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    • 43. 发明专利
    • Receiving apparatus, receiving method, program, and communication system
    • 接收装置,接收方法,程序和通信系统
    • JP2009278545A
    • 2009-11-26
    • JP2008129852
    • 2008-05-16
    • Sony Corpソニー株式会社
    • IWAMI HIDEKIHOSAKA KAZUHISAFUTENMA SATOSHINISHIMURA NAOTOAKINAGA KOJI
    • H04N7/173H04N19/00H04N19/423H04N19/63H04N19/70H04N21/41H04N21/431H04N21/442
    • H04N19/42H04N5/04H04N5/08H04N19/134H04N19/44H04N19/61H04N19/619H04N19/63
    • PROBLEM TO BE SOLVED: To achieve stable synchronization in communications using line-based codec. SOLUTION: A receiving apparatus is provided which includes a header detecting section for receiving image data, coded in coding units corresponding to N lines (N is at least 1), in a field and detecting control information for determining the decoding start point of the image data from a header added to the image data; an accumulating section for accumulating the image data in storage areas allocated in coding units; a decoding start instructing section for determining the decoding start point of the image data, based on the control information detected by the header detecting section and providing an instruction to start decoding in decoding units, after waiting to the decoding start point; and a decoding section for decoding the image data accumulated in the accumulating section in decoding units, in response to the instruction to start decoding from the decoding start instructing section. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:使用基于线路的编解码器实现通信中的稳定同步。 解决方案:提供了一种接收装置,包括:头部检测部分,用于接收以字段对应于N行(N至少为1)的编码单位进行编码的图像数据,并检测用于确定解码开始点的控制信息 从添加到图像数据的标题的图像数据; 累积部分,用于将图像数据累积在以编码单位分配的存储区域中; 解码开始指示部,其基于由标题检测部检测到的控制信息,在等待解码开始点之后提供以解码为单位开始解码的指令,确定图像数据的解码开始点; 以及解码部分,用于响应于从解码开始指令部分开始解码的指令,以解码单位对累积在累积部分中的图像数据进行解码。 版权所有(C)2010,JPO&INPIT
    • 44. 发明专利
    • Signal input device and method
    • 信号输入装置和方法
    • JP2009200960A
    • 2009-09-03
    • JP2008041995
    • 2008-02-22
    • Sony Corpソニー株式会社
    • YAMASHITA SHIGEYUKI
    • G09G5/18H04L7/033H04N7/173H04N9/00H04N21/44H04N21/61
    • H04N5/08H04N5/268H04N21/23602H04N21/4342
    • PROBLEM TO BE SOLVED: To excellently transmit HD-SDI signals of multi-channels even with a simple configuration. SOLUTION: The signal input unit 11 comprises a first interface section 21a and a second interface section 21b for receiving an input video signal and extracting data. The first interface section 21a extracts data from the first input video signal transmitted differentially and supplies a playback clock generated from the first input video signal to the second interface section 21b. On the basis of the playback clock supplied from the first interface section 21a, the second interface section 21b extracts data from a second input video signal, transmitted differentially, synchronously to the first input video signal. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:即使使用简单的配置,也能够高效地传输多通道的HD-SDI信号。 解决方案:信号输入单元11包括用于接收输入视频信号并提取数据的第一接口部分21a和第二接口部分21b。 第一接口部分21a从差分发送的第一输入视频信号中提取数据,并将从第一输入视频信号产生的重放时钟提供给第二接口部分21b。 基于从第一接口部分21a提供的重放时钟,第二接口部分21b从与第一输入视频信号同步地差分发送的第二输入视频信号中提取数据。 版权所有(C)2009,JPO&INPIT
    • 47. 发明专利
    • Noise detection apparatus and method, and noise reduction apparatus and method
    • 噪声检测装置和方法,以及噪声减少装置和方法
    • JP2007060636A
    • 2007-03-08
    • JP2006186172
    • 2006-07-06
    • Victor Co Of Japan Ltd日本ビクター株式会社
    • KUBOTA KENJI
    • H04N5/21
    • H04N5/21H04N5/08
    • PROBLEM TO BE SOLVED: To provide a noise reduction apparatus in which a great degree of S/N improvement can be obtained not only in a still picture but also in a motion picture and even if the magnitude of noise varies, a change in the noise reduction effect can be reduced. SOLUTION: If a high-frequency component is involved during a blanking interval of a video signal, a noise detector 103 generates a noise detecting signal based on a level of that high-frequency component. If no high-frequency signal is involved during the blanking interval, three kinds of high-frequency components in a horizontal direction, in a vertical direction and in a time direction of the video signal are extracted, level distributions of these high-frequency components are analyzed, respectively, the magnitude of noise is determined and a noise detecting signal is generated. The noise detecting signal variably controls an attenuation coefficient in a line-cyclic filter and in a frame-cyclic filter. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供一种降噪装置,其不仅可以在静止图像中而且在运动图像中获得大量的S / N改善,并且即使噪声的大小变化,也可以改变 在降噪效果可以降低。 解决方案:如果在视频信号的消​​隐间隔期间涉及高频分量,则噪声检测器103基于该高频分量的电平产生噪声检测信号。 如果在消隐间隔期间没有涉及高频信号,则提取在视频信号的水平方向,垂直方向和时间方向上的三种高频分量,这些高频分量的电平分布为 分别分析噪声的大小,并产生噪声检测信号。 噪声检测信号可变地控制线循环滤波器和帧循环滤波器中的衰减系数。 版权所有(C)2007,JPO&INPIT