The rotation eliminated platform of camera designed in this paper is able to isolate the rotational motion of missile, clearing and steading the collected images. 本文设计的摄像头消旋平台能够隔离弹体的旋转运动,使摄像头采集回来的图像清晰稳定。
Analysis of image rotation for sweeping aerial camera with CCD area array 摆扫式面阵CCD航空相机的像旋转分析
Object rotation, camera movement, rotation, and zoom 对象旋转、摄像机移动、旋转和缩放
Measurement of particle rotation in CFB riser with high-speed digital video camera technique 高速数字摄影应用于流化床内颗粒旋转特性的测试
Extrinsic parameters ( rotation matrix Rand translation vectort) derived from camera calibration were used to combine multiple views from different cameras into complete information on the same system of co ordinates. 利用摄像机定标获得的摄像机外参数即旋转矩阵R与平移向量t,将不同摄像机拍摄到的物体不同侧面,拼接到同一世界坐标系下。
Information Consideration in the Design of Rotation Mirror High Speed Camera 转镜高速摄影机设计中的信息量问题
Missdistance Error due to Rotation in Multiple CCD Butting Camera 多CCD拼接相机系统中靶面的旋转误差
Camera initiative information ( pure rotation) based camera self-calibration; 基于摄像机主动信息(纯旋转)的自标定;
Experimental results show that the method can achieve effective face tracking under the condition of camera rotation in horizontal direction or camera translation in vertical direction, variety of illumination, movement of head, similar color distribution of background and face region. 实验结果表明,算法在摄像机转动、仰俯、光线变化、人头晃动以及背景颜色分布与人脸近似等情况下均可完成有效跟踪。
A new servo system using industrial personal computer ( IPC) to precisely control the displacemeat and rotation velocity of the camera is presented and manufactured. 本文提出并研制了一种采用工业控制计算机(IPC)精确控制摄像头位置与旋转速度的伺服系统。
The main results are: Assuming the camera undergoes two sets of translations, of which the corresponding rotation axes of camera are not parallel, then Euclidean geometry of a scene can be reconstructed linearly from four point correspondences. 当摄像机作两组平移运动时,若在两组平移运动之间摄像机具有不同的姿态,则从4对图像对应点可以线性地重建场景的欧氏几何。
By image process and analysis such as mathematical morphology filtering, boundary tracking, line-simplification, we can orientate the precise characteristic point of the frame. And we use the orthonormal peculiarity of the rotation matrix of camera imaging model to get the equations with interior parameters. 结合图象形态学滤波、边界跟踪、曲线拟合等图像处理和分析方法将标定物的角点准确定位并建立对应关系,利用摄像机成像模型中坐标旋转矩阵的正交特性推导出内部参数求解方程。
Measurement of rotation speed of high-speed rotating-mirror camera 高速转镜相机转速测量的同步传感系统
At last, using the orthonormal property of the rotation matrix and the relation among the parameters from transformation matrices, a comparatively more simple method is used to decompose and derive the camera parameters from the projection matrix. 并利用旋转矩阵的正交性和摄像机参数间的约束关系,采用一种简单的计算方法从投影矩阵中分解求出摄像机参数初值。
It needs two characteristic points in the scene and controlling the plate do two translations and two rotations of camera plate to calculate rotation matrix and translation vector of hand-eye relation based on the correspondence between images after the camera movement. 需要场景中两个特征点,通过控制摄像机运动平台的做两次平移和两次旋转运动,即可通过图像之间的对应关系求出手眼关系的旋转矩阵和平移向量。
Image geometric based degradation includes image affine transform ( i.e. translation, scale, rotation, clip and so on.) and the nonlinear distortion of the camera. 图像的几何退化主要包含图像的仿射变换(旋转、平移、尺度缩放、剪切、拉伸)和摄像机的非线性畸变等。
Firstly the thesis uses the relative rotation between two cameras to calculate the unified camera rotation relative to the unified the world coordinate system. 首先利用两两相机之间的相对旋转关系,求出每个相机针对统一世界坐标系的旋转关系。
In three-dimensional calibration, the rotation matrix R and vector T are use to contact the two camera. 在立体标定中,利用旋转矩阵R和平移向量T来联系左右摄像机。
Under the assumption that all the camera intrinsic parameters have been known, we focus on the calibration of camera extrinsic parameters, including the relative rotation matrix R and translation vector between the camera coordinate system and the world coordinate system. 在假定摄像机内参数已标定的情况下,标定摄像机外部参数包括摄像机坐标系相对于世界坐标系的旋转矩阵R和平移矢量T,即估计摄像机姿态。
This method of a standard heart model fixed on the precision rotary table, and then shoot the heart model with the rotation of the rotary table with multiple images of a calibrated internal reference matrix digital camera. 该方法将一个标准心脏模型固定在精密旋转台之上,然后用一部标定内参矩阵的数码相机拍摄该心脏模型随旋转台旋转一周的多幅图像。
Describes the object translation, rotation, scaling the basic coordinate transformation methods, and use the keyboard to control the camera to achieve roaming within a scene of arbitrary methods. 介绍了物体的平移、旋转、缩放的基本坐标变换方法,以及使用键盘控制摄像机实现场景任意内漫游的方法。
The method is simply and accurate highly. 4. A method of online calibration of camera with changeable extrinsic parameters is proposed, based on the knowledge of quaternion and real time control of rotation of camera using DSP. 以四元数的理论知识为基础,在DSP系统实时控制云台旋转的基础上,提出了一种变外参摄像机在线标定的方法。
Furthermore, the relationship between the speed of the camera rotation and the change of image feature points is firstly analyzed based on camera model and the kinematic restriction of the pan-tilt platform. 随后,本文分析了摄像机运动与图像特征点变化的运动学关系,并结合云台摄像机的运动约束简化了该模型。
The single camera calibration is derived the internal parameter matrices, distortion coefficient, the rotation matrix R and peace move vector T. The first two constitute the camera intrinsic parameters; R and T constitute the object position and direction of the camera parameters. 单个摄像机的标定是分别求出它们的内参数矩阵、畸变系数、旋转矩阵R和平移向量T,前两者构成了摄像机的内参数,R和T构成了物体位置和方向的摄像机外参数。
The whole system is mainly composed of four parts: using Pub/ Sub star structure to join three subsystems, acquiring target, tracing moving object and controlling rotation of camera. 整个系统主要研究四个方面,以发布/订阅的星型结构连接三个子系统、获取目标、跟踪日标、控制采集摄像头。
The image data is collected by monocular camera, and analyzed to calculate the position of moving object. The real-time tracking of the moving object is performed by controlling the rotation of camera. 通过发布订阅中间件搭建分布式的视觉跟踪系统,采用单摄像头采集图像,经过分析处理,计算出运动物体的相对位置,同时控制摄像头转动,对运动物体进行实时追踪。