Pinhole camera

The method of pinhole camera which is set up at the cone of a projectile , can record the yaw-time curve directly by a frequency-flash parallel light .

用在弹头上安装针孔照相机的方法，并借助一个频闪平行光源，能够直接记录攻角&时间变化曲线。

Estimation of signal intensity for online measurement X-ray pinhole camera

实时测量的X射线针孔相机信号强度估算

Second , various error sources are analyzed based on pinhole camera model .

其次针对摄像机透视投影的针孔模型，分析三维重建误差的主要来源。

Then , the remaining camera parameters can be calibrated according to the pinhole camera model .

然后，按照小孔模型标定出其余摄像机参数。

The signal intensity was estimated for on-line measurement X-ray pinhole camera with CCD as measurement equipment .

对用X射线CCD作测量设备的在线针孔相机信号强度进行了估计。

Our main focus is on dealing with the pinhole camera model with either constant or varying intrinsic parameters .

文中重点介绍了透视模型下的几种重要的自标定方法，包括内参数恒定和内参数可变两种情形；

Various error sources of binocular stereo system are analyzed based on pinhole camera model for estimation of the depth error .

基于摄像机透视成像的针孔模型，分析了立体视觉中摄像机标定和三维重建过程的主要误差来源。

Development of Pinhole Camera

针孔相机的研制

The camera is calibrated based on the pinhole camera model , and the affection factors of calibration error are analyzed .

本文采用针孔摄像机模型对于系统进行横向标定，并对标定结果的误差进行了分析。

It is proved by PC test that the approach could meet real-time requirement . Subsequently , a pinhole camera model is used to estimate the inter-vehicle distance .

在PC机上的测试证明，该方法可以满足实时性要求。在确认了该区域存在车辆之后，利用单目视觉原理中的摄像机针孔成像模型进行车距测量。

In order to estimate the position and orientation of an object with a single camera , a novel measurement method based on pinhole camera model with five reference points is presented .

本文在五个特征点的基础上提出了一种基于小孔成像摄像机测量模型的单摄像机姿态测量方法。

In this paper , a transform algorithm of Motion Vector Field ( MVF ) is proposed to revise the deformed motion vector based on the pinhole camera model .

本文基于针孔摄像机模型，提出一种运动向量场变换算法，提高基于运动向量场特征分析网球视频的性能。

It is fitted out with a high-definition pinhole camera and an eavesdropping device that can listen into and record a room full of people .

这个杯盖配备了高分辨率的针孔摄像机以及可以监听并记录整间屋子里所有人声音的窃听设备。

Lawrence Weschler First recorded mention of principles behind pinhole camera obscura : Mozi , Chinese philosopher ( 470-390 B.C. )

首个提到针孔相机原理的人：中国哲学家墨子（公元前470年至公元前390年）

The X - ray pinhole camera ( sPHC ) used on Shenguang I ( ISG - II ) laser facility have been developed .

研制了用于神光II激光装置的X光针孔相机。

The mechanism of x - ray emission in hohlraum targets was experimentally studied with three soft x-ray energy spectrometers and a pinhole camera . The principal mechanism of x-ray emission was given .

介绍了首次利用三台亚千X光能谱仪和一台针孔相机研究腔靶内爆区X光发射机制，实验结果表明内爆区X光发射主要是壁X光面发射。

The kit also includes a wireless pinhole camera that operates inside a dropped ceiling , a relay that extends the range of a wireless camera , and a long-range infrared camera .

套件箱包含一个无线针孔摄像机放在吊顶里面，还有一个扩展无线摄像机的摄像范围的继电器，也有一个远程红外摄像机。

In virtual scene building-up , the virtual camera we used is pinhole camera , but the real camera with electromechanical tracking system behaves unlike the pinhole camera mounted at a fixed point .

在虚拟场景生成中，虚拟摄像机一般是小孔相机，但是带有机电跟踪系统的真实摄像机与在固定位置的小孔相机的运转是不同的。

In addition , we show that if the distortion factor in the pinhole camera model is null , then the fundamental matrix can be linearly determined by only these 4 coplanar correspondences .

另外，如果摄像机不是5参数模型（完全针孔模型），而是4参数模型（畸变因子为零），则此时仅使用该4对共面对应点即可线性确定基本矩阵。

The main contents are follows : In this thesis , we first introduce some basic theories of multiple view geometry , such as homogeneous coordinates , projective geometry , pinhole camera model , two-view geometry etc.

论文首先介绍了与本论文工作相关的多视图几何的一些基本理论，如齐次坐标，射影几何，摄像机针孔模型，两视图几何等；

At the beginning , the basic theory of plane measurement ? some basic elements in planar projective geometry , including 2D protective plane , homogeneous coordinates and homography are introduced . The pinhole camera model and the basic algorithm of image measurement are discussed .

首先介绍了平面测量问题的理论基础&平面射影几何的一些基本元素：射影平面，齐次坐标，平面单应等，接着讨论了摄象机针孔模型以及基于图象的平面测量基本原理。

In order to simplify stereo matching and depth calculation , a virtual cylindrical camera satisfying the pinhole camera model is established . By this way , the usual binocular vision technique can be used to extract depth information form cylindrical panoramic stereo image pair .

为了简化全景立体图像对的匹配和深度计算，建立了满足针孔成像模型的虚拟柱面相机，使通常的双目视觉算法适用于柱面全景图像对的深度信息提取。

The pinch was driven by a 350 kA peak current , 80 ns 10 % ~ 90 % rise time . By means of pinhole camera and X-ray diagnostics technology , a non-uniform plasma column is formed among the wires and soft X-ray pulse are observed .

在峰值为350kA，上升沿约80ns的电流作用下，使用针孔成像技术和X射线诊断技术，获得多钨丝等离子体融合图像及相应的软X射线辐射信号。

The analysis and results are based on calibration of a pinhole model camera system .

欲利用摄影机进行电脑视觉量测时，首先要进行的第一步便是摄影机参数校正。

Drivers which position control and servo driving function was integrated was used as control driving component , rough locating was set up with laser bean . Flexible butt-joint assembly for precise flange in long and narrow space was realized with pinhole pickup camera .

用集成了位置控制和伺服驱动功能的驱动器作为控制驱动元件，利用激光束进行粗定位，针孔摄像机实现狭长盲视空间精密止口人工柔顺可视对接。

To pinhole model of camera imaging , this paper provides an improved method of model for solution of internal and external parameters in model .

针对摄像机成像的针孔模型，本文给出了一种改进的求解模型内外参数的方法。

The set-up of pinhole model of the camera , the once and twice calibration of the sensor and the real time image collection and processing are described .

主要研究了摄像机针孔模型的建立、测量传感器的一次标定和二次标定；