FPGA Implementation of Digital Coordinate Conversion of Intravascular Ultrasound Imaging System Based on CORDIC Algorithm.
10.3969/j.issn.1671-7104.2022.05.003
- Author:
Tao HAN
1
;
Weibao QIU
2
Author Information
1. School of Mechanical Engineering, Shaanxi Institute of Technology, Xi'an, 710300.
2. Paul C. Lauterbur Reseach Center for Biomeidcal Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055.
- Publication Type:Journal Article
- Keywords:
CORDIC algorithm;
FPGA;
digital coordinate conversion;
intravascular ultrasound imaging system
- MeSH:
Algorithms;
Computer Simulation;
Computers;
Ultrasonography, Interventional
- From:
Chinese Journal of Medical Instrumentation
2022;46(5):485-489
- CountryChina
- Language:Chinese
-
Abstract:
In order to facilitate doctors to better obtain cardiovascular images by using intravascular ultrasound imaging system and make a more accurate diagnosis, a digital coordinate conversion method of intravascular ultrasound imaging system based on CORDIC algorithm is proposed, it converts polar coordinates into rectangular coordinates through angular rotation and orientation calculation. The experimental simulation test is carried out on the platform of intravascular ultrasound imaging system by FPGA. Experimental simulation shows that, CORDIC algorithm can effectively output sine and cosine values, compared with the traditional table finding method, this algorithm has faster speed, stronger real-time performance and needs less hardware resources. It is more suitable for intravascular ultrasound imaging system.
