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    • 10. 发明专利
    • Image capturing apparatus, method for controlling image capturing apparatus, three-dimensional measuring apparatus, and program
    • 图像捕获设备,控制图像捕获设备的方法,三维测量设备和程序
    • JP2013019729A
    • 2013-01-31
    • JP2011152342
    • 2011-07-08
    • Canon Incキヤノン株式会社
    • ANDO TOSHINORI
    • G01B11/00G01B11/25G06T1/00
    • G01J1/58G01B11/00G01B11/25H04N13/0271
    • PROBLEM TO BE SOLVED: To provide an image capturing apparatus capable of highly accurately calculating an intersection of luminance distributions with little sampling, without making a sampling pitch finer.SOLUTION: An image capturing apparatus includes: a projection part for projecting a first pattern or a second pattern each having bright portions and dark portions as projection patterns onto an object; and an image capturing part for causing an image of the object on which the projection pattern is projected to be formed in an image capturing device as a luminance distribution. The luminance distribution has a first luminance value corresponding to the bright portions and a second luminance value corresponding to the dark portions. The first pattern and the second pattern have overlap portions at which positions of the bright portions or positions of the dart portions overlap. A first luminance distribution corresponding to the first pattern and a second luminance distribution corresponding to the second pattern have an intersection at which the luminance values thereof become the same at the overlap portions. A luminance value of the intersection becomes different from an average value of the first luminance value and the second luminance value by a predetermined value.
    • 解决的问题:提供一种能够高精度地计算少量采样的亮度分布的交点的图像捕获装置,而不使采样间距更精细。 解决方案:一种摄像装置,包括:投影部,用于将具有亮部和暗部的第一图案或第二图案作为投影图案投射到物体上; 以及图像捕获部分,用于使在其上投影有投影图案的对象的图像形成在图像捕获装置中作为亮度分布。 亮度分布具有对应于亮部的第一亮度值和对应于暗部的第二亮度值。 第一图案和第二图案具有重叠部分,在该重叠部分处,凸起部分的亮部或位置的位置重叠。 对应于第一图案的第一亮度分布和对应于第二图案的第二亮度分布具有在重叠部分处其亮度值变得相同的交点。 交点的亮度值与第一亮度值和第二亮度值的平均值不同,达预定值。 版权所有(C)2013,JPO&INPIT