Real-Time Chest Compression Quality Measurements by Smartphone Camera
Table 2
Detection results for all of the 5 tests included in the experiments.
(cpm) (0->)
(%) (0–100)
(%)
Smartphone position test ()
RateP126
1.3 (0.3)
99.7 (0.3)
—
D1R110P126
1.8 (1.3)
99.5 (1.2)
—
30:2P1
4.5 (3.8)
95.9 (3.7)
—
LightP1
1.1 (0.3)
100 (0)
—
R100P2
3.0 (3.4)
98.1 (3.7)
—
R150P2
11.4 (14.9)
89.8 (16.4)
—
30:2P3
3.3 (1.4)
96.0 (2.1)
—
R100P3
1.1 (0.2)
99.9 (0.4)
—
Outdoor test ()
OCBR110P1
1.7 (0.3)
100 (0)
—
OCR110P1
1.5 (0.3)
100 (0)
—
OSBR110P1
1.4 (0.4)
99.7 (0.5)
—
OSR110P1
1.1 (0.4)
100 (0)
—
Disturbance test ()
D2R110P1
5.8
96.0
—
Random movement test ()
Ran.MovP1
—
89.6 (2.5)
—
CPR summary report test ()
CPRsrR110P1
TFSCR
—
6.1 (3.3)
TC
—
2.8 (2.6)
TWC
—
10.0 (9.1)
ACR
—
1.8 (1.2)
NC
—
1.6 (1.0)
Total (all tests)
2.7 (5.0)
98.0 (5.5)
4.5 (3.6)
The results are given in mean Average error, , mean Performance, , and mean Relative error parameter, . Standard deviations are shown in parenthesis. R = rate; P = position; D = disturbance; O = outdoor; B = noisy background; C = cloudy; S = sunny; CPRsr = CPR summary report.
