Research on Several Key Problems of Medical Image Segmentation and Virtual Surgery

Table 4

Comparison of linear detection results with noise (intercept).

Actual value		Traditional Hough		Improved detection method
Line	Slope	Efficient	Relative error(%)	Efficient	Relative error(%)
A	0.53	0.56	6.97%	0.53	0.23%
B	0.61	0.64	4.99%	0.61	0.16%
C	−0.52	−0.50	5.22%	−0.52	0.21%
D	0.49	0.52	5.30%	0.50	0.29%