立体
- 与 立体 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Combined with modern digital image processing technology, image matching and composite method of a group of images is discussed based upon which a computer aided composite method of the lenticular screen covering color stereo image is developed.
对基于柱透镜光栅的立体照片的制作原理进行了理论分析,推导了立体成像的光学原理,结合现代数字图像处理技术,对多幅图像的匹配及合成方法进行了分析,提出和实现了一种计算机辅助彩色立体图片合成方法。
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Primary atrial tumor has obvious characteristic on RT-3DE: All the atrial tumor display the same size of stereoimages as the tumor themselves. There is a clear boundary between the stereoimage of the myxoma and the atrial wall and there exists a short pedicle connecting the atrial myxoma to the atrial wall or the interatrial septum. The body of the atrial myxoma moves to and fro through the atrium and the atrioventricular valve with the contraction and relaxation of the heart with a fixative pedicle. Atrial myxoma leads to relative atrioventricular valve incompetence during systolic phase and relative atrioventricular valve stenosis during diastolic phase, but doesn't result in pathological changes of atrioventricular valve which restore to normal after exsection of the atrial myxoma. Malignant atrial tumor closely and extensively contact with atrial wall without obvious boundary, pedicle and movement with the contraction and relaxation of the heart.
所有心房肿瘤RT-3DE均实时显示与肿瘤大小相同的立体形态图像;心房黏液瘤立体形态图像与心房壁界限明显,都通过一短蒂与房间隔或心房壁相连,瘤体以蒂为固定点随心脏收缩、舒张在心房与房室瓣口之间往返运动;心房黏液瘤收缩期瘤体导致房室瓣相对关闭不全,舒张期瘤体导致房室瓣相对狭窄,但瘤体不引起房室瓣器质性病变,瘤体摘除后房室瓣功能即恢复正常;恶性心房肺瘤立体形态图像与心房壁关系密切,界限不明显,接触范围广泛,无蒂,瘤体不随心脏收缩、舒张运动。
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Cephalotaxine ester of 2-oxo-6-methylheptanoic acid was treated with lithium diisopropylamide and Me O-(1-methoxyisopropyl)glycolate to give a mixture of homoisoharringtonine and its stereoisomers with 56% yield. The four stereoisomers separated by TLC showed identical mass spectra and almost superimposed IR but with different 1H NMR spectra. The configuration of the 2'-C and 3'-C of the four isomers were postulated based upon their 1H NMR spectra as compared with the 1H NMR spectra of isoharringtonine and its stereoisomers.
2-氧代-6-甲基庚酰基三尖杉碱(3)与0-(1-甲氧基异丙基)羟基乙酸甲酯(4)在强碱性试剂二异丙胺锂存在下,起亲核加成反应,反应中间体5在室温用酸性丙酮水解,得到一种新的三尖杉酯类生物碱一一高异三尖杉酯碱(6c)及其立体异构体(6a、6b、6d)的混合物,产率56%、通过制备薄层层析分得这四个立体异构体,它们的1H NMR和异三尖杉酯碱及其立体异构体的1H NMR类似,推定了它们的绝对构型。
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In this paper an analysis has been made to some regions of magnetosphere, including the Nightside, Cusp and Duskside. By applying the Curvature Radius Method to the magnetic field data measured by four satellites of Cluster, the geometrical structure of Magnetic Field Lines, including the curvature radius, directions of curvature and normal of the osculating planes of the Magnetic Field Lines have been investigated.
本文采用曲率半径分析方法,结合Cluster立体探测的相关知识和背景,利用Cluster立体探测的优势,通过对Cluster 2001年的立体探测数据的研究,分析了磁层各区域的磁力线结构,包括背阳面、Cusp区以及昏侧,得出各区域中磁力线的曲率半径大小,曲率矢量以及磁力线密切面的法线矢量的方向。
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The invention discloses the anti-fake method by using the 3D stereoscopic icon, which can show 3D stereoscopic icons and hide the confidential image information in the 3D stereoscopic icons, comprising the following steps of: obtaining parameters, inputting confidential images and grey images; then using a visual divided storage method to build n visual divided storage images, using a 3D stereograph method to build n 3D stereoscopic images, adjusting the sizes of the n visual divided storage images and the n 3D stereoscopic images and dividing the n visual divided storage images and the n 3D stereoscopic images into a plurality of basic blocks; finally random choosing the basic blocks in the corresponding positions in the visual divided storage images or the 3D stereoscopic images to build n 3D stereoscopic and visual divided storage icons, etc.
为了既能三维立体显示图标,又能在三维显示的图标中隐藏秘密图像信息,本发明公开了利用三维立体图标防伪的方法,包括获取参数,输入秘密图像和灰度图像;然后利用可视分存方法构造n幅可视分存图,利用三维立体画方法构造n幅三维立体图,调整所述n幅可视分存图和所述n幅三维立体图大小并分成多个基本块;最后随机选取可视分存图或三维立体图中相应位置处的基本块,构造n幅三维立体可视分存图标等步骤。
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On stereoscopy, the paper resolves the problem of stereoscopy in VR application. From theory to practice, the paper discusses stereoscopic organization of physical and computer rendering, introduces familiar stereoscopic system, especially dual channel system.
按照从理论到实践的思路,从生理机制、计算机绘制机制介绍了立体显示原理,介绍了常见的立体显示系统尤其是双输出立体显示系统,之后从视觉生理、视觉几何和心理等角度分析了显示效果的影响因素,并提出了相应的措施,最后在OpenGL、WTK和3Dmax等平台实现了立体显示。
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The changes were observed and anlysised. Results In the normal days and after operation, the far distance binocular vision and near distance stereoacuity were no significant difference between 14 cyclic esotropia cases and normal. In 16 cases of consecutive esotropia, 12 cases had no binocular vision before operation, and after operation, simultaneous perception were acquired in 16 cases (100%), fusional power in l6 cases (100%) while the range of fusion was lower than normal, far distance stereoscopic vision in 10 cases (62.5%), near distance stereoscopic vision in 8 cases (50%).
观察术前、术后的远双眼视觉,近立体视锐度变化:结果 14例周期性内斜视患者术前正位日及术后远双眼视觉及近立体视锐度与正常人群相比无显著性差异。16例恒定性内斜视术前12例(75%)无双眼视觉,术后16例(100%)具有同时知觉能力,16例(100%)可获得融合力,但融合范围低于正常人群。10例(62.5%)获远立体视,8例(50%)获得不同程度近立体视。
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Based on the analysis of the principle that stereoscopic images reappear by lenticular sheets ,we made a research of naked-eye stereoscopic display on LED,and analyzed the main factors that affected the visual result,and put forward calculational method of stereoscopic viewing area and the best viewing distance.
在分析柱透镜阵列再现立体影像原理的基础上,对LED显示屏的裸眼立体影像进行了探索和研究,并分析了其影响视觉效果的重要因素,提出了立体观察区域及最佳观看距离的计算方法。为裸眼立体大屏幕LED显示屏的发展进行了系统性的基础研究
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Stereo display of 3D model in Vega environment is realized through EON ICATCHER system by programming, which applying principles of stereo display, namely parallaxes, adopting negative parallaxes and the Quad-Buffered Stereo function of OpenGL.
利用立体显示原理,即双目视差原理,采用双目视差中的负视差,并通过OpenGL的四组缓冲立体(Quad-Buffered Stereo)功能,编程实现Vega环境下的三维模型在EON ICATCHER立体投影系统中的立体显示。
- 推荐网络例句
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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.
最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。
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Only person height weeds and the fierce looks stone idles were there.
只有半人深的荒草和龇牙咧嘴的神像。
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This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.
这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。