| 1. | Computer tomography in non - destructive testing for logs 在原木无损检测中的应用 |
| 2. | Diagnosis on pneumoconiosis and its complications by chest computer tomography : analysis of 40 cases 诊断尘肺及其合并症40例分析 |
| 3. | Application of technology and image of computer tomography in measurement of multi - phases 计算机层析成像技术及其在化工多相流测量中的应用 |
| 4. | Verification regulation of medical diagnostical x - ray radiation source for computer tomography 医用诊断计算机断层摄影装置ct x射线辐射源检定规程 |
| 5. | Bone qualities can be assessed with radiographs including periapical films , computer tomography and surgeon ' s tactile sensation 临床上判读骨质的方法大都是利用放射线摄影或是手术时钻骨的感觉来判别。 |
| 6. | Computer tomography ( ct ) is widely applied not only in the medical radiodiagnosis , but also in the industry inspection 计算机断层成像(即ct )无论在医学放射诊断方面,还是在工业领域中均有着广泛的应用。 |
| 7. | Finally , with the use of the hydrogeo - chemical model , the synthetic prediction technology will be advanced , mainly including environmental isotope , shallow earthquake reflection , computer tomography 在此基础上提出以环境同位素技术、浅层反射波法、层析成像技术为主的结合化学动力学水文地质学理论的综合预测预报技术。 |
| 8. | In many fields , such as remote sensing , nuclear medical , computer tomography , geophysical prospecting , groundwater hydrology , global ocean modeling , image processing , tumor detection , nondestructive detection , the objective of applied sciences and engineering is the recovery of the original signal given a collection of noisy observations of the original signal ; we call these problems inverse problem 在遥感技术、核医疗技术、计算机断层扫描( ct )技术、地质勘探、地下水文学、电磁辐射、图像恢复和重构、肿瘤检测、非破坏性检测等科学研究和工程实践中,经常需要根据一组观测到的数据来估计目标的真实信号,而观测到的数据往往是真实信号经模糊、失真和加噪等过程后所得的输出信号,通常称这类问题为逆问题。 |
| 9. | The image reconstruction algorithms is thoroughly researched . the filter back projection ( fbp ) , algebra reconstruction technology ( art ) and fan beam data rearrangement algorithm used in medical computer tomography are improved . the noser algorithm , linear neural networks method and hopfield neural networks method are presented and gain the better result of image reconstruction 深入研究了图像重建算法,改进了医学ct的滤波反投影算法、代数重建技术和扇束投影数据重排方法,提出了带图像光滑约束的noser算法、线性神经网络方法和hopfield神经网络方法,并得到了较好的图像重建结果。 |
| 10. | In this paper , firstly , we studied the newly working in the field of the application of wavelets transform used - in the computer tomography in two - dimesion , and mainly focused in the field of filter - backprojection algorithm . we analized the application of one - demision wavelets transform and two - demision wavlets transform 本文首先对小波理论在二维图像重建应用的最新研究进行分析,着重研究了了小波理论在滤波反投影算法中的具体算法,分别从一维小波变换和二维小波变换进行了探讨。 |