Ordering of Multiple Diffusion Gradient Directions for High Resolution ADC Maps Using Golden Angle

Hyunseok Seo¹, Yeji Han¹, HyunWook Park¹

This abstract proposes a diffusion weighted-imaging method containing various directional diffusion information in an imaging sequence using radial trajectories. The order of diffusion gradient directions is also proposed to reduce artifacts caused by the anisotropic diffusion properties in the ADC map. Computer simulations were performed to evaluate the proposed method. MR experiment results from phantom and in vivo brain studies show that the proposed method is more accurate and faster than conventional methods. Another merit of the proposed method was also verified through the high-resolution ADC map.