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Table 1 Alarm time (second).

From: Localized Detection of Abandoned Luggage

Sequence

Owner break

Left scene

G. T.

Alarm

Diff.

AVSS2007 Easy

114.80

119.76

180.00

179.76

AVSS2007 Medium

100.88

102.64

162.00

162.64

AVSS2007 Hard

101.08

102.28

162.00

162.28

PETS2006 Seq. 1

85.88

90.52

113.72

120.52

PETS2006 Seq. 2

61.92

65.04

91.84

95.04

PETS2006 Seq. 4

72.88

76.36

104.08

106.36

PETS2006 Seq. 5

80.28

83.04

110.56

113.04

PETS2006 Seq. 6

68.44

73.96

96.88

103.96

+6.08

PETS2006 Seq. 7

60.68

—

93.96

91.60

Average difference

    

2.71

  1. "G. T." represents "ground truth", which means the alarm time defined in the dataset. "Diff." represents "difference", which indicates the time difference between "alarm time" and "ground truth". The alarm is fired after the owner left the scene or left luggage unattended for consecutive seconds. is 60 in AVSS2007 dataset and is 30 in PETS2006 dataset. The maximum time difference is , and the average absolute time difference is 2.71.