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前方车
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  the leading vehicle
     Study on the Method of Measuring the Leading Vehicle Distance Based on the On-board Monocular Camera
     公路上基于车载单目机器视觉的前方车距测量方法的研究
短句来源
     Method of measuring the leading vehicle distance based on the binocular stereo vision
     基于双目立体视觉的前方车距测量
短句来源
     A new method of measuring the leading vehicle distance using the on?
     提出一种在公路上利用车载单目机器视觉测算前方车距的方法。
短句来源
     On the basis of quick detection of leading vehicle in the road and calibration of cameras,the leading vehicle distance by using the parameters of the cameras and the triangular measure is measured.
     通过对道路前方车辆进行快速探测以及对摄像机进行预先标定,利用摄像机参数和三角测量原理,计算出前方车距.
短句来源
  “前方车”译为未确定词的双语例句
     6. The horizontal offset, yawing angle and interval are calculated, and according to the driving safety model, a decision method to judge the warning level for driver is discussed. And then a vision-based lane departure and rear-end collision warning system in intelligent vehicle is developed in this paper.
     6、计算水平偏移、偏航角和前方车距,选择以本车安全为关键要素的汽车安全行驶模型,设计实现防偏、防碰撞预警的决策方法,并在此基础上设计智能车防偏防撞预警系统。
短句来源
     The algorithm is an improvement of region template correlation tracking. This algorithm can realize matching fleetly and efficiently. Then the parallax of left image and right image is demanded.
     最后以边界确定的区域为模板进行区域匹配,此算法是对区域匹配相关跟踪方法的一种改进,该算法能快速有效的实现匹配,匹配后求出左右两幅图象的视差,在此基础上求出前方车距;
短句来源
  相似匹配句对
     Method of measuring the leading vehicle distance based on the binocular stereo vision
     基于双目立体视觉的前方距测量
短句来源
     Unmanned Ground Vehicles Obstacle Detection Based on Laser Sensor
     基于激光雷达的无人驾驶前方障碍物检测
短句来源
     Buying a Car
     买
短句来源
     Car World
     天下
短句来源
     Intersection Height Measure by Forward
     前方交会高程测量
短句来源
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  the leading vehicle
However, it is shown that the following vehicle accelerates according to the leading vehicle and it maintains the desired distance.
      
In these tests the leading vehicle would be used to enter disturbances to the trailing vehicles.
      
Moreover, among the leading vehicle producers, China is the onlyone showing substantial growth in its production level since 2000.
      
Only one maneuver at a time was allowed in the platoon, and the leading vehicle was responsible for coordinating the actions required.
      
Thanks to its flexibility, the visual tracking system can be modified in order to track directly the back of the leading vehicle.
      
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A new method of measuring the leading vehicle distance using the on?board monocular camera is proposed in this paper Using the theory and method of the computer vision, on the basis ofuick detection of leading vehicle in the lane and calibration of camera A leading vehicle distance evaluating method using only the intrinsic parameters of the camera and projective geometry is discussed The experiment results are presented in the paper

提出一种在公路上利用车载单目机器视觉测算前方车距的方法。利用计算机视觉理论与方法 ,在对行车道内的前方车辆进行快速探测以及对摄像机进行预先标定的基础上 ,探讨仅利用摄像机内部参数和透视投影几何关系 ,计算前方车辆距离的方法。试验结果表明该种方法有效。

According to studying the existing methods of detection vehicle in our country,detection for forward vehicle based on stereo machine vision is presented.First,The probably position of forward vehicle is confirmed by road edge.Then the vehicle image is enhanced.Gray stretch-Binary-Robert operator boundary detection-Binary.Boundary chain trace proceedes aiming at forward result.The boundary chain of vehicle is successful obtained in this process,further the surrounding images information for vehicle is restrained.So...

According to studying the existing methods of detection vehicle in our country,detection for forward vehicle based on stereo machine vision is presented.First,The probably position of forward vehicle is confirmed by road edge.Then the vehicle image is enhanced.Gray stretch-Binary-Robert operator boundary detection-Binary.Boundary chain trace proceedes aiming at forward result.The boundary chain of vehicle is successful obtained in this process,further the surrounding images information for vehicle is restrained.So it is easy to get the precise edge of vehicular bottom half.Finally it needs to match the previous image region based on region template.The algorithm is an improvement of region template correlation tracking.This algorithm can realize matching fleetly and efficiently.Then the parallax of left image and right image is demanded.The forward vehicle distance can be achieved on this basis.It needs to adopt average method to ascertain distance and eliminate error impact.

对国内现有的车辆探测方法进行了大量的研究,提出了一种基于立体机器视觉的前方车辆探测方法;首先根据道路边界确定车辆的大概位置Vehicle_AOI,然后进行图象增强,灰度拉伸———二值化--Robert算子边缘检测———二值化;对上一步的结果进行边界链码跟踪,这一步的结果成功地获得了车辆边缘的链码chain,进一步抑制了车辆周围的图像信息,得到了车辆的下半部分的精确边界;最后以边界确定的区域为模板进行区域匹配,此算法是对区域匹配相关跟踪方法的一种改进,该算法能快速有效的实现匹配,匹配后求出左右两幅图象的视差,在此基础上求出前方车距;再采用平均法确定距离,以消除误差的影响。

Binocular Stereo Vision is the technology to obtain three-dimensional data from a pair of images.In this paper,a new method of measuring the leading vehicle distance using the on-board binocular cameras is proposed.On the basis of quick detection of leading vehicle in the road and calibration of cameras,the leading vehicle distance by using the parameters of the cameras and the triangular measure is measured.The experiment show the method has high precision.

提出了一种在公路上利用车载双摄像机测量前方车距的方法.通过对道路前方车辆进行快速探测以及对摄像机进行预先标定,利用摄像机参数和三角测量原理,计算出前方车距.实验表明该方法具有较高的测量精度.

 
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