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- W2362898439 abstract "Objective To build a 2D/3D registration system based on the compute unified device architecture(CUDA) frame with single X-ray image and CT data of knee joints and apply it in the research of knee motion and stability of implanted prosthesis.Method The digital radiography(DR) equipment used in the study was calibra-ted by the Zhang zhengyou Calibration Method,and then digitally rendered radiographs(DRR) images were gen-erated in the CUDA frame with light-tracing algorithm,and the best 2D/3D registration parameters were calculated with a similarity operator of cross correlation;finally,the results were evaluated by using the method of 3D/3D registration with data obtained from a 3D laser scanner.Results With knee specimen X-ray images and CT da-ta,in 6 degrees of freedom,the average errors of transform were below 1 mm,and those of rotation were below 1°.Conclusions The 2D/3D registration system can meet the precision requirement of motion detection and be used to study the knee motion and prosthesis location." @default.
- W2362898439 created "2016-06-24" @default.
- W2362898439 creator A5002626545 @default.
- W2362898439 date "2010-01-01" @default.
- W2362898439 modified "2023-09-24" @default.
- W2362898439 title "2D/3D registration system based on single X-ray image and CT data" @default.
- W2362898439 hasPublicationYear "2010" @default.
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