Adaptive automatic exposure apparatus and method for digital images
    1.
    发明授权
    Adaptive automatic exposure apparatus and method for digital images 有权
    适用于数字图像的自动曝光装置和方法

    公开(公告)号:US08743235B2

    公开(公告)日:2014-06-03

    申请号:US13505389

    申请日:2010-11-04

    IPC分类号: H04N5/228

    CPC分类号: H04N5/235

    摘要: An apparatus and method for automatically adjusting an exposure for a digital imaging device by (a) receiving a current image frame using an exposure value (EV), (b) computing a current image spatial entropy (ISE) for the current image frame, and (c) whenever the current ISE is greater than a previous ISE, setting the previous ISE equal to the current ISE, increasing the EV, and repeating steps (a) and (b), and (d) whenever the current ISE is less than or equal to the previous ISE, decreasing the EV, receiving the current image frame using the EV, and displaying the current image frame.

    摘要翻译: 一种用于通过(a)使用曝光值(EV)来接收当前图像帧来自动调整数字成像装置的曝光的装置和方法,(b)计算当前图像帧的当前图像空间熵(ISE),以及 (c)每当当前ISE大于之前的ISE时,将先前的ISE设置为等于当前ISE,增加EV,并重复步骤(a)和(b),以及(d)每当当前ISE小于 或等于之前的ISE,减小EV,使用EV接收当前图像帧,并显示当前图像帧。

    ADAPTIVE AUTOMATIC EXPOSURE APPARATUS AND METHOD FOR DIGITAL IMAGES
    2.
    发明申请
    ADAPTIVE AUTOMATIC EXPOSURE APPARATUS AND METHOD FOR DIGITAL IMAGES 有权
    自适应自动曝光装置和数字图像的方法

    公开(公告)号:US20120212642A1

    公开(公告)日:2012-08-23

    申请号:US13505389

    申请日:2010-11-04

    IPC分类号: H04N5/228

    CPC分类号: H04N5/235

    摘要: An apparatus and method for automatically adjusting an exposure for a digital imaging device by (a) receiving a current image frame using an exposure value (EV), (b) computing a current image spatial entropy (ISE) for the current image frame, and (c) whenever the current ISE is greater than a previous ISE, setting the previous ISE equal to the current ISE, increasing the EV, and repeating steps (a) and (b), and (d) whenever the current ISE is less than or equal to the previous ISE, decreasing the EV, receiving the current image frame using the EV, and displaying the current image frame.

    摘要翻译: 一种用于通过(a)使用曝光值(EV)来接收当前图像帧来自动调整数字成像装置的曝光的装置和方法,(b)计算当前图像帧的当前图像空间熵(ISE),以及 (c)每当当前ISE大于之前的ISE时,将先前的ISE设置为等于当前ISE,增加EV,并重复步骤(a)和(b),以及(d)每当当前ISE小于 或等于之前的ISE,减小EV,使用EV接收当前图像帧,并显示当前图像帧。