In order to detect moving infrared dim and small target, a novel high-order cumulant projection algorithm was proposed. 为检测弱小红外运动目标,提出了一种基于高阶累积量投影的检测算法。
A Novel Ground Moving Target Detector in Dual-channel SAR Images Based on Adjacent Average and Orthogonal Projection 基于邻域平均和正交分解的双通道SAR图像域慢动目标检测方法
The cover is the moving satellite ′ s projection to the surface of the earth. 卫星覆盖是卫星运动在地球表面的投影。
Firstly, the horizontal position of moving object is detected based on the horizontal projection of the edge of the difference images. Then, color information is used to detect face at the moving region. 首先采用运动检测分析方法,根据多帧差分图像中运动物体边缘点的水平投影确定目标的水平位置,并结合肤色检测算法进一步确定人脸位置,然后用训练好的支持向量机进行人脸验证。
Keep the objects not moving, by changing the direction of the laser projection, we can get a series of curve texture on the object. 保持被摄物体位置不改变,通过改变激光器的投射方向,在物体表面不同位置得到一系列特征曲线纹理的同时也得到一组连续像对。
In the scenario of moving objects detection and retrieval under a dynamic background, an improved method was presented based on gray projection algorithm. 其次,在动态背景下运动目标的检测与提取方面,文章给出了基于灰度投影的一种改进算法。
A novel recursive subspace method is developed based on fixed length moving window ( FLMW) projection approximation used for estimating the modal parameter of linear time-varying structural system. 给出了一个新的用于线性时变参数结构系统模态参数识别的基于固定长度平移窗投影估计的递推子空间方法。
Equations for the projections of various vectors onto the moving nxes and the unknown quantity and its projection in the moving coordinate system is found thereby. 在此基础上,列出各矢量在动坐标轴上的投影方程,并求出未知量及未知量在动坐标系中的投影。
In the paper two directions coefficient of the object in video auto-tracking system's converter plane coordinate were defined: the object moving direction coefficient and the lineal direction coefficient, it combines the object projection with the object moving trail; 定义目标在视频自跟踪系统传感器平面中心坐标系中的目标运动方向和法线方向的两个方向数,把目标投影与目标运动弹道联系起来;
An automatic-tracking system of moving objects based on projection algorithm 一种基于投影算法的运动目标自动跟踪系统
First, this algorithm is adopted to predict and update the complex image background, and then the moving object is segmented by current frame difference from predicted background. And at last the gray projection algorithm is used to calculate the centroid of detected object. 首先用该算法对复杂背景进行更新预测,然后用当前帧图像与预测背景差分提取动目标,最后用灰度投影算法计算出目标的质心。
This thesis proposes a method based on Moving Least-Squares to generate the fringe tangent orientation and gives an improving joint space-image subspace projection method with curve windows along the fringe tangent orientation through the combination of the fringe tangent orientation and the estimation method. 提出采用移动最小二乘法拟合条纹方向图,并将条纹方向图与正交投影法相结合,得出改进的沿条纹方向的正交投影估计方法。
Optical flow field represents the motion information of the moving object. It is a two-dimensional ( 2D) instant velocity field based on a corresponding 2D image, of which the velocity is the projection in a plane from a three dimensional velocity. 光流场表征了运动目标的速度信息,是一种基于平面图像的二维(2D)瞬时速度场,二维速度是物体上可见点的三维速度在成像平面上的投影。
The characteristic of this technique is the X-ray source and detector moving synchronously during projection acquisition and it can reconstruct an arbitrary slice from several projections in limited angle. 其特点是投影采集过程中X射线源与探测器做同步反向运动,只需要在有限角度下取少量投影即可回顾性地重建出物体任意断层的图像。
The system is divided into five important module of visual simulation, moving human target detection, behavior recognition, interaction, audio effects etc. Finally we complete the wall projection interactive system based on infrared. 该系统细分为视景仿真、运动人体目标检测、行为识别、场景交互、音频特效等五个重要模块,最终完成基于红外的墙面投影交互系统。
With the development of the 3D reconstruction, up to the present there have been many algorithms, including the outline reconstruction surface method, Cuberille method, moving cube method, the ray projection method and the track method. 三维重建发展至今已经有很多算法,包括轮廓重建表面法、Cuberille方法、移动立方体法、光线投射法、足迹表法。