Perioperative Nursing Management of Patients Undergoing Laparoscopic Ovarian Cystectomy Guided by Ultrasound Imaging under Intelligent Algorithm

Table 1

PSNR results of different denoising algorithms.

Algorithm	Standard deviation at 0.5	Standard deviation at 1	Standard deviation at 1.5	Standard deviation at 2	Standard deviation at 2.5
NL-mean	33.0834	31.5236	28.9535	28.6321	27.5489
CNN	36.2467	32.7854	30.8535	30.1524	29.4623
UNet	38.2468	34.2478	32.3563	31.3746	30.8624
Improved UNet	38.7367	35.2856	33.2478	32.6909	31.3689