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1. 发明申请

WO2003021970A1 LOW BANDWIDTH VIDEO COMPRESSION 审中-公开
标题翻译：低带宽视频压缩
公开(公告)号：WO2003021970A1
公开(公告)日：2003-03-13
申请号：PCT/US2002/028254
申请日：2002-09-04
申请人： FAROUDJA COGNITION SYSTEMS, INC. , FAROUDJA, Yves, C.
发明人： FAROUDJA, Yves, C.
IPC分类号： H04N7/26
CPC分类号： G06T9/20 , H04N19/132 , H04N19/20 , H04N19/30 , H04N19/39 , H04N19/587 , H04N19/59
摘要： In one embodiment, a low bandwidth encoder extracts edge transitions to provide a video signal mainly representing image contours. The contours' amplitude and width may be standardized. Significant points along the contours are extracted as nodes to provide a first encoder output layer. A low-resolution, essentially contour-free video signal representing the image provides a second encoder output layer. For a moving image, the frame rate of the layers may be reduced. In one embodiment, a decoder receives the first and second layers and derives a video signal representing contours by space-domain interpolating the nodes signal. The resulting contours video signal and low-resolution, essentially contour-free video signal are multiplicatively or pseudo-multiplicatively combined to provide an output approximating the original input signal. For a moving image, morphing reference points derived from frames of the nodes video signal are used to provide time-domain interpolation before or after multiplicative or pseudo-multiplicative combining.
摘要翻译：在一个实施例中，低带宽编码器提取边缘转换以提供主要表示图像轮廓的视频信号。轮廓的幅度和宽度可以是标准化的。沿着轮廓的重要点被提取为节点以提供第一编码器输出层。表示图像的低分辨率，基本上无轮廓的视频信号提供第二编码器输出层。对于运动图像，可以降低层的帧速率。在一个实施例中，解码器接收第一层和第二层，并通过空间域内插节点信号导出表示轮廓的视频信号。所得到的轮廓视频信号和低分辨率，基本上无轮廓的视频信号被乘法或伪乘法组合以提供逼近原始输入信号的输出。对于运动图像，使用从节点视频信号的帧导出的变形参考点来在乘法或伪乘法组合之前或之后提供时域插值。

2. 发明申请

WO2003021969A2 MULTI-LAYER VIDEO COMPRESSION SYSTEM WITH SYNTHETIC HIGH FREQUENCIES 审中-公开
标题翻译：具有合成高频的多层视频压缩系统
公开(公告)号：WO2003021969A2
公开(公告)日：2003-03-13
申请号：PCT/US2002/027443
申请日：2002-08-27
申请人： FAROUDJA COGNITION SYSTEMS, INC. , FAROUDJA, Yves, C.
发明人： FAROUDJA, Yves, C.
IPC分类号： H04N7/26
CPC分类号： H04N19/625 , H04N19/30
摘要： Multi-layered motion or still video compression includes, in an encoder or encoding function aspect of the invention, separating the video signal into low-frequency and high-frequency components, processing the low-frequency components of the video signal to generate synthetic high-frequency components, the low-frequency components or a data reduced version of the low-frequency components comprising a main or base layer, and generating the difference between the synthetic high-frequency components and the actual high-frequency components, the difference comprising an error or enhancement layer signal. A decoder or decoding function aspect of the invention processes the main layer to generate synthetic high-frequency components and combines the synthetic high-frequency components, main layer and enhancement layer to provide a decoded output signal similar to the video signal applied to the encoder.
摘要翻译：在本发明的编码器或编码功能方面，多层运动或静态视频压缩包括将视频信号分离成低频和高频分量，处理低频分量和低频分量生成合成高频分量的视频信号，包括主层或基本层的低频分量或数据简化版本的低频分量，并且生成合成高频分量与实际高频分量之间的差值，频率分量，差值包括误差或增强层信号。本发明的解码器或解码功能方面处理主层以生成合成高频分量，并组合合成高频分量，主层和增强层以提供与施加到编码器的视频信号类似的解码输出信号。

3. 发明申请

WO2003021969A3 MULTI-LAYER VIDEO COMPRESSION SYSTEM WITH SYNTHETIC HIGH FREQUENCIES 审中-公开
公开(公告)号：WO2003021969A3
公开(公告)日：2003-03-13
申请号：PCT/US2002/027443
申请日：2002-08-27
申请人： FAROUDJA COGNITION SYSTEMS, INC. , FAROUDJA, Yves, C.
发明人： FAROUDJA, Yves, C.
IPC分类号： H04N7/26
摘要： Multi-layered motion or still video compression includes, in an encoder or encoding function aspect of the invention, separating the video signal into low-frequency and high-frequency components, processing the low-frequency components of the video signal to generate synthetic high-frequency components, the low-frequency components or a data reduced version of the low-frequency components comprising a main or base layer, and generating the difference between the synthetic high-frequency components and the actual high-frequency components, the difference comprising an error or enhancement layer signal. A decoder or decoding function aspect of the invention processes the main layer to generate synthetic high-frequency components and combines the synthetic high-frequency components, main layer and enhancement layer to provide a decoded output signal similar to the video signal applied to the encoder.

4. 发明申请

WO1996012374A1 TELEVISION DIGITAL SIGNAL PROCESSING APPARATUS EMPLOYING TIME-BASE CORRECTION 审中-公开
标题翻译：电视数字信号处理设备采用时基校正
公开(公告)号：WO1996012374A1
公开(公告)日：1996-04-25
申请号：PCT/US1995013318
申请日：1995-10-06
申请人： FAROUDJA, Yves, C.
发明人： FAROUDJA, Yves, C. , WAGNER, Steven, D.
IPC分类号： H04N09/896
CPC分类号： H04N7/0102 , H04N7/0105 , H04N9/896
摘要： A color television signal, digitized by a sampling clock asynchronous with respect to the television signal's horizontal synchronizing pulses, is applied to a dynamically programmable digital filter (40) which upsamples or dowsamples the received digitized television signal over short time periods in response to time-base disturbances in the signal. The user may also select a higher or lower long-term clock frequency. Resampled digital samples are applied to a FIFO memory (44) for readout at a clock rate which follows the time-averaged horizontal frequency of the received digitized television signal, or, alternatively, at a substantially fixed clock rate, asynchronous with respect to the horizontal line frequency of the received digitized color television signal.
摘要翻译：通过相对于电视信号的水平同步脉冲异步的采样时钟数字化的彩色电视信号被施加到动态可编程的数字滤波器（40），该数字滤波器响应于时间 - 频率在短时间段上对采样或采样接收的数字化电视信号，基波干扰信号。用户还可以选择更高或更低的长期时钟频率。重新采样的数字样本被应用于FIFO存储器（44），以按照所接收的数字化电视信号的时间平均水平频率的时钟速率读出，或者以基本上固定的时钟速率相对于水平方向异步接收的数字化彩色电视信号的线路频率。

5. 发明申请

WO1997039586A1 UNIVERSAL VIDEO DISC RECORD AND PLAYBACK EMPLOYING MOTION SIGNALS FOR HIGH QUALITY PLAYBACK OF NON-FILM SOURCES 审中-公开
标题翻译：通用视频盘记录和回放运行信号用于高质量回放非电影来源
公开(公告)号：WO1997039586A1
公开(公告)日：1997-10-23
申请号：PCT/US1997007691
申请日：1997-04-11
申请人： FAROUDJA, Yves, C.
发明人： FAROUDJA, Yves, C.
IPC分类号： H04N07/26
CPC分类号： H04N7/014 , H04N7/0112 , H04N9/8042 , H04N19/46
摘要： A "universal" system records or transmits both 24 fps (or 25 fps) motion picture film sources and non-film interlaced or progressively-scanned video sources, employing any one of several international television standards (e.g., NTSC, PAL, HDTV/ATV, etc.) as progressively-scanned video at a nominal frame rate of 24 or 25 frames per second (i.e., 24 Hz or 25 Hz). When the source is interlaced video, a real-time motion signal, independent of motionless vertical transitions between the temporally displaced fields in the interlaced television signal, is recorded or transmitted along with the progressively-scanned video data. Use of a real-time motion signal in reproducing video derived from an interlace television signal source results in a reproduced interlaced television signal (whether a conventional NTSC or PAL reproduction or an enhanced reproduction) substantially free of interlace errors, despite the conversion to and from progressive scanning, or, alternatively, a reproduced frame-multiplied progressively-scanned television signal substantially free of motion artifacts, despite the conversion to progressive scanning and the subsequent multiplication of frame rate.
摘要翻译： “通用”系统使用几种国际电视标准（例如NTSC，PAL，HDTV / ATV）中的任何一种记录或传输24fps（或25fps）的动态影像源和非电影隔行或逐行扫描的视频源等）作为逐级扫描的视频，其标称帧速率为24或25帧/秒（即24Hz或25Hz）。当源是隔行扫描视频时，独立于隔行电视信号中的时间上移位的场之间的静止垂直转换的实时运动信号与逐行扫描的视频数据一起被记录或发送。使用实时运动信号再现从交错电视信号源导出的视频，导致重现的隔行扫描电视信号（无论是常规NTSC还是PAL再现或增强再现）基本上没有交错误差，尽管转换为和从或者可替换地，即使转换为逐行扫描和随后的帧速乘法，基本上没有运动伪影的再现的逐帧扫描的逐渐扫描的电视信号。

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