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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2021.7
- 수록면
- 23 - 23 (1page)
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In this study, we designed a fast non-local means (FNLM) noise reduction approach and evaluated its effectiveness for denoising brain images with high b-values. This study was performed at 3 T MRI (Verio, Siemens, Germany). Diffusion-weighted image (DWI) with a spin-echo echo planar imaging pulse sequence, which is the fastest imaging method currently available, was used to produce the images. In the process of denoising, the NLM algorithm has the advantage of minimizing blurring and artifacts after image processing, as it is calculated in reference to the surrounding pixels in the region of interest (ROI). However, the process of calculating the weight is difficult to apply in a clinical setting due to the length of time required. Therefore, this study has changed the process of calculating the weight from 2D to 1D. To demons ... 전체 초록 보기
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