Skip to main content

Table 1 Experimental results

From: Improved Viola-Jones face detection algorithm based on HoloLens

Face image database

Algorithm mentioned in this paper

Microsoft Azure Face API

Before acceleration and optimization

After acceleration and optimization

Name

Feature

Size

Qty.

Missing (Qty.)

Time (s)

Missing (Qty.)

Time (s)

Missing (Qty.)

ime (s)

Total time (s)

Orl

Expression change

92 × 112

400

21

37

21

10.6

111

67.5

1467.5

Yale

Illumination expression glasses

60 × 60

165

7

5

7

1.3

44

26.5

604

Ar

Illumination expression scarf

72 × 99

2600

352

173

352

43

631

425.3

9526.3

Stanford

Face calibration

139 × 139

400

3

102.9

3

20.1

129

69.6

1469.6

Jaffe

Expression of Asian woman

153 × 153

213

0

64.4

0

17.6

0

47

792.4

cit

Color illumination change

179 × 118

450

14

98.3

14

24.9

16

96.7

1671.9