Image Noise Preprocessing of Interactive Projection System Based on Switching Filtering Scheme

Table 2

Peak signal-to-noise ratio for each image after the second test. and .

	Frame 1	Frame 2	Frame 3	Frame 4	Frame 5	Frame 6
Adaptive median filter	31.871	20.404	32.197	19.265	34.649	21.762
Adaptive adjustment Gaussian filter	16.973	33.197	17.539	33.378	17.026	31.824
Arbitrary switching filter	30.478	30.793	32.840	31.956	29.649	29.857