Pelvic Floor Ultrasound under Particle Swarm Intelligent Optimization Algorithm in Preoperative and Postoperative Evaluation of Female Stress Urinary Incontinence

Figure 7

Pelvic floor transperineal ultrasound measurement of patients (x: the position of the bladder neck on the x-axis; y: the position of the bladder neck on the y-axis; α: the posterior angle of the bladder urethra; β: the angle formed by the proximal urethra and the distal urethra).