查询词典 homography

A set of linear constraints on the camera intrinsic parameters is then derived by means of homography matrix.The camera is then linely calibrated.

这种定标方法最大的缺点就是：需要一高精度的标定参照物，并且在很多实际应用中难以实现。

The object matching on two image planes of the two cameras is achieved by homography relation educed from an approximate camera projective model.

利用由近似的摄像机投影模型导出的单应性关系，实现两个摄像机图像之间的目标匹配。

Based on the principle of reconstruction from two views, the process of getting homography matrix is improved, and better effect can be obtained after mapped the rectified texture which origins from the images to the part models reconstructed.

基于两视图重建的基本原理，推导出利用多张视图两两拼接进行物体的整体恢复理论并进行实现，也取得了较理想的效果。

Without complex 3D reconstruction processes, the implementation of the pointing system is based on image analysis, homography, and 3D geometry.

此系统避开以往复杂的三维重建方式，改以影像分析技术，平面投影转换及三维几何等数学理论，作为系统实作的基础。

In this work, we found that in the line-correspondence based homography estimation by a DLT-like method, some gross estimation errors could arise under some camera configurations, especially when there exists image line passing through the origin of the image coordinate system.

在研究和实际应用中我们发现，直接线性方法在基于线对应的单应矩阵估计中会出现在某些特殊的摄像机姿态下误差较大的情况。

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。

Having obtained intrinsic parameters, the camera's pose can be computed from the homography between the image plane and the space plane.

摄像机方位是通过计算图像与空间平面间的单应矩阵来确定的。

Camera calibration ; model visualization ; vanishing point ; homography ; visual traffic surveillance

投影参数；模型可视化；消失点；对应矩阵；视觉交通监控

First, under the assumption of a planar scene, the LDV image is globally warped according to a homography to generate the initial distortion correction.

首先，在平面场景的假设下，大位移视点图像通过单应矩阵进行全局变形得到初始的畸变校正。

Then by using homography relation, the prediction of the object position can be obtained on the image plane of the dynamic camera. Finally, after calculating the rotation angle of the dynamic camera plate, we can implement the servo control of the dynamic camera. We also discuss the technical problems of the error compensations of the system.

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运动位置的预测，然后再利用单应性关系，得到在动态摄像机图像平面上对应目标的位置预测，计算动态摄像机平台所要旋转的角度，实现对该摄像机的运动控制，同时也讨论了系统的误差补偿等技术问题。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。