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    • 2. 发明申请
    • DISTANCE MEASURING METHOD AND DISTANCE MEASURING APPARATUS
    • 距离测量方法和距离测量装置
    • US20120013714A1
    • 2012-01-19
    • US13260296
    • 2010-03-19
    • Tomonori Masuda
    • Tomonori Masuda
    • H04N13/02
    • G01C3/18
    • Large errors are prevented from being generated in a distance measuring method that employs two imaging means. The distance measuring method includes the steps of: photographing a subject using two imaging means, which are provided with a predetermined baseline length therebetween; and obtaining distance data regarding corresponding points within the photographed pairs of images. A first photography operation is performed with the baseline length at a desired value. Then, n photography operations are performed, while varying the baseline length by L(m+1/n), L(m+2/n) . . . L(m+(n−1)/n) at each photography operation, wherein L is a pixel pitch of the imaging means, m is an arbitrary natural number, and n is an integer greater than or equal to 2. Amounts of parallax within a predetermined range common to each photography operation are extracted by a record judging section, from among the amounts of parallax which are obtained by a parallax calculating section for the n photography operations. The distance data is obtained based on the extracted amounts of parallax.
    • 在使用两个成像装置的距离测量方法中防止产生大的误差。 距离测量方法包括以下步骤:使用两个成像装置拍摄对象,两个成像装置在它们之间设置有预定的基线长度; 并且获取关于所拍摄的图像对内的对应点的距离数据。 执行基线长度为期望值的第一次拍摄操作。 然后,在将基线长度改变L(m + 1 / n),L(m + 2 / n)的同时进行n次拍摄操作。 。 。 L(m +(n-1)/ n),其中L是成像装置的像素间距,m是任意自然数,n是大于或等于2的整数。 从由n次摄影操作的视差计算部分获得的视差量之中,由记录判断部分提取每个拍摄操作共同的预定范围。 基于提取的视差量获得距离数据。
    • 5. 发明申请
    • Phase difference detection method, phase difference detection apparatus, range finding apparatus and imaging apparatus
    • 相位差检测方法,相位差检测装置,测距装置及成像装置
    • US20030164935A1
    • 2003-09-04
    • US10374470
    • 2003-02-25
    • Shiroshi Kanemitsu
    • G01C003/00G01C003/08G01C005/00
    • G01C3/18
    • A phase difference detection apparatus for detecting a phase difference between images formed on a pair of optical sensor arrays in which the possibility of unproductive compensation is reduced by use of a compensation effectiveness judgment unit that judges whether or not compensation of a pair of image data rows would be effective. A compensation unit calculates a compensation amount based on a difference in maximum values and minimum values in a pair of image data rows corresponding to the images produced by the optical sensor arrays and compensates the image data rows by the calculated compensation amount. Based upon the compensated values, a correlation calculation unit carries out a correlation calculation, and a maximum correlation detection unit detects a maximum correlation level. Based upon the maximum correlation level, a interpolation calculation unit carries out an interpolation calculation, and a phase difference is detected by a phase difference detection unit.
    • 一种相位差检测装置,用于检测在一对光学传感器阵列上形成的图像之间的相位差,其中通过使用补偿有效性判断单元来减少非生产性补偿的可能性,所述补偿有效性判断单元判断是否补偿一对图像数据行 将是有效的。 补偿单元基于与由光学传感器阵列产生的图像相对应的一对图像数据行中的最大值和最小值的差来计算补偿量,并通过计算的补偿量来补偿图像数据行。 基于补偿值,相关计算单元执行相关计算,最大相关检测单元检测最大相关电平。 基于最大相关电平,内插计算单元执行插值计算,并且由相位差检测单元检测相位差。
    • 6. 发明申请
    • PASSIVE/RANGING/TRACKING PROCESSING METHOD FOR COLLISION AVOIDANCE GUIDANCE
    • 用于冲突避免指导的被动/范围/跟踪处理方法
    • US20030146869A1
    • 2003-08-07
    • US10194500
    • 2002-07-13
    • Ching-Fang LinDong An
    • G01S005/14
    • G01C3/18G01C21/165G01S5/0284G01S5/04G01S5/16G01S11/12
    • A passive/ranging/tracking processing method provides information from passive sensors and associated tracking control devices and GPS/IMU integrated navigation system, so as to produce three dimensional position and velocity information of a target. The passive/ranging/tracking processing method includes the procedure of producing two or more sets of direction measurements of a target with respect to a carrier, such as sets of elevation and azimuth angles, from two or more synchronized sets of passive sensors and associated tracking control devices, installed on different locations of the carrier, computing the range vector measurement of the target with respect to the carrier using the two or more sets of direction measurements, and filtering the range vector measurement to estimate the three-dimensional position and velocity information of the target.
    • 无源/测距/跟踪处理方法提供来自无源传感器和相关跟踪控制设备以及GPS / IMU集成导航系统的信息,以产生目标的三维位置和速度信息。 无源/测距/跟踪处理方法包括从两个或更多个同步的无源传感器组和相关跟踪产生相对于载波的目标的两组或更多组方向测量的过程,例如高程和方位角的集合 控制装置,安装在载体的不同位置,使用两组或更多组方向测量计算目标相对于载体的距离矢量测量,并且对范围矢量测量进行滤波以估计三维位置和速度信息 的目标。