2) k=3 k=4 Ranking

Picture 1
Picture 15 (dist 5.3680)
Picture 14 (dist 5.4315)
Picture 13 (dist 5.4532) Faces: [1, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2]
Distances: [0, 5.3680, 5.4315, 5.4532, 5.4776, 5.5003, 5.5387, 5.5875, 5.6261, 5.6350, 5.6953, 5.7016, 5.7952, 5.8892, 6.3892]

Picture 2
Picture 15 (dist 3.4650)
Picture 14 (dist 3.5627)
Picture 13 (dist 3.5956) Faces: [2, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 1]
Distances: [0, 3.4650, 3.5627, 3.5956, 3.6326, 3.6667, 3.7241, 3.7963, 3.8529, 3.8658, 3.9532, 3.9623, 4.0958, 4.2277, 6.3892]

Picture 3
Picture 15 (dist 2.4222)
Picture 14 (dist 2.5600)
Picture 13 (dist 2.6056) Faces: [3, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 2, 1]
Distances: [0, 2.4222, 2.5600, 2.6056, 2.6564, 2.7029, 2.7803, 2.8762, 2.9505, 2.9673, 3.0803, 3.0920, 3.2613, 4.2277, 5.8892]

Picture 4
Picture 15 (dist 2.1838)
Picture 14 (dist 2.3356)
Picture 13 (dist 2.3855) Faces: [4, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 3, 2, 1]
Distances: [0, 2.1838, 2.3356, 2.3855, 2.4410, 2.4914, 2.5752, 2.6784, 2.7581, 2.7761, 2.8966, 2.9090, 3.2613, 4.0958, 5.7952]

Picture 5
Picture 15 (dist 1.9218)
Picture 14 (dist 2.0927)
Picture 13 (dist 2.1483) Faces: [5, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 4, 3, 2, 1]
Distances: [0, 1.9218, 2.0927, 2.1483, 2.2097, 2.2653, 2.3571, 2.4695, 2.5557, 2.5751, 2.7045, 2.9090, 3.0920, 3.9623, 5.7016]

Picture 6
Picture 15 (dist 1.9030)
Picture 14 (dist 2.0755)
Picture 13 (dist 2.1315) Faces: [6, 15, 14, 13, 12, 11, 10, 9, 8, 7, 5, 4, 3, 2, 1]
Distances: [0, 1.9030, 2.0755, 2.1315, 2.1933, 2.2494, 2.3418, 2.4549, 2.5416, 2.5611, 2.7045, 2.8966, 3.0803, 3.9532, 5.6953]

Picture 7
Picture 15 (dist 1.7140)
Picture 14 (dist 1.9037)
Picture 13 (dist 1.9646) Faces: [7, 15, 14, 13, 12, 11, 10, 9, 8, 6, 5, 4, 3, 2, 1]
Distances: [0, 1.7140, 1.9037, 1.9646, 2.0316, 2.0920, 2.1910, 2.3115, 2.4034, 2.5611, 2.5751, 2.7761, 2.9673, 3.8658, 5.6350]

Picture 8
Picture 15 (dist 1.6847)
Picture 14 (dist 1.8774)
Picture 13 (dist 1.9391) Faces: [8, 15, 14, 13, 12, 11, 10, 9, 7, 6, 5, 4, 3, 2, 1]
Distances: [0, 1.6847, 1.8774, 1.9391, 2.0069, 2.0680, 2.1682, 2.2898, 2.4034, 2.5416, 2.5557, 2.7581, 2.9505, 3.8529, 5.6261]

Picture 9
Picture 15 (dist 1.5508)
Picture 14 (dist 1.7582)
Picture 13 (dist 1.8240) Faces: [9, 15, 14, 13, 12, 11, 10, 8, 7, 6, 5, 4, 3, 2, 1]
Distances: [0, 1.5508, 1.7582, 1.8240, 1.8959, 1.9605, 2.0659, 2.2898, 2.3115, 2.4549, 2.4695, 2.6784, 2.8762, 3.7963, 5.5875]

Picture 10
Picture 15 (dist 1.3648)
Picture 14 (dist 1.5965)
Picture 13 (dist 1.6687) Faces: [10, 15, 14, 13, 12, 11, 9, 8, 7, 6, 5, 4, 3, 2, 1]
Distances: [0, 1.3648, 1.5965, 1.6687, 1.7470, 1.8169, 2.0659, 2.1682, 2.1910, 2.3418, 2.3571, 2.5752, 2.7803, 3.7241, 5.5387]

Picture 11
Picture 15 (dist 1.1993)
Picture 14 (dist 1.4576)
Picture 13 (dist 1.5363) Faces: [11, 15, 14, 13, 12, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1]
Distances: [0, 1.1993, 1.4576, 1.5363, 1.6210, 1.8169, 1.9605, 2.0680, 2.0920, 2.2494, 2.2653, 2.4914, 2.7029, 3.6667, 5.5003]

Picture 12
Picture 15 (dist 1.0906)
Picture 14 (dist 1.3695)
Picture 13 (dist 1.4531) Faces: [12, 15, 14, 13, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1]
Distances: [0, 1.0906, 1.3695, 1.4531, 1.6210, 1.7470, 1.8959, 2.0069, 2.0316, 2.1933, 2.2097, 2.4410, 2.6564, 3.6326, 5.4776]

Picture 13
Picture 15 (dist 0.9602)
Picture 14 (dist 1.2681)
Picture 12 (dist 1.4531) Faces: [13, 15, 14, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1]
Distances: [0, 0.9602, 1.2681, 1.4531, 1.5363, 1.6687, 1.8240, 1.9391, 1.9646, 2.1315, 2.1483, 2.3855, 2.6056, 3.5956, 5.4532]

Picture 14
Picture 15 (dist 0.8284)
Picture 13 (dist 1.2681)
Picture 12 (dist 1.3695) Faces: [14, 15, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1]
Distances: [0, 0.8284, 1.2681, 1.3695, 1.4576, 1.5965, 1.7582, 1.8774, 1.9037, 2.0755, 2.0927, 2.3356, 2.5600, 3.5627, 5.4315]

Picture 15
Picture 14 (dist 0.8284)
Picture 13 (dist 0.9602)
Picture 12 (dist 1.0906) Faces: [15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1]
Distances: [0, 0.8284, 0.9602, 1.0906, 1.1993, 1.3648, 1.5508, 1.6847, 1.7140, 1.9030, 1.9218, 2.1838, 2.4222, 3.4650, 5.3680]

Picture	closest (k=2)	k=3	k=4	Ranking
Picture 1	Picture 15 (dist 5.3680)	Picture 14 (dist 5.4315)	Picture 13 (dist 5.4532)	Faces: [1, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2] Distances: [0, 5.3680, 5.4315, 5.4532, 5.4776, 5.5003, 5.5387, 5.5875, 5.6261, 5.6350, 5.6953, 5.7016, 5.7952, 5.8892, 6.3892]
Picture 2	Picture 15 (dist 3.4650)	Picture 14 (dist 3.5627)	Picture 13 (dist 3.5956)	Faces: [2, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 1] Distances: [0, 3.4650, 3.5627, 3.5956, 3.6326, 3.6667, 3.7241, 3.7963, 3.8529, 3.8658, 3.9532, 3.9623, 4.0958, 4.2277, 6.3892]
Picture 3	Picture 15 (dist 2.4222)	Picture 14 (dist 2.5600)	Picture 13 (dist 2.6056)	Faces: [3, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 2, 1] Distances: [0, 2.4222, 2.5600, 2.6056, 2.6564, 2.7029, 2.7803, 2.8762, 2.9505, 2.9673, 3.0803, 3.0920, 3.2613, 4.2277, 5.8892]
Picture 4	Picture 15 (dist 2.1838)	Picture 14 (dist 2.3356)	Picture 13 (dist 2.3855)	Faces: [4, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 3, 2, 1] Distances: [0, 2.1838, 2.3356, 2.3855, 2.4410, 2.4914, 2.5752, 2.6784, 2.7581, 2.7761, 2.8966, 2.9090, 3.2613, 4.0958, 5.7952]
Picture 5	Picture 15 (dist 1.9218)	Picture 14 (dist 2.0927)	Picture 13 (dist 2.1483)	Faces: [5, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 4, 3, 2, 1] Distances: [0, 1.9218, 2.0927, 2.1483, 2.2097, 2.2653, 2.3571, 2.4695, 2.5557, 2.5751, 2.7045, 2.9090, 3.0920, 3.9623, 5.7016]
Picture 6	Picture 15 (dist 1.9030)	Picture 14 (dist 2.0755)	Picture 13 (dist 2.1315)	Faces: [6, 15, 14, 13, 12, 11, 10, 9, 8, 7, 5, 4, 3, 2, 1] Distances: [0, 1.9030, 2.0755, 2.1315, 2.1933, 2.2494, 2.3418, 2.4549, 2.5416, 2.5611, 2.7045, 2.8966, 3.0803, 3.9532, 5.6953]
Picture 7	Picture 15 (dist 1.7140)	Picture 14 (dist 1.9037)	Picture 13 (dist 1.9646)	Faces: [7, 15, 14, 13, 12, 11, 10, 9, 8, 6, 5, 4, 3, 2, 1] Distances: [0, 1.7140, 1.9037, 1.9646, 2.0316, 2.0920, 2.1910, 2.3115, 2.4034, 2.5611, 2.5751, 2.7761, 2.9673, 3.8658, 5.6350]
Picture 8	Picture 15 (dist 1.6847)	Picture 14 (dist 1.8774)	Picture 13 (dist 1.9391)	Faces: [8, 15, 14, 13, 12, 11, 10, 9, 7, 6, 5, 4, 3, 2, 1] Distances: [0, 1.6847, 1.8774, 1.9391, 2.0069, 2.0680, 2.1682, 2.2898, 2.4034, 2.5416, 2.5557, 2.7581, 2.9505, 3.8529, 5.6261]
Picture 9	Picture 15 (dist 1.5508)	Picture 14 (dist 1.7582)	Picture 13 (dist 1.8240)	Faces: [9, 15, 14, 13, 12, 11, 10, 8, 7, 6, 5, 4, 3, 2, 1] Distances: [0, 1.5508, 1.7582, 1.8240, 1.8959, 1.9605, 2.0659, 2.2898, 2.3115, 2.4549, 2.4695, 2.6784, 2.8762, 3.7963, 5.5875]
Picture 10	Picture 15 (dist 1.3648)	Picture 14 (dist 1.5965)	Picture 13 (dist 1.6687)	Faces: [10, 15, 14, 13, 12, 11, 9, 8, 7, 6, 5, 4, 3, 2, 1] Distances: [0, 1.3648, 1.5965, 1.6687, 1.7470, 1.8169, 2.0659, 2.1682, 2.1910, 2.3418, 2.3571, 2.5752, 2.7803, 3.7241, 5.5387]
Picture 11	Picture 15 (dist 1.1993)	Picture 14 (dist 1.4576)	Picture 13 (dist 1.5363)	Faces: [11, 15, 14, 13, 12, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1] Distances: [0, 1.1993, 1.4576, 1.5363, 1.6210, 1.8169, 1.9605, 2.0680, 2.0920, 2.2494, 2.2653, 2.4914, 2.7029, 3.6667, 5.5003]
Picture 12	Picture 15 (dist 1.0906)	Picture 14 (dist 1.3695)	Picture 13 (dist 1.4531)	Faces: [12, 15, 14, 13, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1] Distances: [0, 1.0906, 1.3695, 1.4531, 1.6210, 1.7470, 1.8959, 2.0069, 2.0316, 2.1933, 2.2097, 2.4410, 2.6564, 3.6326, 5.4776]
Picture 13	Picture 15 (dist 0.9602)	Picture 14 (dist 1.2681)	Picture 12 (dist 1.4531)	Faces: [13, 15, 14, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1] Distances: [0, 0.9602, 1.2681, 1.4531, 1.5363, 1.6687, 1.8240, 1.9391, 1.9646, 2.1315, 2.1483, 2.3855, 2.6056, 3.5956, 5.4532]
Picture 14	Picture 15 (dist 0.8284)	Picture 13 (dist 1.2681)	Picture 12 (dist 1.3695)	Faces: [14, 15, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1] Distances: [0, 0.8284, 1.2681, 1.3695, 1.4576, 1.5965, 1.7582, 1.8774, 1.9037, 2.0755, 2.0927, 2.3356, 2.5600, 3.5627, 5.4315]
Picture 15	Picture 14 (dist 0.8284)	Picture 13 (dist 0.9602)	Picture 12 (dist 1.0906)	Faces: [15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1] Distances: [0, 0.8284, 0.9602, 1.0906, 1.1993, 1.3648, 1.5508, 1.6847, 1.7140, 1.9030, 1.9218, 2.1838, 2.4222, 3.4650, 5.3680]