Method and apparatus for improving the stability of histogram correlation algorithm
    1.
    发明授权
    Method and apparatus for improving the stability of histogram correlation algorithm 有权
    提高直方图相关算法稳定性的方法和装置

    公开(公告)号:US08532381B2

    公开(公告)日:2013-09-10

    申请号:US12901185

    申请日:2010-10-08

    申请人: Buyue Zhang

    发明人: Buyue Zhang

    IPC分类号: G06K9/00

    CPC分类号: G06K9/4647

    摘要: A method and apparatus for improving stability of histogram correlation based image and video processing algorithms. The method includes computing a histogram for target signal and reference signal for generating a target histogram and a reference histogram, performing low pass filtering of the input signal and the reference signal and producing smoothed histograms, and performing correlation on the smoothed histograms for improving stability of histogram correlation.

    摘要翻译: 一种用于提高基于直方图相关的图像和视频处理算法的稳定性的方法和装置。 该方法包括计算用于产生目标直方图和参考直方图的目标信号和参考信号的直方图,对输入信号和参考信号进行低通滤波并产生平滑的直方图,以及对平滑的直方图执行相关性,以提高稳定性 直方图相关。

    METHOD AND APPARATUS FOR AUTO-CONVERGENCE FOR STEREOSCOPIC IMAGES AND VIDEOS
    2.
    发明申请
    METHOD AND APPARATUS FOR AUTO-CONVERGENCE FOR STEREOSCOPIC IMAGES AND VIDEOS 审中-公开
    用于立体图像和视频的自动融合的方法和装置

    公开(公告)号:US20130016187A1

    公开(公告)日:2013-01-17

    申请号:US13549928

    申请日:2012-07-16

    IPC分类号: H04N13/02

    CPC分类号: H04N13/128 H04N2013/0081

    摘要: A method and apparatus for reducing convergence accommodation conflict. The method includes estimating disparities between images for different lens, analyzing the estimated disparities, selecting a point of convergence, determining the amount of shift relating to the convergence point selected, and performing adjustment to the disparity to maintain a disparity value below a threshold.

    摘要翻译: 一种降低会聚住宿冲突的方法和装置。 该方法包括估计不同透镜的图像之间的差异,分析估计的差异,选择收敛点,确定与所选择的会聚点相关的偏移量,以及对视差进行调整以将视差值维持在阈值以下。

    Methods and systems for automatic white balance
    3.
    发明授权
    Methods and systems for automatic white balance 有权
    自动白平衡的方法和系统

    公开(公告)号:US08384796B2

    公开(公告)日:2013-02-26

    申请号:US13011693

    申请日:2011-01-21

    申请人: Buyue Zhang

    发明人: Buyue Zhang

    IPC分类号: H04N5/228

    CPC分类号: H04N9/735

    摘要: A method for compensating an automatic white balance (AWB) reference generated for a first image sensor is provided that includes computing a red adjustment factor, a green adjustment factor, and a blue adjustment factor based on an average red value, an average green value, and an average blue value of the first image sensor and an average red value, an average green value, and an average blue value of a second image sensor, and modifying a red value, a green value, a blue value, and chromaticity values of the AWB reference based on the red adjustment factor, the green adjustment factor, and the blue adjustment factor to generate a compensated reference for the second image sensor. A method for tuning AWB references based on changes in chromaticity values of the references is also provided.

    摘要翻译: 提供一种用于补偿为第一图像传感器生成的自动白平衡(AWB)参考的方法,其包括基于平均红色值,平均绿色值,红色调整因子, 以及第一图像传感器的平均蓝色值和第二图像传感器的平均红色值,平均绿色值和平均蓝色值,并且修改红色值,绿色值,蓝色值和色度值 基于红色调整因子的AWB参考,绿色调整因子和蓝色调整因子以产生用于第二图像传感器的补偿参考。 还提供了一种基于引用的色度值的变化来调整AWB引用的方法。

    Methods and Systems for Automatic White Balance
    4.
    发明申请
    Methods and Systems for Automatic White Balance 有权
    自动白平衡的方法和系统

    公开(公告)号:US20120188399A1

    公开(公告)日:2012-07-26

    申请号:US13011693

    申请日:2011-01-21

    申请人: Buyue Zhang

    发明人: Buyue Zhang

    IPC分类号: H04N9/73

    CPC分类号: H04N9/735

    摘要: A method for compensating an automatic white balance (AWB) reference generated for a first image sensor is provided that includes computing a red adjustment factor, a green adjustment factor, and a blue adjustment factor based on an average red value, an average green value, and an average blue value of the first image sensor and an average red value, an average green value, and an average blue value of a second image sensor, and modifying a red value, a green value, a blue value, and chromaticity values of the AWB reference based on the red adjustment factor, the green adjustment factor, and the blue adjustment factor to generate a compensated reference for the second image sensor. A method for tuning AWB references based on changes in chromaticity values of the references is also provided.

    摘要翻译: 提供一种用于补偿为第一图像传感器生成的自动白平衡(AWB)参考的方法,其包括基于平均红色值,平均绿色值,红色调整因子, 以及第一图像传感器的平均蓝色值和第二图像传感器的平均红色值,平均绿色值和平均蓝色值,并且修改红色值,绿色值,蓝色值和色度值 基于红色调整因子的AWB参考,绿色调整因子和蓝色调整因子以产生用于第二图像传感器的补偿参考。 还提供了一种基于引用的色度值的变化来调整AWB引用的方法。

    Methods and Systems for Automatic White Balance
    5.
    发明申请
    Methods and Systems for Automatic White Balance 有权
    自动白平衡的方法和系统

    公开(公告)号:US20110205389A1

    公开(公告)日:2011-08-25

    申请号:US12710344

    申请日:2010-02-22

    申请人: Buyue Zhang

    发明人: Buyue Zhang

    IPC分类号: H04N9/73

    CPC分类号: H04N9/735

    摘要: A method for calibrating automatic white balance (AWB) in a digital system is provided that includes capturing an image of a test target under a natural lighting condition, generating a first color temperature reference from the captured image, and outputting AWB configuration data for the digital system, wherein the AWB configuration data comprises the first color temperature reference and a second color temperature reference generated using the test target under simulated lighting conditions. A method for calibrating automatic white balance (AWB) in a digital system comprising a first imaging sensor is provided that includes receiving a reference for AWB that was generated using an image captured using a second imaging sensor, and compensating a histogram reference into a histogram reference for AWB for the first imaging sensor in the digital system based on R, G, B adjustment values from the second imaging sensor to the first imaging sensor.

    摘要翻译: 提供了一种用于在数字系统中校准自动白平衡(AWB)的方法,其包括在自然照明条件下捕获测试对象的图像,从捕获的图像生成第一色温参考,并输出数字的AWB配置数据 系统,其中AWB配置数据包括第一色温参考和在模拟照明条件下使用测试目标产生的第二色温参考。 提供了一种用于在包括第一成像传感器的数字系统中校准自动白平衡(AWB)的方法,其包括使用使用第二成像传感器捕获的图像生成的AWB的参考,并将直方图参考补偿为直方图参考 用于基于从第二成像传感器到第一成像传感器的R,G,B调整值的数字系统中的第一成像传感器的AWB。

    METHOD AND SYSTEM FOR CAPTURING A STEREOSCOPIC IMAGE
    6.
    发明申请
    METHOD AND SYSTEM FOR CAPTURING A STEREOSCOPIC IMAGE 审中-公开
    用于捕获立体图像的方法和系统

    公开(公告)号:US20140043445A1

    公开(公告)日:2014-02-13

    申请号:US13957951

    申请日:2013-08-02

    申请人: Buyue Zhang

    发明人: Buyue Zhang

    IPC分类号: H04N13/02

    CPC分类号: H04N13/243 H04N13/296

    摘要: At least first, second and third imaging sensors simultaneously capture at least first, second and third images of a scene, respectively. An image pair is selected from among the images. A screen displays the image pair to form the stereoscopic image. The image pair is selected in response to at least one of: a size of the screen; and a distance of a user away from the screen.

    摘要翻译: 至少第一,第二和第三成像传感器分别同时捕获场景的至少第一,第二和第三图像。 从图像中选择一个图像对。 屏幕显示图像对以形成立体图像。 响应于以下至少一个来选择图像对:屏幕的大小; 以及用户离屏幕的距离。

    Methods and systems for automatic white balance
    7.
    发明授权
    Methods and systems for automatic white balance 有权
    自动白平衡的方法和系统

    公开(公告)号:US08547450B2

    公开(公告)日:2013-10-01

    申请号:US12710344

    申请日:2010-02-22

    申请人: Buyue Zhang

    发明人: Buyue Zhang

    IPC分类号: H04N9/73 H04N5/228 G06K9/00

    CPC分类号: H04N9/735

    摘要: A method for calibrating automatic white balance (AWB) in a digital system is provided that includes capturing an image of a test target under a natural lighting condition, generating a first color temperature reference from the captured image, and outputting AWB configuration data for the digital system, wherein the AWB configuration data comprises the first color temperature reference and a second color temperature reference generated using the test target under simulated lighting conditions. A method for calibrating automatic white balance (AWB) in a digital system comprising a first imaging sensor is provided that includes receiving a reference for AWB that was generated using an image captured using a second imaging sensor, and compensating a histogram reference into a histogram reference for AWB for the first imaging sensor in the digital system based on R, G, B adjustment values from the second imaging sensor to the first imaging sensor.

    摘要翻译: 提供了一种用于在数字系统中校准自动白平衡(AWB)的方法,其包括在自然照明条件下捕获测试对象的图像,从捕获的图像生成第一色温参考,并输出数字的AWB配置数据 系统,其中AWB配置数据包括第一色温参考和在模拟照明条件下使用测试目标产生的第二色温参考。 提供了一种用于在包括第一成像传感器的数字系统中校准自动白平衡(AWB)的方法,其包括使用使用第二成像传感器捕获的图像生成的AWB的参考,并将直方图参考补偿为直方图参考 用于基于从第二成像传感器到第一成像传感器的R,G,B调整值的数字系统中的第一成像传感器的AWB。

    METHOD AND APPARATUS FOR STEREO MISALIGNMENT ESTIMATION USING MODIFIED AFFINE OR PERSPECTIVE MODEL
    8.
    发明申请
    METHOD AND APPARATUS FOR STEREO MISALIGNMENT ESTIMATION USING MODIFIED AFFINE OR PERSPECTIVE MODEL 有权
    使用修改的人脸或视角模型进行立体异常估计的方法和装置

    公开(公告)号:US20120128236A1

    公开(公告)日:2012-05-24

    申请号:US13298936

    申请日:2011-11-17

    IPC分类号: G06K9/00

    摘要: A method and apparatus for estimating stereo misalignment using modified affine or perspective model. The method includes dividing a left frame and a right frame into blocks, comparing horizontal and vertical boundary signals in the left frame and the right frame, estimating the horizontal and the vertical motion vector for each block in a reference frame, selecting a reliable motion vectors from a set of motion vectors, dividing the selected block into smaller features, feeding the data to an affine or a perspective transformation model to solve for the model parameters, running the model parameters through a temporal filter, portioning the estimated misalignment parameters between the left frame and right frame, and modifying the left frame and the right frame to save some boundary space.

    摘要翻译: 一种使用改进的仿射或透视模型估计立体失准的方法和装置。 该方法包括将左帧和右帧划分为块,比较左帧和右帧中的水平和垂直边界信号,估计参考帧中每个块的水平和垂直运动矢量,选择可靠的运动矢量 从一组运动矢量中,将所选择的块分成更小的特征,将数据馈送到仿射或透视变换模型以解决模型参数,通过时间滤波器运行模型参数,将估计的未对准参数分布在左侧 帧和右帧,并修改左帧和右帧,以节省一些边界空间。

    METHOD AND APPARATUS FOR IMPROVING AUTOMATIC WHITE BALANCE WITH SCENE INFORMATION
    9.
    发明申请
    METHOD AND APPARATUS FOR IMPROVING AUTOMATIC WHITE BALANCE WITH SCENE INFORMATION 有权
    改善自动白平衡与场景信息的方法和装置

    公开(公告)号:US20100149420A1

    公开(公告)日:2010-06-17

    申请号:US12636374

    申请日:2009-12-11

    IPC分类号: H04N9/73

    CPC分类号: H04N9/73

    摘要: A method and apparatus for automatic white balancing of an image. The method includes retrieving scene analysis of the image, determining at least one of the type of the scene and a scene content map utilizing the scene analysis of the image, performing scene adaptive white balance, if overall scene category type is used, perform white balance by applying global R, G, B gains optimized for the global scene type, and if scene segmentation map is used, perform locally adaptive white balance by applying an R, G, B gain map optimized for each scene content.

    摘要翻译: 一种图像自动白平衡的方法和装置。 该方法包括检索图像的场景分析,使用图像的场景分析来确定场景的类型和场景内容映射中的至少一个,执行场景自适应白平衡,如果使用整体场景类别类型,执行白平衡 通过应用针对全局场景类型优化的全局R,G,B增益,并且如果使用场景分割图,则通过应用为每个场景内容优化的R,G,B增益图执行本地自适应白平衡。

    METHOD AND APPARATUS FOR WHITE BALANCE
    10.
    发明申请
    METHOD AND APPARATUS FOR WHITE BALANCE 审中-公开
    白平衡的方法和装置

    公开(公告)号:US20120155763A1

    公开(公告)日:2012-06-21

    申请号:US13402510

    申请日:2012-02-22

    IPC分类号: G06K9/00

    摘要: A method and apparatus for white balancing. The method comprising estimating the color temperature of at least a portion of the image, wherein the color temperature estimation algorithm is based on computing histogram correlations of at least a portion of at least one reference image and at least a portion of at least one target image, and correcting the white balance of at least a portion of the image utilizing the estimated color temperature.

    摘要翻译: 一种用于白平衡的方法和装置。 该方法包括估计图像的至少一部分的色温,其中色温估计算法基于计算至少一个参考图像的至少一部分和至少一个目标图像的至少一部分的直方图相关性 并且利用所估计的色温校正图像的至少一部分的白平衡。