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    • 23. 发明授权
    • Scene-based non-uniformity correction method using local constant statistics
    • 基于场景的非均匀性校正方法使用局部常数统计
    • US07782378B2
    • 2010-08-24
    • US11869968
    • 2007-10-10
    • Chao ZhangWenyi Zhao
    • Chao ZhangWenyi Zhao
    • H04N5/217
    • G06T5/002
    • A scene-based non-uniformity correction method employing local constant statistics for eliminating fixed pattern noise in a video comprising a plurality of images is disclosed, comprising the steps of providing an initial gain image, an initial offset image, a predetermined pyramid level, and a filter of a predetermined level; setting one of the plurality of input images to the current image; calculating a temporary true scene image for the current image based on the initial gain image and the initial offset image; accumulating a temporal mean image and a temporal standard deviation image based on the calculated temporary true scene image; setting another of the plurality of images to the current image and repeating the setting, calculating, and accumulating steps until substantially all of the images of the plurality of images have been processed, otherwise further perform the steps of calculating a Gaussian mean image based on the accumulated temporal mean and calculating a Gaussian gain image based on the accumulated temporal standard deviation image; spectrum shaping the Gaussian mean image and the Gaussian gain image based on the predetermined pyramid level and the filter of a predetermined level; multiplying the spectrum shaped Gaussian gain image by the initial gain image to obtain a final gain image; and multiplying the spectrum shaped Gaussian mean image by the initial gain image and add the initial offset image to obtain a final offset image.
    • 公开了一种使用局部常数统计量来消除包括多个图像的视频中的固定模式噪声的基于场景的非均匀性校正方法,包括以下步骤:提供初始增益图像,初始偏移图像,预定金字塔电平,以及 预定水平的过滤器; 将多个输入图像中的一个设置为当前图像; 基于初始增益图像和初始偏移图像计算当前图像的临时真实场景图像; 基于所计算的临时真实场景图像累积时间平均图像和时间标准偏差图像; 将多个图像中的另一个图像设置为当前图像,并重复设置,计算和累积步骤,直到已经处理了多个图像的基本上所有的图像,否则进一步执行基于该图像的高斯平均图像的计算步骤 累积时间均值,并基于积累的时间标准差图像计算高斯增益图像; 基于预定金字塔级别和预定级别的滤波器对高斯均值图像和高斯增益图像进行频谱整形; 将光谱高斯增益图像乘以初始增益图像以获得最终增益图像; 并将光谱高斯平均图像乘以初始增益图像,并加上初始偏移图像以获得最终的偏移图像。
    • 27. 发明申请
    • MULTI-SCALE MULTI-CAMERA ADAPTIVE FUSION WITH CONTRAST NORMALIZATION
    • 多尺度多摄像机自适应融合与对比正态化
    • US20090169102A1
    • 2009-07-02
    • US12275781
    • 2008-11-21
    • Chao ZhangPeter Jeffrey BurtGooitzen Sieman van der Wal
    • Chao ZhangPeter Jeffrey BurtGooitzen Sieman van der Wal
    • G06K9/40G06K9/36
    • G06T5/007G06T3/4061G06T5/002G06T5/50G06T2200/28G06T2207/20221H04N5/3653
    • A computer implemented method for fusing images taken by a plurality of cameras is disclosed, comprising the steps of: receiving a plurality of images of the same scene taken by the plurality of cameras; generating Laplacian pyramid images for each source image of the plurality of images; applying contrast normalization to the Laplacian pyramids images; performing pixel-level fusion on the Laplacian pyramid images based on a local salience measure that reduces aliasing artifacts to produce one salience-selected Laplacian pyramid image for each pyramid level; and combining the salience-selected Laplacian pyramid images into a fused image. Applying contrast normalization further comprises, for each Laplacian image at a given level: obtaining an energy image from the Laplacian image; determining a gain factor that is based on at least the energy image and a target contrast; and multiplying the Laplacian image by a gain factor to produce a normalized Laplacian image.
    • 公开了一种用于融合由多个摄像机拍摄的图像的计算机实现的方法,包括以下步骤:接收由所述多个照相机拍摄的相同场景的多个图像; 为所述多个图像的每个源图像生成拉普拉斯金字塔图像; 对拉普拉斯金字塔图像应用对比度归一化; 在拉普拉斯金字塔图像上执行像素级融合,基于局部显着度测量,可以减少混叠伪像,从而为每个金字塔级别产生一个突出显示的拉普拉斯金字塔图像; 并将突出显示的拉普拉斯金字塔图像组合成融合图像。 对于每个拉普拉斯图像,应用对比度归一化进一步包括:从拉普拉斯图像获得能量图像; 确定至少基于能量图像和目标对比度的增益因子; 并将拉普拉斯图像乘以增益因子以产生归一化拉普拉斯图像。
    • 29. 发明授权
    • System and method for displaying motherboard alarms
    • 显示主板报警的系统和方法
    • US07496802B2
    • 2009-02-24
    • US11309341
    • 2006-07-28
    • Jing-Chao ZhangHua Dong
    • Jing-Chao ZhangHua Dong
    • G06F11/00
    • G06F11/0769
    • An exemplary method for displaying motherboard alarms includes the steps of: reading status information of the motherboard; classifying the status information, each kind of information corresponding to an alarm category, and each alarm category corresponding to an alarm sound; reading a configuration file; determining whether the parameters of the motherboard comply with parameter ranges set in the configuration file; determining an alarm category and setting a corresponding alarm sound, and displaying alarm interfaces if any parameter of the motherboard does not comply with the parameter ranges set in the configuration file.
    • 用于显示主板报警器的示例性方法包括以下步骤:读取主板的状态信息; 对状态信息进行分类,对应于报警类别的各种信息,以及对应于报警声的每个报警类别; 阅读配置文件; 确定主板的参数是否符合配置文件中设置的参数范围; 确定报警类别并设置相应的报警声,并且如果主板的任何参数不符合配置文件中设置的参数范围,则显示报警接口。