Research Article

Vision-Based Deep Q-Learning Network Models to Predict Particulate Matter Concentration Levels Using Temporal Digital Image Data

Table 4

Sensitivity (Sen), specificity (Spe) and Youden index (= sensitivity + specificity - 1) of predictive models with an application to various video sequences.

# of frames 5 frames 10 frames 15 frames 20 frames

Konkuk Univ. Indoor
Sen Spe Youden Sen Spe Youden Sen Spe Youden Sen Spe Youden
Deep Q Haze 0.9873 0.9963 0.9836 0.9927 0.9963 0.9890 0.9927 0.9967 0.9894 0.9890 0.9927 0.9817
Deep Haze 0.9575 0.4650 0.4225 0.9850 0.4300 0.4150 0.9750 0.5150 0.4900 0.9800 0.5175 0.4975
RF 0.9850 0.2675 0.2525 0.9825 0.2774 0.2599 1.0000 0.0000 0.0000 1.0000 0.0000 0.0000
SVM 1.0000 0.0000 0.0000 1.0000 0.0000 0.0000 1.0000 0.0000 0.0000 1.0000 0.0000 0.0000

Konkuk Univ. Outdoor
Deep Q Haze 0.8550 0.9366 0.7916 0.8500 0.9500 0.8000 0.8500 0.9600 0.8100 0.8600 0.9633 0.8233
Deep Haze 0.3760 0.5360 -0.0880 0.4120 0.4880 -0.1000 0.3640 0.5400 -0.0960 0.3740 0.5420 -0.0840
RF 0.5240 0.4140 -0.0620 0.5300 0.4820 0.0120 0.4080 0.4679 -0.1241 0.4540 0.4679 -0.0781
SVM 0.7320 0.5800 0.3120 0.7180 0.5360 0.2540 0.7020 0.5460 0.2480 0.7380 0.5500 0.2880

Keimyung Univ.
Deep Q Haze 0.9871 0.9814 0.9685 0.9885 0.9842 0.9727 0.9885 0.9871 0.9756 0.9914 0.9914 0.9828
Deep Haze 0.8760 0.4250 0.3010 0.8980 0.3950 0.2930 0.8820 0.4216 0.3036 0.8900 0.4200 0.3100
RF 0.8200 0.0683 -0.1117 0.8580 0.0900 -0.0520 0.8480 0.1030 -0.0490 0.8740 0.1116 -0.0144
SVM 0.8375 0.1185 -0.0440 0.8375 0.1585 -0.0040 0.8375 0.2000 0.0375 0.8375 0.1871 0.0246

Mobile Phone
Deep Q Haze 0.9733 0.7874 0.7607 0.9866 0.7632 0.7498 0.9822 0.7487 0.7309 0.9777 0.7439 0.7216
Deep Haze 0.9130 0.1288 0.0418 0.9178 0.1288 0.0466 0.9130 0.1244 0.0374 0.9082 0.1244 0.0326
RF 0.7004 0.2711 -0.0285 0.7681 0.2622 0.0303 0.6908 0.2311 -0.0781 0.7198 0.2577 -0.0225
SVM 0.6280 0.0533 -0.3187 0.5990 0.0666 -0.3344 0.5990 0.0533 -0.3477 0.5893 0.0622 -0.3485