RecognizedUser hand

gesture

Edge counting+weightedaverage of fingers

User hand

BackgroundImage

Absolutedifference

Gray scaleimage

Binaryimage

Handlimits

Map ofWeights

Using NN

5

10

15

20

25

305 10 15 20 25 30

Value of the standard division for each pixel

5

10

15

20

25

305 10 15 20 25 30

Map of the weights