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    • 8. 发明公开
    • INTELLIGENT ADJUSTMENT METHOD WHEN VIDEO CAMERA PERFORMS AUTOMATIC EXPOSURE AND APPARATUS THEREFOR
    • 智能设置执行自动曝光,一台摄像机及其装置
    • EP3133439A4
    • 2017-05-10
    • EP14893321
    • 2014-08-20
    • HANGZHOU HIKVISION DIGITAL TEC
    • MA WEIMINYOU CAN
    • G03B7/00G03B7/20H04N5/232
    • G03B7/20G03B7/003G03B7/006G06T7/248H04N5/23254H04N5/2327H04N5/23296H04N5/2351H04N5/2352H04N5/2353H04N5/243
    • The present invention relates to the field of video camera image processing. Disclosed are an intelligent adjustment method when a video camera performs automatic exposure and an apparatus therefor. In the present invention, a first corresponding relationship between a rate and an aperture is pre-set. The first corresponding relationship records corresponding upper and lower aperture limits required by each rate for achieving the best depth of field of an image. The method comprises the following steps: acquiring the current rate of a video camera; searching for upper and lower aperture limits corresponding to the current rate in a first corresponding relationship; if the current aperture value exceeds the range of the searched upper and lower aperture limits corresponding to the current rate, adjusting the current aperture value to be within the range of the upper and lower aperture limits; and according to the adjusted aperture value, adjusting exposure time and gain to satisfy the need of image brightness. In the present invention, according to different field scenario rates, the aperture is adjusted to be within the aperture range corresponding to the best depth of field so as to acquire the best depth of field, and a shutter and gain are adjusted accordingly, so that the best brightness can be ensured and the best depth of field is achieved at the same time so as to improve image quality.
    • 本发明涉及视频摄像机图像处理领域。 本发明公开了一种智能调整方法当视频相机执行自动曝光和装置为此。 在本发明中,一个速率之间和在孔中的第一对应关系是预先设定的。 第一对应关系记录对应每个速率用于实现图像的视场深度最好需要上部和下部孔径限制。 该方法包括以下步骤:获取视频摄像机的当前速度; 搜索对应于在第一对应关系当前的速率上限和下限开度; 如果当前的光圈值超过对应于当前速率,调整当前的光圈值是的上限和下限开度的范围内搜索到的上限和下限开度的范围内; 和gemäß调整后的光圈值,调整曝光时间和增益,以满足图像亮度的需要。 在本发明中,雅丁到不同的场场景率,孔径被调整为孔径范围对应于场的最佳深度内,以便获取场的最佳深度和快门和增益进行相应的调整,所以没有 最好亮度可以确保和强度的最佳深度的同时得以实现,从而改善图像质量。
    • 9. 发明公开
    • SYSTEM AND METHOD FOR LIGHT-FIELD IMAGING
    • 用于光场成像的系统和方法
    • EP3161554A1
    • 2017-05-03
    • EP15810939.7
    • 2015-06-25
    • Ramot at Tel-Aviv University Ltd.
    • MENDLOVIC, DavidSCHLEYEN, RanMENDLOVIC, Uri Eliezer
    • G03B7/00G03B11/00
    • H04N9/045G02B5/201G02B27/0075G03B33/16G03B35/08H04N5/2254H04N5/23212H04N9/07H04N9/643
    • A light-field imaging system and a method for generating light-field image data are presented. The system comprising an imaging lens unit, a detector array and a polychromatic patterned filter located in optical path of collected light, being at an intermediate plane between the lens unit and the detector array. The method comprising: acquiring image data of a region of interest by passing input light coming from said region of interest through said imaging lens unit and said polychromatic patterned filter to be detected by said detector array to generate corresponding image data; and processing said image data to determined light components passing through different regions of said polychromatic patterned filter corresponding to different colors and different parts of the region of interest to provide light-field image data of said region of interest.
    • 提出了一种光场成像系统和一种用于生成光场图像数据的方法。 包括成像透镜单元,位于所收集光的光路中的探测器阵列和多色图案化滤波器的系统位于透镜单元和探测器阵列之间的中间平面处。 该方法包括:通过使来自所述感兴趣区域的输入光通过所述成像透镜单元和要由所述检测器阵列检测的所述多色图案化滤波器来获取感兴趣区域的图像数据以生成对应的图像数据; 以及处理所述图像数据以确定通过与所述感兴趣区域的不同颜色和不同部分对应的所述多色图案化滤波器的不同区域的确定光分量,以提供所述感兴趣区域的光场图像数据。