[PDF][PDF] Automatic image segmentation based on level set approach: application to brain tumor segmentation in MR images
X Li - Université de Reims Champagne-Ardenne, 2009 - bu-documents.univ-reims.fr
… the MRI volume in general, projected to its adjacent slices for the … All the boundaries in the
same volume are used to reconstruct … After the mid-sagittal plane angle is estimated, we now …
same volume are used to reconstruct … After the mid-sagittal plane angle is estimated, we now …
一种改进的锥束螺旋CT 单层重排重建算法
陈炼, 吴志芳, 周立业 - CT 理论与应用研究, 2008 - cttacn.org.cn
… CB projection at projection angle β, … reconstruction of cone-beam projections acquired with
a helical vertex path is of primary importance for developments of computerized tomography. …
a helical vertex path is of primary importance for developments of computerized tomography. …
基于不完备投影数据重建的四种迭代算法比较研究
阙介民, 王燕芳, 孙翠丽, 魏存峰, 史戎坚, 魏龙 - CT 理论与应用研究, 2012 - cttacn.org.cn
… Abstract: In emission computerized tomography and transmission computerized … reconstruction
algorithm is applied to experimental sparse projections and limited-angle projections of …
algorithm is applied to experimental sparse projections and limited-angle projections of …
基于全局低分辨率CT 扫描的合成层析成像技术
曾凯, 赵世英, 王革 - CT 理论与应用研究, 2005 - cttacn.org.cn
… from a scan consisting of a limited number of projections. Hence, tomosynthesis requires much
less radiation dosage as compared to computed tomography … , the angular range must be …
less radiation dosage as compared to computed tomography … , the angular range must be …
CT 辐射量降低和投影数目研究(英文)
刘宝东 - CT 理论与应用研究, 2015 - cttacn.org.cn
… computed tomography (CT) technology is to reconstruct higher … best reconstruction quality
is around 300 in an equi-angular full … for reconstruction from a limited number of projections[J]. …
is around 300 in an equi-angular full … for reconstruction from a limited number of projections[J]. …
基于Transformer 增强型U-net 的CT 图像稀疏重建与伪影抑制
樊雪林, 文昱齐, 乔志伟 - CT 理论与应用研究, 2024 - cttacn.org.cn
… 计算机断层成像(computed tomography,CT)[1]是当前应用最为… lowdose X-ray computed
tomography image reconstruction[J]. … (CT) is to reduce the projection angle while maintaining the …
tomography image reconstruction[J]. … (CT) is to reduce the projection angle while maintaining the …
[PDF][PDF] 基于三维XCT 对碳化引起水泥砂浆内部缺陷改变的测试和分析
韩建德, 潘钢华, 孙伟 - 硅酸盐学报, 2011 - researchgate.net
… computed tomography)对碳化前后的水泥砂浆的三维内部缺陷 … ’s law, for each angle of
projection θ, the resulting intensity I (y, … defects are reconstructed by XCT VG Studio MAX software. …
projection θ, the resulting intensity I (y, … defects are reconstructed by XCT VG Studio MAX software. …
一种锥束CT 动态Bowtie 的蒙特卡罗模拟研究
冯绪杨, 伍伟文, 朱慧杰, 余海军, 刘丰林 - CT 理论与应用研究, 2018 - cttacn.org.cn
… ") in X-ray computed tomography (CT) is used for reducing the … reduces and the reconstructed
image quality is improved. … We define the projection angle as φ. First, we edit the input …
image quality is improved. … We define the projection angle as φ. First, we edit the input …
关于不充分投影数据下的二维扇形束CT 重建
梁文轩, 胡广书 - CT 理论与应用研究, 2010 - cttacn.org.cn
… Computed Tomography (CT), one of the important problems on image formation concerns on
reconstruction from insufficient projection … numbers of projection angles that sparsely cover …
reconstruction from insufficient projection … numbers of projection angles that sparsely cover …