Table 2.
Database | Year | Method | Precision | Recall | L-AUC | F1-Measure |
---|---|---|---|---|---|---|
2015 | Ren et al. [113] | 95.8 | 3.5 | – | 6.7 | |
NWPU-crowd | 2017 | Hu et al. [114] | 52.9 | 61.1 | – | 56.7 |
2019 | Gao et al. [115] | 55.8 | 49.6 | – | 52.5 | |
2019 | Liu et al. [116] | 66.6 | 54.3 | – | 59.8 | |
2018 | Idrees et al. [43] | 75.8 | 63.5 | 0.591 | – | |
2015 | Badrinarayanan et al. [117] | 71.8 | 62.9 | 0.67 | ||
2016 | Huang et al. [118] | 70.1 | 58.1 | 0.637 | ||
2016 | He et al. [119] | 61.6 | 66.9 | 0.612 | ||
UCF_QNRF | 2018 | Shen et al. [120] | 75.6 | 59.7 | – | – |
2018 | Liu et al. [116] | 59.3 | 63.0 | – | ||
2015 | Zhang et al. [44] | 78.1 | 65.1 | – | ||
2019 | Liu et al. [116] | 81.5 | 71.1 | – | ||
2016 | Zhang et al. [50] | 71.0 | 72.4 | – | ||
2020 | Xue et al. [121] | 82.4 | 78.3 | – | ||
2019 | Liu et al. [116] | 12.0 | 32.6 | – | ||
2018 | Shen et al. [120] | 79.2 | 82.2 | – | – | |
2018 | Liu et al. [116] | 82.2 | 73.3 | – | ||
2015 | Zhang et al. [44] | 81.9 | 77.9 | – | ||
Shanghai Tech. A | 2019 | Liu et al. [116] | 86.5 | 69.7 | – | |
2018 | Idrees et al. [43] | 79.0 | 72.3 | – | ||
2016 | Zhang et al. [50] | 76.5 | 81.7 | – | ||
2020 | Xue et al. [121] | 87.3 | 79.2 | – | ||
2019 | Liu et al. [116] | 15.6 | 37.5 | – | ||
2019 | Liu et al. [116] | 79.1 | 60.1 | – | ||
2018 | Shen et al. [120] | 80.2 | 78.8 | – | – | |
2018 | Liu et al. [116] | 75.4 | 79.3 | – | ||
Shanghai Tech. B | 2015 | Zhang et al. [44] | 84.1 | 75.8 | – | |
2019 | Liu et al. [116] | 78.1 | 73.9 | – | ||
2019 | Idrees et al. [43] | 76.8 | 78.0 | – | ||
2019 | Zhang et al. [50] | 82.4 | 76.0 | – | ||
2020 | Xue et al. [121] | 86.7 | 80.5 | – | ||
2019 | Liu et al. [116] | 60.0 | 23.0 | – | ||
2019 | Liu et al. [116] | 73.7 | 79.6 | – | ||
2018 | Shen et al. [120] | 68.5 | 81.2 | – | – | |
2018 | Liu et al. [116] | 73.8 | 78.2 | – | ||
World Expo | 2015 | Zhang et al. [44] | 79.5 | 73.1 | – | |
2019 | Liu et al. [116] | 71.6 | 75.4 | – | ||
2019 | Idrees et al. [43] | 72.4 | 78.3 | – | ||
2019 | Zhang et al. [50] | 80.9 | 77.5 | – | ||
2020 | Xue et al. [121] | 82.0 | 81.5 | – |