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    • 3. 发明授权
    • Apparatus and method for measuring quality of image received via communication network
    • 通过通信网络测量图像质量的装置和方法
    • US07957561B2
    • 2011-06-07
    • US11944538
    • 2007-11-23
    • Jinsoup JoungYoung Su KwakJin Man KimJin Sam JeongJae Hwan Lee
    • Jinsoup JoungYoung Su KwakJin Man KimJin Sam JeongJae Hwan Lee
    • G06K9/00
    • H04N17/004
    • Disclosed herein are an apparatus and method for measuring quality of an image received via a communication network. The apparatus includes an interface unit, a codec unit, a test image detection unit, and a Mean Opinion Score (MOS) measurement unit. The interface unit receives an image, including a start synchronization image and a test image via a communication network. The codec unit decodes the received image into a color signal. The test image detection unit detects any one value of brightness, saturation and hue information of the color signal input from the codec unit, calculates an average value for each frame, and detects the test image from the received image based on the calculated average value. The MOS measurement unit synchronizes the test image with a corresponding reference image, compares the quality of the test image with the quality of the reference image, calculates an MOS value based on the results of the comparison, and outputs the MOS value.
    • 这里公开了一种用于测量经由通信网络接收的图像的质量的装置和方法。 该装置包括接口单元,编解码器单元,测试图像检测单元和平均意见得分(MOS)测量单元。 接口单元通过通信网络接收包括起始同步图像和测试图像的图像。 编解码器单元将接收到的图像解码为颜色信号。 测试图像检测单元检测从编解码器单元输入的颜色信号的亮度,饱和度和色调信息中的任何一个值,计算每帧的平均值,并且基于所计算的平均值从接收到的图像检测测试图像。 MOS测量单元将测试图像与相应的参考图像同步,将测试图像的质量与参考图像的质量进行比较,基于比较结果计算MOS值,并输出MOS值。
    • 5. 发明授权
    • Method for automatically controling volume level for calculating MOS
    • 用于自动控制计算MOS的音量的方法
    • US08233590B2
    • 2012-07-31
    • US12095905
    • 2006-11-28
    • Jong Tae ChungJin Soup JoungYoung Su KwakJin Man KimHyun Seok Cho
    • Jong Tae ChungJin Soup JoungYoung Su KwakJin Man KimHyun Seok Cho
    • H04M1/24H04M3/08H04M3/22
    • G10L25/69H04M3/2236H04W24/00
    • The present invention relates to a method of automatically controlling the volume level of communication speech for Mean Opinion Score (MOS) measurement, which, before evaluating the quality of communication speech using a MOS measurement method, automatically controls the volume level of actual communication speech to a predetermined optimal level, thus improving the reliability of MOS values.The present invention provides a method of automatically controlling a volume level of communication speech for MOS measurement using MOS measurement equipment, the MOS measurement equipment calculating an MOS value based on results obtained by comparing a speech signal, which is received via a voice communication network, with a reference speech signal, the method comprising the steps of (a) when an audio signal, including a speech signal, is received from counterpart MOS measurement equipment in a predetermined format, measuring the volume level of the speech signal and comparing the volume level of the measured speech signal with a reference volume level; (b) transmitting a predetermined intrinsic audible frequency signal, which corresponds to ‘proper,’ ‘excess’ or ‘insufficiency’ information resulting from the comparison, to the counterpart MOS measurement equipment; and (c) the counterpart MOS measurement equipment interpreting the predetermined intrinsic audible frequency signal, which corresponds to the ‘proper,’ ‘excess’ or ‘insufficiency’ information, and controlling the volume level of the communication speech.
    • 本发明涉及一种自动控制平均意见得分(MOS)测量的通信语音音量的方法,其在使用MOS测量方法评估通信语音的质量之前,自动控制实际通信语音的音量级别 预定的最佳电平,从而提高了MOS值的可靠性。 本发明提供了一种使用MOS测量设备自动控制用于MOS测量的通信语音的音量水平的方法,所述MOS测量设备基于通过比较经由语音通信网络接收的语音信号而获得的结果来计算MOS值, 具有参考语音信号,所述方法包括以下步骤:(a)当以预定格式从对应的MOS测量设备接收到包括语音信号的音频信号时,测量语音信号的音量水平并比较音量 测量的语音信号具有参考音量级别; (b)将对应于比较产生的“适当”,“过剩”或“不足”信息的预定固有可听频率信号发送到对方MOS测量设备; 和(c)对应的MOS测量设备解释对应于“适当”,“过量”或“不足”信息的预定的内在可听频率信号,以及控制通信语音的音量。
    • 6. 发明申请
    • Method for Automatically Controling Volume Level for Calculating Mos
    • 自动控制体积等级计算Mos的方法
    • US20080285764A1
    • 2008-11-20
    • US12095905
    • 2006-11-28
    • Jong Tae ChungJin Soup JoungYoung Su KwakJin Man KimHyun Seok Cho
    • Jong Tae ChungJin Soup JoungYoung Su KwakJin Man KimHyun Seok Cho
    • H04R29/00
    • G10L25/69H04M3/2236H04W24/00
    • The present invention relates to a method of automatically controlling the volume level of communication speech for Mean Opinion Score (MOS) measurement, which, before evaluating the quality of communication speech using a MOS measurement method, automatically controls the volume level of actual communication speech to a predetermined optimal level, thus improving the reliability of MOS values.The present invention provides a method of automatically controlling a volume level of communication speech for MOS measurement using MOS measurement equipment, the MOS measurement equipment calculating an MOS value based on results obtained by comparing a speech signal, which is received via a voice communication network, with a reference speech signal, the method comprising the steps of (a) when an audio signal, including a speech signal, is received from counterpart MOS measurement equipment in a predetermined format, measuring the volume level of the speech signal and comparing the volume level of the measured speech signal with a reference volume level; (b) transmitting a predetermined intrinsic audible frequency signal, which corresponds to ‘proper,’ ‘excess’ or ‘insufficiency’ information resulting from the comparison, to the counterpart MOS measurement equipment; and (c) the counterpart MOS measurement equipment interpreting the predetermined intrinsic audible frequency signal, which corresponds to the ‘proper,’ ‘excess’ or ‘insufficiency’ information, and controlling the volume level of the communication speech.
    • 本发明涉及一种自动控制平均意见得分(MOS)测量的通信语音音量的方法,其在使用MOS测量方法评估通信语音的质量之前,自动控制实际通信语音的音量级别 预定的最佳电平,从而提高了MOS值的可靠性。 本发明提供了一种使用MOS测量设备自动控制用于MOS测量的通信语音的音量水平的方法,所述MOS测量设备基于通过比较经由语音通信网络接收的语音信号而获得的结果来计算MOS值, 具有参考语音信号,所述方法包括以下步骤:(a)当以预定格式从对应的MOS测量设备接收到包括语音信号的音频信号时,测量语音信号的音量水平并比较音量 测量的语音信号具有参考音量级别; (b)将对应于比较产生的“适当”,“过剩”或“不足”信息的预定固有可听频率信号发送到对方MOS测量设备; 和(c)对应的MOS测量设备解释对应于“适当”,“过量”或“不足”信息的预定的内在可听频率信号,以及控制通信语音的音量。