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    • 2. 发明授权
    • Three-dimensional input device
    • 三维输入设备
    • US06268918B1
    • 2001-07-31
    • US09332969
    • 1999-06-15
    • Hideki TanabeEiichi IdeHiroshi UchinoMakoto MiyazakiKoichi KamonToshio Norita
    • Hideki TanabeEiichi IdeHiroshi UchinoMakoto MiyazakiKoichi KamonToshio Norita
    • G01B1124
    • H04N5/238G01B11/25G06T7/521H04N5/2256H04N5/235
    • An apparatus and method for detecting a three-dimensional image. The apparatus includes a projector which projects a reference light on an object; an image sensor which senses an image of the object; and a controller for controlling the projector and the image sensor, wherein the image sensor includes an aperture that restricts the passage of entering light; and an aperture controller for setting an aperture value for the aperture when receiving a two-dimensional image input, and setting an aperture value for the aperture when receiving a three-dimensional image input. The aperture value is set based on the intensity of received reference light. A processing unit determines the position of the object based on a relationship between an illumination direction of the reference light at the determined time center Npeak and an entrance direction of the reference light relative to the target pixel. A flicker detector detects a change frequency in light received by the image sensor, and the controller controls the image sensor to sense frames of an image at a frequency which is a multiple of the detected change frequency.
    • 一种用于检测三维图像的装置和方法。 该装置包括将参考光投射在物体上的投影仪; 感测对象的图像的图像传感器; 以及用于控制投影仪和图像传感器的控制器,其中图像传感器包括限制进入光的通过的孔; 以及光圈控制器,用于在接收二维图像输入时设置孔径的孔径值,并且在接收三维图像输入时设置孔径的孔径值。 光圈值是根据接收的参考光的强度设定的。 处理单元基于所确定的时间中心Npeak处的参考光的照明方向与参考光的相对于目标像素的入射方向之间的关系来确定对象的位置。 闪烁检测器检测由图像传感器接收的光的变化频率,并且控制器控制图像传感器以以所检测的变化频率的倍数的频率感测图像的帧。
    • 8. 发明授权
    • Distance measuring equipment and method
    • 距离测量设备及方法
    • US06429941B1
    • 2002-08-06
    • US09352346
    • 1999-07-13
    • Koichi KamonToshio Norita
    • Koichi KamonToshio Norita
    • G01B1124
    • G01S17/10G01S7/497
    • A distance measuring equipment and method that measures a distance to an object with high accuracy regardless of the reflectivity of the object is disclosed. The distance measuring equipment includes a transmitter for transmitting pulsed light to the outside, a receiver for receiving the pulsed light reflected by an object in the outside and performing photoelectric conversion and a measuring portion for measuring a time period from the transmission time point of the pulsed light to the reception time point of the reflected light so as to output data of the distance to the object. The measuring portion periodically samples the electric signal obtained by the photoelectric conversion of the receiver and memorize plural instantaneous values at plural time points. Then, the measuring portion determines the time point at the inflection point of the quantity variation of the received light on the basis of the memorized plural instantaneous values so as to generate the data of the distance to the object on the basis of the determined time point as the reception point.
    • 公开了一种距离测量设备和方法,其与物体的反射率无关地以高精度测量到物体的距离。 距离测量设备包括用于将脉冲光传输到外部的发射器,用于接收由外部物体反射的脉冲光并执行光电转换的接收器,以及用于测量从脉冲的传输时间点开始的时间段的测量部分 照射到反射光的接收时间点,以输出到对象的距离的数据。 测量部分周期性地对通过接收机的光电转换获得的电信号进行采样,并在多个时间点存储多个瞬时值。 然后,测量部分基于存储的多个瞬时值确定接收光的量变化的拐点处的时间点,以便根据所确定的时间点生成到对象的距离的数据 作为接待点。