Image processing method and apparatus for detecting an edge of an object within an image
    3.
    发明授权
    Image processing method and apparatus for detecting an edge of an object within an image 有权
    用于检测图像内的物体的边缘的图像处理方法和装置

    公开(公告)号:US08411965B2

    公开(公告)日:2013-04-02

    申请号:US12718511

    申请日:2010-03-05

    IPC分类号: G06K9/48

    CPC分类号: G06T7/13 G06T2207/20021

    摘要: An image processing method and apparatus capable of easily detecting an edge of an object from an input image, in which the edge is detected using one step, without a pre-processing step, and a complicated trigonometric function is not used for gradient detection. The image processing method includes setting a window within an input image, analyzing the window to determine directions of edges of objects within the image included in the window, detecting edge information including the edge directions, and processing and outputting the window using the edge information.

    摘要翻译: 一种图像处理方法和装置,其不需要用于梯度检测,能够容易地从输入图像中检测出物体的边缘,其中使用一个步骤检测边缘,而无需预处理步骤,并且复杂的三角函数不用于梯度检测。 图像处理方法包括设置输入图像内的窗口,分析窗口以确定包括在窗口中的图像内的对象的边缘的方向,检测包括边缘方向的边缘信息,以及使用边缘信息来处理和输出窗口。

    IMAGE PROCESSING METHOD AND APPARATUS FOR DETECTING AN EDGE OF AN OBJECT WITHIN AN IMAGE
    5.
    发明申请
    IMAGE PROCESSING METHOD AND APPARATUS FOR DETECTING AN EDGE OF AN OBJECT WITHIN AN IMAGE 有权
    用于检测图像中的对象边缘的图像处理方法和装置

    公开(公告)号:US20100226579A1

    公开(公告)日:2010-09-09

    申请号:US12718511

    申请日:2010-03-05

    IPC分类号: G06K9/48

    CPC分类号: G06T7/13 G06T2207/20021

    摘要: An image processing method and apparatus capable of easily detecting an edge of an object from an input image, in which the edge is detected using one step, without a pre-processing step, and a complicated trigonometric function is not used for gradient detection. The image processing method includes setting a window within an input image, analyzing the window to determine directions of edges of objects within the image included in the window, detecting edge information including the edge directions, and processing and outputting the window using the edge information.

    摘要翻译: 一种图像处理方法和装置,其不需要用于梯度检测,能够容易地从输入图像中检测出物体的边缘,其中使用一个步骤检测边缘,而无需预处理步骤,并且复杂的三角函数不用于梯度检测。 图像处理方法包括设置输入图像内的窗口,分析窗口以确定包括在窗口中的图像内的对象的边缘的方向,检测包括边缘方向的边缘信息,以及使用边缘信息来处理和输出窗口。

    Apparatus and method for classifying images
    6.
    发明授权
    Apparatus and method for classifying images 有权
    用于分类图像的装置和方法

    公开(公告)号:US08704910B2

    公开(公告)日:2014-04-22

    申请号:US12704291

    申请日:2010-02-11

    IPC分类号: H04N9/73 G06K9/00

    CPC分类号: H04N9/735

    摘要: An image classification apparatus and method for Automatic White Balance (AWB) are provided. An input image is divided into blocks including pluralities of pixels. A hue value and a chroma value are calculated for each of the blocks. A color-changed block is detected by calculating, for each one of the blocks, differences between the hue and chroma values calculated for all blocks adjacent to the one of the blocks and the hue and chroma values calculated for the one of the blocks. A hue variance and a chroma variance are calculated for the entire input image if a number of the detected color-changed blocks is greater than or equal to a first threshold. The input image is determined as a non-monochromatic image, if the hue variance is greater than or equal to a second threshold or the chroma variance is greater than or equal to a third threshold.

    摘要翻译: 提供了一种用于自动白平衡(AWB)的图像分类装置和方法。 输入图像被分成包括多个像素的块。 为每个块计算色调值和色度值。 通过针对每个块计算针对与该一个块相邻的所有块计算的色调和色度值之间的差异以及为该块中的一个块计算的色调和色度值来检测颜色变化块。 如果检测到的颜色变化块的数量大于或等于第一阈值,则针对整个输入图像计算色调方差和色度方差。 如果色调方差大于或等于第二阈值或色度方差大于或等于第三阈值,则输入图像被确定为非单色图像。

    APPARATUS AND METHOD FOR CORRECTING DEFECTIVE PIXEL
    8.
    发明申请
    APPARATUS AND METHOD FOR CORRECTING DEFECTIVE PIXEL 审中-公开
    修正缺陷像素的装置和方法

    公开(公告)号:US20100079629A1

    公开(公告)日:2010-04-01

    申请号:US12570839

    申请日:2009-09-30

    IPC分类号: H04N5/222

    CPC分类号: H04N5/3675 H04N9/045

    摘要: Disclosed is an apparatus for correcting a value of a defective pixel based on values of neighboring pixels of the defective pixel, the apparatus includes a plurality of first-stage median filters for receiving a value of a target pixel and values of neighboring pixels of the target pixel, and outputting median values of the received values; and at least one second-stage median filter for receiving the value of the target pixel and the median values from the first-stage median filters, and outputting a median value of the values received by the second-stage median filter.

    摘要翻译: 公开了一种基于缺陷像素的相邻像素的值来校正缺陷像素的值的装置,该装置包括用于接收目标像素的值和目标像素的相邻像素的值的多个第一级中值滤波器 像素,并输出接收值的中值; 以及至少一个第二级中值滤波器,用于从第一级中值滤波器接收目标像素的值和中值,并输出由第二级中值滤波器接收的值的中值。

    Method and apparatus for correcting lens shading
    9.
    发明授权
    Method and apparatus for correcting lens shading 有权
    用于校正透镜阴影的方法和装置

    公开(公告)号:US08406557B2

    公开(公告)日:2013-03-26

    申请号:US12832631

    申请日:2010-07-08

    IPC分类号: G06K9/40 H04N9/64 H04N5/217

    CPC分类号: H04N5/3572

    摘要: A lens shading correction method and apparatus are provided for removing vignetting occurring in digital images due to lens shading. A white image captured by an image pickup device and an image pickup unit is separated into reference white images corresponding to color channels. A vignetting center having a maximum light intensity is estimated in each of the reference white images. Multiple reference segments on each of the reference white images are defined. A lens shading correction value corresponding to each pixel constituting the reference segments are calculated using a corresponding light intensity. A lens shading correction function corresponding to each reference segment is derived using a corresponding lens shading correction value. Vignetting of a general image received in a general image processing mode is removed, using the derived multiple lens shading correction functions.

    摘要翻译: 提供了一种透镜阴影校正方法和装置,用于消除由于透镜阴影而在数字图像中发生的渐晕。 由图像拾取装置和图像拾取单元拍摄的白色图像被分离为与颜色通道对应的参考白色图像。 在每个参考白色图像中估计具有最大光强度的渐晕中心。 定义每个参考白图像上的多个参考段。 使用对应的光强度计算与构成基准片段的每个像素对应的镜片阴影校正值。 使用相应的透镜阴影校正值导出与每个参考片段对应的镜片遮蔽校正功能。 使用导出的多个透镜阴影校正功能来消除在一般图像处理模式中接收的一般图像的渐晕。

    METHOD AND APPARATUS FOR CORRECTING LENS SHADING
    10.
    发明申请
    METHOD AND APPARATUS FOR CORRECTING LENS SHADING 有权
    矫正镜片的方法和装置

    公开(公告)号:US20110007969A1

    公开(公告)日:2011-01-13

    申请号:US12832631

    申请日:2010-07-08

    IPC分类号: G06K9/40

    CPC分类号: H04N5/3572

    摘要: A lens shading correction method and apparatus are provided for removing vignetting occurring in digital images due to lens shading. A white image captured by an image pickup device and an image pickup unit is separated into reference white images corresponding to color channels. A vignetting center having a maximum light intensity is estimated in each of the reference white images. Multiple reference segments on each of the reference white images are defined. A lens shading correction value corresponding to each pixel constituting the reference segments are calculated using a corresponding light intensity. A lens shading correction function corresponding to each reference segment is derived using a corresponding lens shading correction value. Vignetting of a general image received in a general image processing mode is removed, using the derived multiple lens shading correction functions.

    摘要翻译: 提供了一种透镜阴影校正方法和装置,用于消除由于透镜阴影而在数字图像中发生的渐晕。 由图像拾取装置和图像拾取单元拍摄的白色图像被分离为与颜色通道对应的参考白色图像。 在每个参考白色图像中估计具有最大光强度的渐晕中心。 定义每个参考白图像上的多个参考段。 使用对应的光强度计算与构成基准片段的每个像素对应的镜片阴影校正值。 使用相应的透镜阴影校正值导出与每个参考片段对应的镜片遮蔽校正功能。 使用导出的多个透镜阴影校正功能来消除在一般图像处理模式中接收的一般图像的渐晕。