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    • 6. 发明申请
    • MEASURING DEVICE, METHOD, AND COMPUTER PROGRAM PRODUCT
    • 测量设备,方法和计算机程序产品
    • US20140132759A1
    • 2014-05-15
    • US14070872
    • 2013-11-04
    • KABUSHIKI KAISHA TOSHIBA
    • Yuta ITOHAkihito SekiKenichi ShimoyamaSatoshi ItoMasaki Yamazaki
    • G01C11/20G01C11/02
    • G01C25/00G01C15/00G06T7/80
    • According to an embodiment, a measuring device includes a measuring unit, a capturing unit, an estimation unit, a calculator, and a detector. The estimation unit estimates, for each irradiated point, an estimated projection position on the image, using a direction and a distance of the irradiated point and calibration information based on calibration of a measuring unit and a capturing unit. The calculator calculates, for each irradiated point, an amount of change in reflection intensity and obtains a reflection intensity change point. The calculator calculates, for each estimated projection position, an amount of change in brightness and obtains a brightness change point. The detector detects a calibration shift between the measuring unit and the capturing unit by comparing the reflection intensity change point and the brightness change point.
    • 根据实施例,测量装置包括测量单元,捕获单元,估计单元,计算器和检测器。 估计单元对于每个照射点,基于测量单元和捕获单元的校准,使用照射点的方向和距离以及校准信息来估计图像上的估计投影位置。 对于每个照射点,计算器计算反射强度的变化量并获得反射强度变化点。 对于每个估计的投影位置,计算器计算亮度变化量并获得亮度变化点。 检测器通过比较反射强度变化点和亮度变化点来检测测量单元和捕获单元之间的校准位移。
    • 7. 发明授权
    • Device, method, and computer readable medium for area identification using motion from a projected pattern
    • 用于使用来自投影图案的运动的区域识别的装置,方法和计算机可读介质
    • US09445008B2
    • 2016-09-13
    • US13799781
    • 2013-03-13
    • KABUSHIKI KAISHA TOSHIBA
    • Masaki YamazakiAkihito SekiKenichi ShimoyamaSatoshi ItoYuta ItohRyuzo Okada
    • H04N5/235H04N5/232
    • H04N5/2351H04N5/232
    • An area identifying device includes a projecting unit, an image capturing unit, a calculating unit, and an identifying unit. The projecting unit is configured to project a pattern so that the pattern performs a predetermined movement. The image capturing unit is configured to capture, in sequential order, multiple images of a projection area on which the pattern is projected, each image including a plurality of image areas. The calculating unit is configured to calculate an amount of change of pattern appearances for each image area in the multiple images. The identifying unit is configured to identify, as a reflective area, at least one image area having a different amount of change of the pattern appearances from a reference amount of change of the pattern appearances based on the predetermined movement, among the calculated amounts of change of the pattern appearances.
    • 区域识别装置包括投影单元,图像拍摄单元,计算单元和识别单元。 投影单元被配置为投影图案,使得图案执行预定的移动。 图像拍摄单元被配置为以顺序的顺序捕获投影图案的投影区域的多个图像,每个图像包括多个图像区域。 计算单元被配置为计算多个图像中的每个图像区域的图案外观的变化量。 识别单元被配置为将所计算的变化量中的基于预定移动的图案外观的参考变化量与图案外观的变化量不同的至少一个图像区域识别为反射区域 的图案外观。
    • 8. 发明授权
    • Measuring device, method, and computer program product
    • 测量装置,方法和计算机程序产品
    • US09383221B2
    • 2016-07-05
    • US14070872
    • 2013-11-04
    • KABUSHIKI KAISHA TOSHIBA
    • Yuta ItohAkihito SekiKenichi ShimoyamaSatoshi ItoMasaki Yamazaki
    • G01C25/00G01C15/00G06T7/00
    • G01C25/00G01C15/00G06T7/80
    • According to an embodiment, a measuring device includes a measuring unit, a capturing unit, an estimation unit, a calculator, and a detector. The estimation unit estimates, for each irradiated point, an estimated projection position on the image, using a direction and a distance of the irradiated point and calibration information based on calibration of a measuring unit and a capturing unit. The calculator calculates, for each irradiated point, an amount of change in reflection intensity and obtains a reflection intensity change point. The calculator calculates, for each estimated projection position, an amount of change in brightness and obtains a brightness change point. The detector detects a calibration shift between the measuring unit and the capturing unit by comparing the reflection intensity change point and the brightness change point.
    • 根据实施例,测量装置包括测量单元,捕获单元,估计单元,计算器和检测器。 估计单元对于每个照射点,基于测量单元和捕获单元的校准,使用照射点的方向和距离以及校准信息来估计图像上的估计投影位置。 对于每个照射点,计算器计算反射强度的变化量并获得反射强度变化点。 对于每个估计的投影位置,计算器计算亮度变化量并获得亮度变化点。 检测器通过比较反射强度变化点和亮度变化点来检测测量单元和捕获单元之间的校准位移。