Morphological Edge Detection Algorithm of Colon Pathological Sections Based on Shearlet

Table 2

Objective evaluation results.

Images	Methods	Evaluation indicators
		MSE (dB)	PSNR (dB)	Information entropy	Correlation coefficient	RMSE
Section 1	Algorithm in [11]	4.50	41.60	6.3448	−0.4543	1.3725
	Algorithm in original	3.815	42.255	6.1397	−0.4663	1.5692
	Fusion algorithm in this paper	3.73	42.41	6.4002	−0.5307	1.63751
Section 2	Algorithm in [11]	6.29	40.14	6.6383	−0.3974	9.0812
	Algorithm in original	5.42	40.55	6.6396	−0.4263	10.0898
	Fusion algorithm in this paper	5.11	41.04	6.6441	−0.4873	11.9120
Section 3	Algorithm in [11]	5.66	40.60	6.7226	−0.3406	1.0502
	Algorithm in original	4.90	41.12	6.7553	−0.3845	1.1294
	Fusion algorithm in this paper	4.75	41.36	6.8441	−0.3923	1.2922
Section 4	Algorithm in [11]	3.52	42.67	6.1136	−0.6336	1.7190
	Algorithm in original	3.43	42.96	6.2232	−0.6587	1.8934
	Fusion algorithm in this paper	3.03	43.32	6.4380	−0.6709	1.9249