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    • 5. 发明专利
    • Night vision device
    • 夜视设备
    • JP2014127924A
    • 2014-07-07
    • JP2012284577
    • 2012-12-27
    • Denso Corp株式会社デンソー
    • HATTORI KAZUNARISUZUKI HIROTAKAINOUE NOBUHIKOOTA KAZUHIDE
    • H04N5/225B60Q1/24G02B5/22G08G1/16
    • H04N5/332G02B23/12G06K9/00362G06K9/00791G06K2209/21G08G1/166H04N7/183H04N7/188
    • PROBLEM TO BE SOLVED: To provide a night vision device capable of producing an image highlighting a detection object.SOLUTION: A night vision device at least includes: an imaging apparatus; a light projector; and a night vision ECU. In a night vision processing conducted by the night vision ECU, a determined brightness ratio RR is derived from a setting area specified at least a part of an image (S240). The derived determined brightness RR is determined whether it is within a specified brightness range predetermined as a brightness ratio for an image highlighting the detection object (S250, S260), and if the determined brightness ratio RR is out of the specified brightness range (S250: YES, S260: YES), a light projection control is executed to control the light projector 10 so as to make the determined brightness ratio within the specified brightness range. In this light projection control, a change amount is calculated for changing the intensity of a near-infrared ray and gradually change the intensity for each prescribed value to attain the change amount calculated.
    • 要解决的问题:提供能够产生突出检测对象的图像的夜视装置。解决方案:夜视装置至少包括:成像装置; 一个投影机; 和夜视ECU。 在由夜视ECU执行的夜视处理中,从指定图像的至少一部分的设定区域导出确定的亮度比RR(S240)。 确定导出的确定亮度RR是否在预先确定的高亮显示检测对象的图像的亮度比的规定亮度范围内(S250,S260),以及确定的亮度比RR是否超出规定的亮度范围(S250: 是,S260:是),执行光投射控制以控制投影仪10,以使确定的亮度比在规定的亮度范围内。 在该投光控制中,计算出改变近红外线强度的变化量,并逐渐改变每个规定值的强度,以获得计算出的变化量。