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    • 91. 发明申请
    • SYSTEM, METHOD AND APPARATUS FOR UNSUPERVISED ADAPTATION OF THE PERCEPTION OF AN AUTONOMOUS MOWER
    • 不自觉地适应自动门的感觉的系统,方法和装置
    • US20130190965A1
    • 2013-07-25
    • US13738155
    • 2013-01-10
    • HONDA RESEARCH INSTITUTE EUROPE GMBH
    • Nils EINECKEMathias FRANZIUS
    • A01D34/00
    • A01D34/008A01B69/001A01D34/00A01D34/04
    • The present invention presents a method and system for an autonomous mower attached with a camera, wherein the control of the parameters of the camera and the control of the mower movement and grass detection are optimized holistically during operation. The present invention mitigates the camera sensing limits by adapting the movement speed of the mower. Furthermore, the camera control optimizes the visibility of grass by using the grass mask of a grass segmentation to calculate updated exposure, gain and aperture values only from grass pixels. The grass segmentation tracks changes in the grass color that are caused by illumination differences. Optionally, the system is equipped with a head light used to further improve the camera signal quality in conjunction with the control of the camera parameters and the movement speed of the mower.
    • 本发明提供了一种附有照相机的自动割草机的方法和系统,其中在操作期间对照相机的参数的控制以及割草机运动和草地检测的控制被整体地优化。 本发明通过适应割草机的移动速度来减轻相机感测限制。 此外,相机控制通过使用草分割的草坪来优化草的可见度,以仅从草像素计算更新的曝光,增益和光圈值。 草分割跟踪由照明差异引起的草色变化。 可选地,该系统配备有头灯,用于结合照相机参数的控制和割草机的移动速度进一步提高摄像机信号质量。
    • 93. 发明授权
    • Vision guidance system and method for identifying the position of crop rows in a field
    • 视觉指导系统和方法,用于识别场中作物行的位置
    • US07904218B2
    • 2011-03-08
    • US11678548
    • 2007-02-23
    • Todd JochemParag BataviaMark Ollis
    • Todd JochemParag BataviaMark Ollis
    • G05D1/00G06F19/00
    • A01B69/001A01D41/1278G05D1/0246G05D2201/0201
    • A system and method of identifying a position of a crop row in a field, where an image of two or more crop rows is transmitted to a vision data processor. The vision data processor defines a candidate scan line profile for a corresponding heading and pitch of associated with a directional movement of a vehicle, for example, traversing the two or more crop rows. The candidate scan line profile comprises an array of vector quantities, where each vector quantity comprises an intensity value and a corresponding position datum. A preferential scan line profile in a search space about the candidate scan line profile is determined, and the candidate scan line profile is identified as a preferential scan line profile for estimating a position (e.g., peak variation) of one or more crop rows if a variation in the intensity level of the candidate scan line profile exceeds a threshold variation value.
    • 一种识别场中裁剪行的位置的系统和方法,其中两个或多个裁剪行的图像被发送到视觉数据处理器。 视觉数据处理器定义与车辆的定向运动相关联的相应航向和俯仰的候选扫描线轮廓,例如穿过两个或更多个作物行。 候选扫描线轮廓包括矢量数组,其中每个矢量包括强度值和对应的位置数据。 确定关于候选扫描线轮廓的搜索空间中的优选扫描线轮廓,并且将候选扫描线轮廓识别为优选扫描线轮廓,用于估计一个或多个裁剪行的位置(例如,峰值变化),如果 候选扫描线轮廓的强度级别的变化超过阈值变化值。
    • 97. 发明申请
    • Process and steering system for the automatic steering of an agricultural vehicle
    • 用于农用车辆自动转向的过程和转向系统
    • US20050102079A1
    • 2005-05-12
    • US10973863
    • 2004-10-26
    • Jurgen HoferManfred BohnerThorsten Freichel
    • Jurgen HoferManfred BohnerThorsten Freichel
    • A01B69/00A01D41/127B62D6/00
    • A01D41/1278A01B69/001
    • An automatic steering of an agricultural tractor on a surface of a field to be processed is accomplished by equipping the tractor with a camera for taking a picture of a region of the field, which is in front of the tractor, including the surface that is to be processed, generating a pixel data file from a picture signal of the camera, generating texture information with respect to the texture of the surroundings of the pixels contained in the data file, classifying the pixels of the pixel data file while considering the texture information, in order to generate a binary information as to whether or not a particular pixel is to be associated with the surface that is to be processed, generating a steering signal based on the results of the classification, and repositioning the steering device of the harvesting machine according to the steering signal so that the machine is steered automatically along the surface that is to be processed.
    • 农用拖拉机在待处理场的表面上的自动转向是通过将拖拉机装备在摄像机上的摄像机来实现的,该相机用于拍摄拖拉机前面的场地区域,其中包括: 从相机的图像信号生成像素数据文件,生成关于包含在数据文件中的像素的周围纹理的纹理信息,同时考虑纹理信息对像素数据文件的像素进行分类, 为了生成关于特定像素是否与要处理的表面相关联的二进制信息,基于分类的结果生成转向信号,并且根据收集机的转向装置重新定位 转向信号,使得机器沿着要被处理的表面自动转向。
    • 98. 发明授权
    • Contour scanning apparatus for agricultural machinery
    • 农业机械轮廓扫描仪
    • US06389785B1
    • 2002-05-21
    • US09543323
    • 2000-04-05
    • Norbert DiekhansJochen Huster
    • Norbert DiekhansJochen Huster
    • G06F16500
    • A01B69/008A01B69/001G01S7/497G01S17/88G01S17/89
    • A device on a mobile agricultural machine for contactless scanning of contours extending over the ground, such as the contour of a swath of crop material. In this case there is used a laser distance measuring device consisting of a laser beam transmitting and receiving device which determines the distance from a contour point by measuring the running time of a laser scanning beam emitted and reflected at the contour point. The laser scanning beams are pivoted within a certain angular range stepwise or continuously in a scanning beam plane. In this case the laser distance measuring device is mounted with an orientation on the agricultural machinery such that the scanning beam plane is inclined to the ground at an acute angle forwards in the direction of travel. With the aid of an analyzer, the position of the contour point corresponding to each pivot angle, based upon the measured distance and the arrangement and orientation of the laser distance measuring device on the agricultural machine, can be determined.
    • 移动农业机器上的设备,用于对地面上延伸的轮廓进行非接触扫描,例如作物材料的轮廓。 在这种情况下,使用由激光束发射和接收装置组成的激光距离测量装置,其通过测量在轮廓点处发射和反射的激光扫描光束的运行时间来确定与轮廓点的距离。 激光扫描光束在扫描光束平面内逐步或连续地在一定角度范围内枢转。 在这种情况下,激光距离测量装置在农业机械上安装有取向,使得扫描光束平面在行进方向上以锐角向前倾斜于地面。 借助于分析仪,可以基于测量的距离以及农业机器上的激光距离测量装置的布置和取向来确定对应于每个摆动角度的轮廓点的位置。
    • 99. 发明授权
    • Vision-based crop line tracking for harvesters
    • 基于视觉的收割机作物线跟踪
    • US5911669A
    • 1999-06-15
    • US840771
    • 1997-04-16
    • Anthony StentzMark OllisKerien FitzpatrickRegis HoffmanWilliam Whittaker
    • Anthony StentzMark OllisKerien FitzpatrickRegis HoffmanWilliam Whittaker
    • A01B69/00A01D41/127G06F15/20
    • A01D41/1278A01B69/001
    • A self-propelled harvester is provided with apparatus for tracking a crop line and steering the harvester along the crop line without operator assistance. The apparatus includes a video camera for viewing the landscape in front of the harvester and forming an image which may be electronically scanned pixel-by-pixel and line by line to produce a video signal containing information regarding the spectral characteristics of the image at each pixel. A microprocessor is programmed to act as a discriminator and a segmentor. The discriminator produces discriminant signals D(i,j) where i is the magnitude of a discriminant function and j is the relative position of a pixel on a scan line. The segmentor determines a step function which best fits the magnitudes of the discriminant signals for one scan line. The pixel position j.sub.n corresponding to the step of this step function is taken as a vote on the location of the crop line and thus a vote on the direction the harvester should be steered. The votes are summed for each pixel position j over one full scan of image. The summed votes are then normalized, time-weighted, and averaged with the normalized and time-weighted votes derived from previously scanned images to derive a steering command.
    • 自走式收割机具有用于跟踪作物线并且在没有操作者帮助的情况下沿着作物线转向收割机的装置。 该装置包括摄像机,用于观看收割机前面的景观,并形成可以逐像素地并行逐行扫描的图像,以产生包含关于每个像素处的图像的光谱特性的信息的视频信号 。 微处理器被编程为用作鉴别器和分段器。 鉴别器产生判别信号D(i,j),其中i是判别函数的幅度,j是像素在扫描线上的相对位置。 分段器确定最适合一条扫描线的判别信号的幅度的阶梯函数。 将与该步骤功能相对应的像素位置jn作为对作物线的位置的投票,从而对收割机的方向进行投票。 在图像的一次完整扫描中对每个像素位置j求和。 然后将总和投票进行归一化,时间加权,并使用从先前扫描的图像导出的归一化和时间加权投票来平均,以得出转向指令。
    • 100. 发明授权
    • Reflex locating device
    • 反射定位装置
    • US5715666A
    • 1998-02-10
    • US613045
    • 1996-03-08
    • Jochen HusterNorbert DiekhansHelmut Homburg
    • Jochen HusterNorbert DiekhansHelmut Homburg
    • A01B69/00A01D41/127A01D41/12B62D5/00
    • A01B69/001A01D41/1278
    • A reflex locating device on an agricultural machine or the like, in particular a harvested material edge locating device, has a transmitter and a receiver with a locating beam region oriented on the agricultural machine so that it is slightly inclined toward the ground and, when the grain edge side position is correct, detects a part of the standing grain in front of the harvesting mechanism and detects with a remaining part the stubble field. The locating device for this purpose is arranged at a distance above the grain, and the locating beam region is oriented substantially perpendicular to the harvesting mechanism and detects inclinedly from above partially the grain field and partially the stubble field.
    • 农业机械等上的反射定位装置,特别是收割材料边缘定位装置,具有发射器和接收器,定位梁区域定位在农业机器上,使得其朝向地面略微倾斜,并且当 颗粒边缘侧位置正确,检测收获机构前方的一部分站立谷物,并用剩余部分检测茬场。 用于此目的的定位装置布置在谷物之上一定距离处,并且定位梁区域定向成基本上垂直于收获机构,并且从上方部分地倾斜地从晶粒区域部分地检测残留场。