| 1. | Algebraic reconstruction technique 代数重建法 |
| 2. | This extended sr measurement method is applicable to two - dimension flow field test . the algebraic reconstruction technique ( art ) was introduced 该扩展了的sr测量方法,适用于二维流场的sr测量。 |
| 3. | The convolution back projection ( cbp ) technique and the algebraic reconstruction technique ( art ) are two of the major image reconstruction methods in ct 现在主要有两大类重建图像的方法:变换方法和迭代方法.变换法以卷积反投影算法最为常用,医学ct普遍采用变换法成像技术 |
| 4. | ( 5 ) three ert reconstruction algorithms are analyzed and compared by the simulation gas / liquid two - phase flow experiment data . their name is the sensitivity coefficient algorithm , the combination algorithm of tikhonov regularization and algebraic reconstruction technique ( art ) and the modified bfgs ( mbfgs ) algorithm ( 4 )对实验中测得的图像数据,分别采用了灵敏度系数法、 tikhonov正则化技术和art相结合的组合型图像重建算法、改进的bfgs算法进行离线成像。 |
| 5. | It is a combination of tikhonov regularization and algebraic reconstruction technique ( art ) . it is found that the algorithm is stable and the influence of data fluctuation on image reconstruction is eliminated . furthermore , the qualities of the images reconstructed by using the proposed algorithm are improved 建立了新的ert图像重建算法的数学模型,提出了一种将tikhonov正则化方法和代数重建算法( art相结合的组合型图像重建算法,研究表明该算法是一种较为稳定的算法,具有克服测量数据波动对图像重建的影响的能力,同时仿真研究表明该算法在一定程度上提高了图像重建的质量。 |
| 6. | In this paper , two novel algorithms of reconstructing high resolution images from both overlapped parallel projection data and overlapped fan beam projection data with low resolution are presented . one is called virtual detector algorithm , and the other is direct reconstruction algorithm . both of the algorithms with two forms for the parallel data and fan beam data respectively are developed based on the interpolative algebraic reconstruction techniques ( iart ) 本文在研究插值代数重建法( iart )的基础上,根据特别设计的数据采集模式(平行相叠采样和扇形相叠采样) ,提出了由相叠低分辨数据重建高分辨图像的两个新算法,即虚拟探测器法和直接重建法。 |