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    • 8. 发明申请
    • Handover method and apparatus in mobile network
    • 移动网络中的切换方法和装置
    • US20090156221A1
    • 2009-06-18
    • US12233885
    • 2008-09-19
    • Jeong Suk BaeGyung Chul SihnTae Hoon KimYong Hoon ChoiSu Jung KimYoung Nam Han
    • Jeong Suk BaeGyung Chul SihnTae Hoon KimYong Hoon ChoiSu Jung KimYoung Nam Han
    • H04W36/14H04W36/00
    • H04W36/30H04W36/14
    • A method and an apparatus for performing handover in a mobile communication network are provided. The method of performing handover in a mobile communication network includes: obtaining a service providing time period and a utility function on a candidate network basis; obtaining a selection function of each of the candidate networks using the utility function and the service providing time period; and selecting a network for handover among the plurality of mobile networks using the selection function. Therefore, in consideration of user satisfaction and a network service quality, utility functions are defined and by selecting a network for handover using the utility functions, a network suitable for a user environment can be effectively selected and thus it is possible to perform handover that has a performance and a cost suitable for user request and that can maximize a quality of a mobile service.
    • 提供了一种用于在移动通信网络中执行切换的方法和装置。 在移动通信网络中执行切换的方法包括:在候选网络的基础上获得服务提供时间段和效用函数; 使用效用函数和服务提供时间段来获得每个候选网络的选择功能; 以及使用所述选择功能来选择所述多个移动网络之间的切换用网络。 因此,考虑到用户满意度和网络服务质量,定义了效用函数,并且通过使用效用函数选择用于切换的网络,可以有效地选择适合用户环境的网络,并且因此可以执行具有 适用于用户请求的性能和成本,并且可以最大限度地提高移动服务的质量。
    • 9. 发明申请
    • METHOD OF PERFORMING ROBUST AUTO WHITE BALANCE
    • 执行稳定的自动白平衡的方法
    • US20090097745A1
    • 2009-04-16
    • US11936235
    • 2007-11-07
    • Seong Dae KIMSu Jung KIMJung Woo HWANG
    • Seong Dae KIMSu Jung KIMJung Woo HWANG
    • H04N9/73
    • H04N9/73
    • Disclosed herein is a method of performing robust white balance. The method includes a first process of dividing an input image into blocks, a second process of selecting blocks having higher color errors, and calculating average RGB values of the selected blocks, a third process of selecting a specific top percentage of bright blocks, and calculating the average RGB values of these selected blocks, a fourth process of calculating average RGB values through color clustering, a fifth process of converting the average RGB values into CIE xyY color space, a sixth process of calculating the Euclidean distances between the x and y values of standard light sources in a color space and the x and y values of the average RGB values in CIE xyY color space, and selecting an average RGB value having the shortest Euclidean distance (Ed), and a seventh process of calculating white balance gain values using the selected average RGB value, and correcting the input image using the balance gain values.
    • 本文公开了一种执行稳健白平衡的方法。 该方法包括将输入图像划分成块的第一处理,选择具有较高色差的块的第二处理,以及计算所选块的平均RGB值,选择亮块的特定最高百分比的第三处理,以及计算 这些选择的块的平均RGB值,通过颜色聚类计算平均RGB值的第四处理,将平均RGB值转换为CIE xyY色彩空间的第五处理,计算x和y值之间的欧几里得距离的第六处理 的颜色空间中的标准光源和CIE xyY色彩空间中的平均RGB值的x和y值,以及选择具有最短欧几里德距离(Ed)的平均RGB值,以及计算白平衡增益值的第七处理 使用所选择的平均RGB值,并且使用平衡增益值来校正输入图像。