Table 6 The mean pixel error of color-based hand tracking

a

b

C

Square

Triangle

Circle

Distance (pixel)

1 m

51.571

11.921

10.059

33.482

69.155

63.262

2 m

11.393

55.969

20.909

39.999

27.950

90.738

3 m

13.887

38.549

69.643

14.707

14.949

77.681