查询词典 projection

Being provided by optical engine, light beam of image passes display screen of back projection to display image.

背投影显示屏幕包括一基板与位于基板的一光入射面上的一绕射光学组件层。

An image super-resolution reconstruction method, which combines the frequency domain motion estimation and iterative back projection algorithm, has been proposed.

提出了一种结合频域运动估计和迭代反投影的超分辨率图像重建算法。

This algorithm can provide images superior to those obtained by commonly used linear back projection algorithm with a similar reconstruction time.

该方法与目前广泛采用的线性反投影算法重建图象时间相当，但重建图象质量有显著改善。

Experimental results show the image quality has been improved markedly, compared with the typical linear back projection algorithm and Landweber iteration algorithm.

实验结果表明，与典型的反投影及Landweber迭代算法相比，该算法所构图像质量有明显改善。

Super resolution, image reconstruction, iterative back projection algorithm, frequency domain motion estimation

超分辨率，图像重建，迭代反投影算法，频域运动估计

A back projection method of the filtered back projecion algorithm is proposed based on passive raydriven technique and preinterpolation technique.

提出了滤波反投影（filtered back projection， FBP）算法的基于被动式射线驱动和预插值的反投影策略。

A back projection method of the filtered back projecion algorithm is proposed based on passive ray-driven technique and pre-interpolation technique.

提出了滤波反投影(filtered back projection， FBP)算法的基于被动式射线驱动和预插值的反投影策略。

Computer simulation studies were carried out to compare the DR algorithm with the two popular algorithms: the time-domain reconstruction and the filtered back projection.

通过计算机仿真实验比较反卷积重建法和当前流行的时域重建法与滤波反投影法的性能。

Fourthly,a Fast Back Projection algorithm is presented.It sloves the problem of large computational load of BP algorithm and the condition of dividing the subapterture is presented.

接着提出了一种快速后向投影算法，解决了BP算法计算量大的问题，给出了子孔径划分的条件。

Key words: windows function; image reconstruction; convention back projection; fan beam scan model

通过实验，验证了基于窗函数的卷积反投影图像重建算法可以有效地提高重建图像的质量。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。