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- The paper introduces the design and the implementation of 3D Shepp-Logan head phantom as well the computing of projection data at first,and then describes the simulation process of the three-dimension medical image. 首先介绍了3D Shepp-Logan头部模型的设计与实现以及仿真投影数据的计算,进而描述了所设计的三维医学图像重建仿真计算过程。
- Simultaneously, the spline smoothing step can eliminate the boundary artifacts caused by low-pass filtering.The simulations on both head phantom image and simulated MRI image show good results. 在有偏差场的人头模型图像和计算机仿真的MRI图像的校正中，均取得了满意的结果。
- Results Images were reconstructed successfully with current system for perturbations of different conductivities,sizes or positions in the homogeneous head phantoms. 结果现有系统对含均质“颇骨”的头部物理模型内电导率、位置和尺寸不同的简单扰动目标成功地进行了图像重建。
- She nestled her head on his shoulder. 她将头依偎在他的肩上。
- The deer lowered its head to drink from the pond. 鹿低下头去喝池塘里的水。
- He gave the little boy a clout on the head. 他在那小男孩的头部打了一下。
- I saw the small girl topple over and hit her head. 我看见那小女孩栽了一跤，碰着了头。
- I was dazed by the blow on my head. 我的头挨了一击而觉得晕眩。
- She leaned her head back and whispered the news. 她向后仰着头，小声说出了这个消息。
- The horse kicked its fallen rider about the head. 那匹马乱踢从它背上掉下来的骑手的头部。
- A price of $1000 was set on the jewel thief's head. 悬赏1000美元抓住这个珠宝窃贼。
- As I was waiting for a bus a brick fell on my head. 当我在等公共汽车时，一块砖头落到了我的头上。
- He because of bashful but low head. 他因羞愧而低下了头。
- She greeted us with a nod of the head. 她向我们点点头打招呼。
- He was sitting with his head buried in a book. 他坐着埋头看书。
- He batted the idea around in his head. 他脑子里反复思考这个想法。
- How can I enlighten your wooden head? 我怎么才能让你这木头疙瘩开窍呢？
- The guilty man bowed his head in shame. 那个有罪的人羞愧地低下了头。
- The heavy box landed crash on his head. 沉重的箱子哗啦一声掉到他的头上。
- The horse perked up its head when I shouted. 我吆喝时那马扬起了头。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
