Human-computer Interaction System Based on Skin Color and Intensity Transformation

The navigation interactive methods for mobile phones have some drawbacks which contain inconvenient operation,difficult implementation and high cost.Aiming at these problems,this paper proposes a novel human-computer interaction system combining with shin color model,intensity transformation and geometrical characteristic.It collects serial images of thumb moving by the front camera of mobile phone,and judges the hue of the image in YCbCr color field.It adjusts the intensity of the image based on object and background gray characteristic,and calculates the geometric centre by the centre of gray value.It finds the relative position of thumb moving in the instruct plane.Experimental results demonstrate that the interaction can recognize four main instructs and twelve auxiliary instructs friendly and quickly.