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11. 发明授权

US4617589A Adaptive frame comb filter system 失效
标题翻译：自适应帧梳状滤波系统
公开(公告)号：US4617589A
公开(公告)日：1986-10-14
申请号：US682765
申请日：1984-12-17
申请人： Hermann J. Weckenbrock
发明人： Hermann J. Weckenbrock
IPC分类号： H04N9/78 , H04N9/64
CPC分类号： H04N9/78
摘要： A frame comb filter system having circuitry to minimize motion-induced artifacts in the reproduced image includes a line comb filter to extract a relatively high frequency luminance correction signal from frame comb filtered chrominance signal. This luminance correction signal, however, includes undesirable signal components due to vertical chrominance transitions even in the absence of motion. The system therefore includes circuitry to selectively recombine the high frequency luminance correction signal with frame comb filtered luminance signal only when motion occurs.
摘要翻译：具有用于最小化再现图像中的运动引起的伪影的电路的帧梳状滤波器系统包括线梳状滤波器，用于从帧梳状滤波色度信号中提取相对较高频率的亮度校正信号。然而，即使在没有运动的情况下，该亮度校正信号也包括由于垂直色度转换引起的不期望的信号分量。因此，该系统包括仅在运动发生时选择性地将高频亮度校正信号与帧梳状滤波的亮度信号重新组合的电路。

12. 发明授权

US5294979A Estimation of noise using burst gate response to video signal 失效
标题翻译：使用突发门控响应视频信号估计噪声
公开(公告)号：US5294979A
公开(公告)日：1994-03-15
申请号：US73478
申请日：1993-06-09
申请人： Chandrakant B. Patel , Hermann J. Weckenbrock , Werner F. Wedam , Ted N. Altman
发明人： Chandrakant B. Patel , Hermann J. Weckenbrock , Werner F. Wedam , Ted N. Altman
IPC分类号： H04N5/21 , H04N17/02 , H04N17/00 , H04N5/08 , H04N5/213 , H04N9/64
CPC分类号： H04N17/02
摘要： Noise estimation circuitry for estimating the noise in a small number of horizontal scanning lines of a video signal includes a lowpass line comb filter responding to said video signal, but not to chrominance-descriptive components thereof. The video signal free from chrominance-descriptive components is repeatedly sampled during the backporch interval of each horizontal scanning line, and the samples are accumulated to generate a revised noise estimate each successive horizontal scanning line.
摘要翻译：用于估计视频信号的少量水平扫描线中的噪声的噪声估计电路包括响应于所述视频信号的低通线梳状滤波器，但不对其色度描述的分量。在每个水平扫描线的后续间隔期间重复采样没有色度描述分量的视频信号，并且累积采样以产生每个连续的水平扫描线的修正的噪声估计。

13. 发明授权

US5083203A Control signal spreader 失效
标题翻译：控制信号扩展器
公开(公告)号：US5083203A
公开(公告)日：1992-01-21
申请号：US531057
申请日：1990-05-31
申请人： Jung-Wan Ko , Hermann J. Weckenbrock
发明人： Jung-Wan Ko , Hermann J. Weckenbrock
IPC分类号： H04N7/12 , H03H15/00 , H03H17/02 , H04N5/14 , H04N9/78
CPC分类号： H04N9/78 , H04N5/14
摘要： Apparatus for spreading a control signal comprised of widening circuits for extending the control signal horizontally and vertically, a line signal spreading circuit for generating a ramp of increasing values during a given interval at the beginning of each extended control signal, maintaining the maximum value of the ramp for the remainder of the extended control signals and generating a ramp of decreasing values at the end of each extended control signal and also including a circuit for combining the signal values at corresponding points along a plurality of lines as the lines are scanned.
摘要翻译：用于扩展包括扩展电路的控制信号的装置，用于水平和垂直地扩展控制信号;线信号扩展电路，用于在每个扩展控制信号的开始处产生给定间隔期间的增加值的斜坡，保持最大值扩展控制信号的其余部分产生斜坡，并在每个扩展控制信号结束时产生减小值的斜坡，并且还包括用于组合沿线扫描的沿着多条线的对应点处的信号值的电路。

14. 发明授权

US4661853A Interfield image motion detector for video signals 失效
标题翻译：用于视频信号的场间图像运动检测器
公开(公告)号：US4661853A
公开(公告)日：1987-04-28
申请号：US794222
申请日：1985-11-01
申请人： Barbara J. Roeder , Leopold A. Harwood , Hermann J. Weckenbrock
发明人： Barbara J. Roeder , Leopold A. Harwood , Hermann J. Weckenbrock
IPC分类号： H04N7/32 , H04N5/14 , H04N5/21 , H04N9/77 , H04N9/78 , H04N11/04 , H04N7/18 , H04N5/213
CPC分类号： H04N5/21 , H04N5/144
摘要： A motion detector for determining image motion in a video signal develops an array of signals representing the difference between pixels from adjacent frames. The array of signals are grouped into subarrays, each of which include the signal corresponding to the pixel under examination for motion. Each of the subarrays are independently examined to determine if the magnitude of all of the pixel differences represented in a particular subarray exceed a predetermined threshold and/or the pixel differences have like polarity. If these conditions are met in any one of the subarrays, a motion signal is produced.
摘要翻译：用于确定视频信号中的图像运动的运动检测器产生表示来自相邻帧的像素之间的差异的信号阵列。信号阵列被分组成子阵列，每个子阵列包括对应于正在检查的运动像素的信号。独立地检查每个子阵列以确定在特定子阵列中表示的所有像素差异的大小是否超过预定阈值和/或像素差异具有相似的极性。如果在任何一个子阵列中满足这些条件，则产生运动信号。

15. 发明授权

US06178530B1 Addressing scheme for convolutional interleaver/de-interleaver 失效
标题翻译：卷积交织器/解交织器的寻址方案
公开(公告)号：US06178530B1
公开(公告)日：2001-01-23
申请号：US09065854
申请日：1998-04-24
申请人： Ahmad K. Aman , Hermann J. Weckenbrock
发明人： Ahmad K. Aman , Hermann J. Weckenbrock
IPC分类号： G11C2900
CPC分类号： H04L1/0071 , H03M13/2732 , H03M13/2764 , H04L1/0043 , H04L1/0052
摘要： A memory addressing scheme suitable for use for either interleaving or de-interleaving data bytes of, e.g., a broadcast digital television (DTV) data stream. A number of memory branches are configured in a random access memory (RAM), wherein at least some of the branches have different numbers of memory locations for reading out and for storing data bytes, thus defining memory branches of different lengths in the RAM. A start address is determined for each of the memory branches in the RAM, corresponding to a first memory location of each branch. An offset value is determined for each memory branch, to be added to the start address for the branch for addressing a memory location of the branch. If an offset value does not exceed the length of a corresponding branch, an address corresponding to the sum of the branch start address and the offset value is generated for addressing a successive memory location of the branch, and the offset value for the branch is incremented by one. When an offset value equals the length of a corresponding branch, an address corresponding to a last memory location of the branch is generated, and the offset value for the branch is reset to zero.
摘要翻译：一种适用于交织或解交织例如广播数字电视（DTV）数据流的数据字节的存储器寻址方案。多个存储器分支被配置在随机存取存储器（RAM）中，其中至少一些分支具有不同数量的存储器位置，用于读出和存储数据字节，从而定义RAM中不同长度的存储器分支。确定对应于每个分支的第一存储器位置的RAM中的每个存储器分支的起始地址。为每个存储器分支确定偏移值，以将其添加到用于寻址分支的存储器位置的分支的起始地址。如果偏移值不超过相应分支的长度，则生成与分支起始地址和偏移值之和相对应的地址，用于寻址分支的连续存储位置，并且分支的偏移值增加一个当偏移值等于相应分支的长度时，生成与分支的最后一个存储单元对应的地址，并将分支的偏移值重置为零。

16. 发明授权

US4651211A Video signal motion detecting apparatus 失效
标题翻译：视频信号运动检测装置
公开(公告)号：US4651211A
公开(公告)日：1987-03-17
申请号：US819861
申请日：1986-01-17
申请人： Hermann J. Weckenbrock , Barbara J. Roeder , Robert F. Casey , Leopold A. Harwood , Werner F. Wedam
发明人： Hermann J. Weckenbrock , Barbara J. Roeder , Robert F. Casey , Leopold A. Harwood , Werner F. Wedam
IPC分类号： H04N9/78 , H04N5/14 , H04N5/21 , H04N7/32 , H04N9/77 , H04N11/04 , H04N11/20
CPC分类号： H04N5/144
摘要： A motion detector for detecting interimage motion represented by composite video signals analyzes both the chrominance and luminance components for image motion. Interimage motion represented by the luminance component is determined from interimage signal differences. The interimage signal differences are separated into high and low frequency spectra corresponding to fine and coarse luminance image detail. Selected signal differences from the low frequency spectrum are summed and threshold detected to determine motion in the coarse image detail. The high frequency spectrum of the sample differences are applied to parallel summing circuits which sum different combinations of sample differences in order to discriminate motion signals from non-moving chrominance transitions. The detection signals from the high and low frequency motion detectors are combined to produce a luminance motion signal. Interimage motion represented by the chrominance component is detected by combining selected ones of interimage signal sums. The interimage signal sums are high pass filtered and applied to parallel combining elements which discriminate chrominance motion from vertical luminance transitions.

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