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    • 86. 发明申请
    • OPTIMIZED MOVABLE IR FILTER IN CAMERAS
    • 摄像机中优化的可移动红外滤波器
    • US20120026325A1
    • 2012-02-02
    • US12846054
    • 2010-07-29
    • Philip Alan BunkerMark NelsonJeffrey B. LancasterTodd WebbTing Chia HsuEva Tai
    • Philip Alan BunkerMark NelsonJeffrey B. LancasterTodd WebbTing Chia HsuEva Tai
    • H04N5/33H04N7/18
    • G03B11/00H04N5/2254H04N5/23245
    • Embodiments of the present invention include a camera having two modes: a visible light imaging mode (day-mode) and an IR imaging mode (night-mode). In the visible light imaging mode, an IR filter is in line with the lens assembly. In the IR imaging mode, the IR filter is mechanically removed, and IR light is allowed to pass to the sensor. In one embodiment, in the IR imaging mode, IR lighting is provided by an IR LEDs on the camera to illuminate the scene. In one embodiment, the various components are chosen, balanced and optimized so that images captured using visible light and images captured using non-visible light are both in focus. In one embodiment, an algorithm determines when there sufficient visible light is present and when it is not, and thus determines when to switch the camera from one mode to another.
    • 本发明的实施例包括具有两种模式的相机:可见光成像模式(日模式)和IR成像模式(夜模式)。 在可见光成像模式下,IR滤光片与透镜组件一致。 在红外成像模式下,IR滤光片被机械去除,并允许红外光通过传感器。 在一个实施例中,在IR成像模式中,IR照明由相机上的IR LED提供以照亮场景。 在一个实施例中,选择,平衡和优化各种组件,使得使用可见光捕获的图像和使用不可见光捕获的图像都是焦点。 在一个实施例中,一种算法确定何时存在足够的可见光,何时不存在,并且因此确定何时将相机从一种模式切换到另一种模式。