EURASIP Journal on Advances in Signal Processing

Table 2 Performance comparisons between the HOCG descriptors and its based regional features

From: Abnormal event detection in crowded scenes using histogram of oriented contextual gradient descriptor

Approaches	AUC(%)	Improvement(%)	Dimension
Gray	63.20 71.94	8.74	64
HOCG	63.20 71.94	8.74	8
SF [42]	71.48 75.74	4.26	30
HOCG	71.48 75.74	4.26	8
GCM [34]	75.32 76.44	1.12	48
HOCG	75.32 76.44	1.12	8
3D gradient	62.62 74.04	11.42	64
HOCG	62.62 74.04	11.42	8

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