Abstract Background Computer-assisted surgical navigation aims to provide surgeons with anatomical target localization and critical structure observation. where medical image processing methods such as segmentation. registration and visualization play a critical role. Percutaneous renal intervention plays an important role in several minimally-invasive surgeries of kidney. https://www.roneverhart.com/San-Diego-Padres-Indigo-Graphite-Collection-1998-World-Series-Fitted-Hat/