查询词典 motion-picture camera

An analysis on camera critical motion is given and a conclusion is proposed which clarifies that the critical motion is decided by the ambiguities of the absolute quadric.

通过对相机的临界运动进行分析，指出了相机运动的关键性在于绝对二次曲面求解的模糊性这一结论。

In the system, a 2D motion model is established on the image plane of the static camera to predict the position of the object by Kalman filter, then by using homography relation, the predicted position of object can be obtained on the image plane of the dynamic camera.

系统在静态摄像机的图像平面上建立目标的2D运动模型，采用卡尔曼滤波实现目标位置的预测，由单应性关系求出动态摄像机图像平面上对应目标的预测位置，然后计算摄像机动态平台的旋转角度，实现对动态平台的伺服控制。

A new algorithm is presented to determine infinite homography matrix and camera intrinsic matrix parameters under one camera motion set from the matched-point sets on two orthogonal planes.

摘要论述由位于正交平面上的特征点对集合复原无穷远单应性矩阵和摄像机内参数的新算法。

Furthermore, a motion estimation technique for sequential thermal images is presented which measures the parameters of global motion in the image plane due to zoom and pan of the camera or the process of the vehicle, and a motion compensation interpolation technique is also presented which can compensate the global motion. The algorithm is based on a three-parameter model for motion description, and some improyement is given in this method. Good results are shown in the computer simulation experiments.

在研究了帧内编码的情况后，本文进一步分析了序列图象的特点，并对由摄象机运动和车辆行进所造成的全局运动进行了运动估值和补偿研究，对现有的三参数估值算法进行了分析和改进，推导出热图的序列图象的平移及缩放的运动估值与补偿的公式，通过计算机模拟进行了全局运动的估值和内插实验，获得了较好的结果。

This system included s light micro-scope to magnify the image of the micro-structure and project the image of the CCD camera; froze the high speed motion station of micro-structure based on stroboscopic principle to get a serial of dynamic images; and used the optical algorithm based on label field and neighborhood optimization method to motion estimation for sequential images of micro-structures to obtain dynamic characteristics parameters.

系统包括：利用光学显微镜来实现微结构的放大，并将图像投影到CCD摄像机上；基于频闪成像原理来冻结微结构的高速运动状态，获取一系列动态图像序列；基于提出的标号场和邻域优化法相结合的光流算法对微结构的运动序列图像做运动估计，获取其重要动态特性参数。

To five-parameter camera model, we discuss how to compute the intrinsic parameters, pose and motion parameters of the camera from 5 control points and their image points when the camera intrinsic parameters are unknown and variable during the motion.

针对五参数摄像机模型，讨论了摄像机在运动过程中其内参数是未知的且可以发生变化时，如何通过5个控制点以及它们的图像点，来求解所对应的内参数、方位以及运动参数。

In comparison with a pushbroom aerial camera, a TDI CCD pendular aerial camera has a larger angle of view, but it has the problem of image motion in the direction of pendulum swing.

基於TDI CCD的航空相机通常工作於推扫方式，介绍了一种新型TDI CCD全景式航空相机。

In order to learn the effect of the random perturbation on imaging quality of the camera during the motion,the process of the dynamic imaging of the camera is analyzed,and the modulation transfer function of the camera is obtained.Then,the influence of the random perturbation,which submits to normal distribution or changes sinusoidally,is studied respectively.

为了描述航天相机运动过程中随机扰动对成像质量的影响，通过分析相机动态成像过程，得到了存在扰动时相机的调制传递函数，并分别讨论了服从高斯分布和具有正弦规律变化的随机扰动对像质的影响。

Uses the literature and comparative analysis of high-speed camera and so on, adopted Germany SIMI-motion video analysis system to analyze the technical characteristics of hammer throw athletes between the champion Miankewa and bronze medal Zhang Wenxiu in 29th Olympic Games, and to find the difference between these two athletes. The recommendations for future training of Zhang Wenxiu were provided in the end of this paper.

运用文献资料、高速摄像和对比分析等方法，采用德国SIMI- moTion 录像解析系统对获得第29 界奥运会女子链球冠军的米安科娃和季军的张文秀的旋转阶段各时相的技术特征进行运动学解析，旨在找出张文秀与米安科娃在旋转技术上的差距，并提出有针对性的建议，为张文秀今后的训练提供理论依据，为提高我国链球运动的水平提供参考。

The second part of this thesis mainly research on solving the uncalibrated P5P problem when the camera intrinsic parameter is unknown and it is changeable in the camera motion.

在第二部分中，主要研究：摄像机内参数未知且在运动中可以变化的未标定P5P问题的求解。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。