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    • 1. 发明授权
    • Method and device for imaging using several exposure times
    • 使用多次曝光时间成像的方法和装置
    • US07271937B2
    • 2007-09-18
    • US10450938
    • 2001-09-17
    • Olaf SchreyArndt BussmannMarkus SchwarzJuergen HuppertzWerner BrockherdeBedrich HostickaChristian Nitta
    • Olaf SchreyArndt BussmannMarkus SchwarzJuergen HuppertzWerner BrockherdeBedrich HostickaChristian Nitta
    • H04N1/04
    • H04N5/2353H04N5/235
    • In a method for imaging, a plurality of image sensor elements is used, which generate different output signal values when using different exposure times. For each image sensor element, an image signal value is generated by generating a first output signal value when using a first exposure time and an associated second output signal value using a second exposure time. If the first output signal value does not exceed a threshold value associated thereto, the image signal value is calculated using a first calculating rule on the basis of the first output signal value. If the first output signal value exceeds the threshold value, the image signal value is calculated using at least a second calculating rule on the basis of at least the second output signal value. By the calculating rules, the first and second output signal values are shifted relative to each other and adjusted such that no detectable discontinuity occurs between an image signal value still calculated according to the first calculating rule and an image signal value already calculated according to the second calculating rule.
    • 在成像方法中,使用多个图像传感器元件,其在使用不同的曝光时间时产生不同的输出信号值。 对于每个图像传感器元件,通过在使用第一曝光时间时产生第一输出信号值并使用第二曝光时间产生相关联的第二输出信号值来产生图像信号值。 如果第一输出信号值不超过与其相关联的阈值,则基于第一输出信号值,使用第一计算规则计算图像信号值。 如果第一输出信号值超过阈值,则至少基于第二输出信号值至少使用第二计算规则来计算图像信号值。 通过计算规则,第一和第二输出信号值相对于彼此移动,并被调整为使得在根据第一计算规则仍然计算的图像信号值和根据第二计算规则已经计算的图像信号值之间不发生可检测到的不连续性 计算规则。