Research on Video Quality Diagnosis Technology Based on Artificial Intelligence and Internet of Things

Table 3

Test items and results.

Algorithm	Sobel operator	Square gradient method	Improved algorithm
Number of correctly detected	28	32	42
Detection rate of the algorithm	68.22%	71.11%	93.33%
Number of false positives	12	5	2
The false-positive rate of the algorithm	26.67%	11.11%	4.44%
Algorithm	Gray scale difference method	Spatial neighborhood method	Improved algorithm
Number of correctly detected	20	37	43
Detection rate of the algorithm	44.44%	82.22%	95.56%
Number of false positives	5	10	2
The false-positive rate of the algorithm	11.11%	22.22%	4.44%