公开(公告)号：US07995793B2

公开(公告)日：2011-08-09

申请号：US10494503

申请日：2002-10-24

申请人： Mark Jozef Willem Mertens

发明人： Mark Jozef Willem Mertens

IPC分类号： G06K9/00

CPC分类号： H04N19/503 ,  H04N19/553 ,  H04N19/85

摘要： An occlusion detector (200, 201, 203, 205, 207) for detecting occlusion areas (108, 110) in an image (100) comprises a motion vector selector (202) for selecting at least two motion vectors (118, 120) from a set of motion vectors. It further comprises a pixel value comparator (206) for calculating a first and a second pixel value difference between a particular value of a particular pixel (112) of the image (100) and a second value of a second pixel (116) and a third value of a third pixel (114), both of a further image (102). The occlusion detector (200, 201, 203, 205, 207) further comprises a decision unit (204) for deciding whether the particular pixel (112) belongs to one of the occlusion areas (108, 110) by checking whether the first and second pixel value differences are larger than a first predetermined threshold and a second predetermined threshold, respectively.

摘要翻译： 一种用于检测图像（100）中的遮挡区域（108,110）的遮挡检测器（200,201,203,205,207）包括一个运动矢量选择器（202），用于从至少两个运动矢量（118,120） 一组运动矢量。 它还包括像素值比较器（206），用于计算图像（100）的特定像素（112）的特定值和第二像素（116）的第二值之间的第一和第二像素值差， 第三像素（114）的第三值，另外的图像（102）。 闭塞检测器（200,201,203,205,207）还包括判定单元（204），用于通过检查第一和第二信号是否检测特定像素（112）是否属于遮挡区域（108,110）中的一个 像素值差分别大于第一预定阈值和第二预定阈值。

公开(公告)号：US07982799B2

公开(公告)日：2011-07-19

申请号：US11618337

申请日：2006-12-29

申请人： Ulrich Niedermeier

发明人： Ulrich Niedermeier

IPC分类号： H04N11/20

CPC分类号： H04N5/14 ,  G06T3/4007 ,  H04N5/142 ,  H04N7/012

摘要： The invention relates to interpolation of an image information value for a pixel of an interline. The method comprises selecting, from a number of image directions, to each of which a direction quality value is assigned, a direction of interpolation by comparing these direction quality values. The image information value being interpolated is determined in dependence on image information values assigned to pixels lying adjacent to the pixel being interpolated in the direction of interpolation. To ascertain a direction quality value for an image direction a pixel group having at least two pixels is selected; a single direction quality value for each pixel of the pixel group is determined, the single direction quality value being dependent on image information values assigned to image regions lying adjacent to the particular pixel of the group in the image direction; and a direction quality value is created as a function of the single direction quality values of the pixel group.

摘要翻译： 本发明涉及一种用于行间像素的图像信息值的插值。 该方法包括通过比较这些方向质量值，从多个图像方向选择分配了方向质量值的每个图像方向。 内插的图像信息值根据分配给在内插方向内插的像素相邻的像素的图像信息值来确定。 为了确定图像方向的方向质量值，选择具有至少两个像素的像素组; 确定像素组的每个像素的单个方向质量值，单向质量值取决于分配给与图像方向上的组的特定像素相邻的图像区域的图像信息值; 并且作为像素组的单向质量值的函数创建方向质量值。

公开(公告)号：US07978790B2

公开(公告)日：2011-07-12

申请号：US11787205

申请日：2007-04-13

申请人： Franz-Otto Witte

发明人： Franz-Otto Witte

IPC分类号： H04L27/22

CPC分类号： H03D3/009

摘要： The invention relates to a method and a circuit for carrier control in a quadrature demodulator, wherein a complex-value input signal (I, Q) is supplied to a mixer (1) to perform mixing with a mixing frequency (fm) to create a mixed signal (Ir, Qr), the mixed signal (Ir, Qr) is supplied to a processing section (s) to generate a processed signal (Ie, Qe), the processed signal (Ie, Qe) is supplied to phase measurement device (3) in order to measure a phase (φm) of the processed signal (Ie, Qe) and the measured phase (φm) is supplied to a phase controller (4) in order to control the mixing frequency (fm); wherein an idle time (z−d) is created at least during the processing in the processing section (2). To enable a fast switching-on transition, the mixing frequency (fm) is summed or integrated to create a mixing phase (φc), the mixing phase (φc) is used for the mixing operation, as well as fed back to the phase control (4, 23), and an error created by the feedback is compensated for with a time-delayed second feedback of the mixing phase (φc).

摘要翻译： 本发明涉及一种用于正交解调器中的载波控制的方法和电路，其中复数值输入信号（I，Q）被提供给混频器（1）以进行与混频（fm）的混频以产生 混合信号（Ir，Qr），混合信号（Ir，Qr）被提供给处理部分以产生处理信号（Ie，Qe），处理信号（Ie，Qe）被提供给相位测量装置 （3）为了测量处理信号（Ie，Qe）的相位（＆amp; m），并且测量相位（＆phgr; m）被提供给相位控制器（4），以便控制混频（fm ）; 其中至少在处理部分（2）中的处理期间创建空闲时间（z-d）。 为了实现快速接通转换，将混合频率（fm）相加或积分以产生混合阶段（＆amp; c），混合阶段（＆phgr; c）用于混合操作，并反馈 到相位控制（4,23），并且通过混合阶段（＆amp; c）的时间延迟的第二反馈补偿由反馈产生的误差。

公开(公告)号：US07961251B2

公开(公告)日：2011-06-14

申请号：US10185905

申请日：2002-06-28

申请人： Richard Chi-Te Shen ,  Sheau-Bao Ng

发明人： Richard Chi-Te Shen ,  Sheau-Bao Ng

IPC分类号： H04N7/01

CPC分类号： H04N7/012 ,  H04N7/0132

摘要： A method for converting video data in a first video format to video data in a second interlaced video format comprising: determining a number of frames of the first video format to map into a frame of the second video format, the frame of the second video format having four fields; determining a number of lines from each of the number of frames of the first video format to be mapped into each of the four fields of the frame of the second video format; selecting the determined number of lines from each of the number of frames of the first video format; determining a sequence for mapping the number of selected lines into the fields of the frame of the second video format; and mapping the selected lines from each of the number frames of the first video format into the four fields of the frame of the second video format according to the determined sequence.

摘要翻译： 一种将第一视频格式的视频数据以第二隔行视频格式转换成视频数据的方法，包括：确定第一视频格式的帧数，以映射到第二视频格式的帧，第二视频格式的帧 有四个领域 确定要映射到所述第二视频格式的所述帧的所述四个场中的每一个的所述第一视频格式的帧数目中的每一个的行数; 从所述第一视频格式的帧数中的每一个中选择确定的行数; 确定用于将所选行的数量映射到所述第二视频格式的帧的字段中的序列; 以及根据所确定的顺序将所选择的线从第一视频格式的每个数字帧映射到第二视频格式的帧的四个字段。

公开(公告)号：US07944966B2

公开(公告)日：2011-05-17

申请号：US09989248

申请日：2001-11-20

申请人： Yves Ramanzin

发明人： Yves Ramanzin

IPC分类号： H04B1/66

CPC分类号： H04N19/34 ,  H04N19/107 ,  H04N19/142 ,  H04N19/179 ,  H04N19/29 ,  H04N19/51 ,  H04N19/577 ,  H04N19/61 ,  H04N19/87

摘要： The invention relates to a method of decoding a video bitstream including base layer and enhancement layer coded video signals, the method comprising the steps of decoding the base layer and enhancement layer coded video signals to produce decoded base layer frames and decoded enhancement layer frames, and displaying the decoded base layer frames either alone or with the decoded enhancement layer frames. According to the invention, each poor quality frame of the base layer to be displayed is replaced by an frame obtained either by means of an interpolation between the two frames of the enhancement layer preceding and following the poor quality frame of the base layer or by only one of these two frames, for example the temporally closest one.

摘要翻译： 本发明涉及一种解码包括基本层和增强层编码视频信号的视频比特流的方法，该方法包括以下步骤：对基本层和增强层编码的视频信号进行解码，以产生解码的基本层帧和解码的增强层帧，以及 单独或与解码的增强层帧一起显示解码的基本层帧。 根据本发明，要显示的基本层的每个不良质量的帧被替换为通过在基本层的差的质量帧之前和之后的增强层的两个帧之间的内插而获得的帧，或者仅通过 这两个框架之一，例如时间上最接近的一个。

公开(公告)号：US07894609B2

公开(公告)日：2011-02-22

申请号：US10520316

申请日：2003-07-01

申请人： Björn Heinsen

发明人： Björn Heinsen

IPC分类号： H04H20/47 ,  H04H40/72 ,  H04H20/49 ,  H04R5/00 ,  H03B29/00 ,  G06F17/00

CPC分类号： H04S1/007

摘要： Disclosed is a stereo signal processing apparatus, in particular for a digital BTSC television decoder, comprising a sub-channel signal processing section which comprises an input for inputting an input sub-channel signal, a DBX expanding means and an output for outputting an output sub-channel signal. The particularity of the present invention is that said sub-channel signal processing section further comprises a phase error compensating means for correcting a phase error of said DBX expanding means so that at said output of said sub-channel signal processing section the phase of the output sub-channel signal is essentially constant or zero over a predetermined frequency range.

摘要翻译： 公开了一种立体声信号处理装置，特别是对于数字BTSC电视解码器，其包括子信道信号处理部分，其包括用于输入输入子信道信号的输入，DBX扩展装置和用于输出输出子信号的输出 通道信号。 本发明的特征在于，所述子信道信号处理部分还包括相位误差补偿装置，用于校正所述DBX扩展装置的相位误差，使得在所述子信道信号处理部分的所述输出处，输出的相位 子信道信号在预定频率范围内基本上恒定或为零。

公开(公告)号：US07885325B2

公开(公告)日：2011-02-08

申请号：US11547937

申请日：2005-04-08

申请人： Xiaojun Yang ,  Richard W. Citta ,  Scott M. Lopresto

发明人： Xiaojun Yang ,  Richard W. Citta ,  Scott M. Lopresto

IPC分类号： H03H7/30

CPC分类号： H04L25/03057 ,  H04L7/0062 ,  H04L25/0212 ,  H04L2025/0342 ,  H04L2025/0349

摘要： A method of synchronizing a feedforward filter (46) that receives a signal resulting from the transmission of a series of symbols through a channel, wherein the series of symbols includes a predetermined sequence of symbols includes the step of developing a plurality of samples from the received symbols (60), wherein a sequence of samples corresponds to the predetermined sequence of symbols. The method further includes the steps of estimating a channel impulse response from the plurality of samples, calculating a characteristic of the channel impulse response, and synchronizing (54) the feedforward filter in accordance with the estimated channel impulse response.

摘要翻译： 一种同步前馈滤波器（46）的方法，所述前馈滤波器（46）通过信道接收由一系列符号的传输产生的信号，其中所述一系列符号包括预定的符号序列包括从接收到的多个样本开发多个样本的步骤 符号（60），其中样本序列对应于所述预定符号序列。 该方法还包括以下步骤：估计来自多个样本的信道脉冲响应，计算信道脉冲响应的特性，以及根据所估计的信道脉冲响应来同步（54）前馈滤波器。

公开(公告)号：US07880784B2

公开(公告)日：2011-02-01

申请号：US10548743

申请日：2004-03-05

申请人： Burkhard Laue ,  Nils Lahann

发明人： Burkhard Laue ,  Nils Lahann

IPC分类号： H04N15/00 ,  H04N5/225

CPC分类号： H04N19/597 ,  H04N13/261

摘要： The invention relates to an arrangement for generating a 3D video signal, which produces a 3D effect when it is displayed on a screen, from an input video signal that is made up of frames, each of which has an odd field and an even field, where in order to generate the 3D video signal alternately an even field n and an odd field n−1 (or vice versa) and subsequently alternately an even field n+1 and an odd field n (or vice versa) are displayed, where in order to generate the 3D video signal a scan converter (4, 5) is used which can display two signals in the split screen mode, one of which is delayed by means of a special function memory (4) in the scan converter, where the non-delayed signal and the delayed signal are written, horizontally compressed by a factor of two, into a conversion memory (6) and, for the purposes of displaying on a screen, when they are read are scaled up by a factor of two in the horizontal direction.

摘要翻译： 本发明涉及一种用于产生3D视频信号的装置，其从屏幕上显示的输入视频信号中产生3D效果，该视频信号由帧构成，每个帧具有奇数场和偶数场， 其中为了交替地生成3D视频信号，显示偶数场n和奇数场n-1（或反之亦然），并且随后交替地偶然场n + 1和奇数场n（或反之亦然） 为了生成3D视频信号，使用扫描转换器（4,5），其可以以分屏模式显示两个信号，其中一个信号借助于扫描转换器中的特殊功能存储器（4）被延迟，其中 非延迟信号和延迟信号以水平方式压缩2倍，被写入转换存储器（6）中，为了在屏幕上显示，当它们被读取时被放大了2倍 水平方向。

公开(公告)号：US07864904B2

公开(公告)日：2011-01-04

申请号：US11134995

申请日：2005-05-23

申请人： Wim Renirie ,  Hans Stoorvogel

发明人： Wim Renirie ,  Hans Stoorvogel

IPC分类号： H04L1/00

CPC分类号： H04H40/18 ,  H04B1/001 ,  H04B1/0025 ,  H04B1/28

摘要： The invention relates to a method for processing of a signal (s), wherein desired data (d(f(N))) are received via a desired channel (N) of a plurality of frequency channels (N−2, N−1, N, N+1, N+2) and unwanted data (d(f(N−2)), d(f(N−1)), d(f(N+1)), d(f(N+2))) can be received on a neighboring channel (N−2, N−1, N+1, N+2) and wherein the signal (s) is sampled with a sampling frequency (fa) to avoid aliasing of the desired channel (N) in order to create digital data (do), wherein the sampling frequency (fa=2f(N−1, N, N+1)) is set high enough for aliasing-free sampling of the desired channel (N) and at least one of the neighboring channels (N−1, N+1).

摘要翻译： 本发明涉及一种用于处理信号的方法，其中期望数据（d（f（N）））经由多个频道（N-2，N-1）中的期望信道（N）被接收 （f（N-1）），d（f（N + 1）），d（f（N-1）），d + 2）））可以在相邻信道（N-2，N-1，N + 1，N + 2）上被接收，并且其中以采样频率（fa）对信号进行采样，以避免 为了创建数字数据（do）而需要的信道（N），其中采样频率（fa = 2f（N-1，N，N + 1））被设置得足够高以用于期望信道（N ）和相邻信道（N-1，N + 1）中的至少一个。

公开(公告)号：US07778482B2

公开(公告)日：2010-08-17

申请号：US11489091

申请日：2006-07-19

申请人： Chun-Wei Chen ,  Jiande Jiang ,  Jun Zhang ,  Zheng Liu

发明人： Chun-Wei Chen ,  Jiande Jiang ,  Jun Zhang ,  Zheng Liu

IPC分类号： G06K9/40

CPC分类号： G06T5/002 ,  G06T5/20 ,  G06T2207/20012

摘要： A method and system is provided for reducing mosquito noise in a digital image. The method and system receives an input luminance value for a first pixel in the digital image, and determines whether the first pixel is in relative close proximity to an object appearing in the digital image, based on a comparison of the variation between the input luminance value for the first pixel and luminance values of a first plurality of neighboring pixels. If the first pixel is in relative close proximity to an object, the method performs an average filtering of the input luminance value for the first pixel, based on the luminance values of a second plurality of neighboring pixels, to provide a filtered luminance value for the first pixel.

摘要翻译： 提供了一种减少数字图像中的蚊子噪音的方法和系统。 所述方法和系统接收数字图像中的第一像素的输入亮度值，并且基于输入亮度值之间的变化的比较来确定第一像素是否与出现在数字图像中的物体相对靠近 对于第一多个相邻像素的第一像素和亮度值。 如果第一像素相对靠近对象，则该方法基于第二多个相邻像素的亮度值对第一像素的输入亮度值进行平均滤波，以提供滤波后的亮度值 第一个像素