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1. 发明授权

US5689301A Method and apparatus for identifying video fields produced by film sources 失效
标题翻译：用于识别电影来源产生的视频场的方法和装置
公开(公告)号：US5689301A
公开(公告)日：1997-11-18
申请号：US366791
申请日：1994-12-30
申请人： Todd J. Christopher , Carlos Correa
发明人： Todd J. Christopher , Carlos Correa
IPC分类号： H04N5/253 , H04N7/01 , H04N7/18
CPC分类号： H04N7/0115
摘要： A first pixel of a given field is compared with second and third vertically aligned pixels of corresponding horizontal position of an adjacent field to produce, for each first pixel, a pixel difference signal having a value of zero if the value of the first pixel is intermediate the values of the second and third pixels, the difference signal otherwise having a value equal to the absolute value of a difference between the value of the first pixel and the value of one of the second and third pixels having a value closest to that of first pixel. The pixel difference signals are accumulated over a predetermined portion of one field period of the video signal to provide a field difference signal which is analyzed by a group of five correlators for patterns characteristic of 2-2 pull-down or 3-2 pull-down film mode sources. Flags are produced for identifying film mode operation and for identifying which of the adjacent fields to use in subsequent video processing such as de-interlacing or flicker reduction.
摘要翻译：将给定场的第一像素与相邻场的相应水平位置的第二和第三垂直对齐像素进行比较，以对于每个第一像素产生如果第一像素的值为中间的值为零的像素差信号第二和第三像素的值，差分信号否则具有等于第一像素的值与具有最接近第一像素的值的第二和第三像素之一的值之间的差的绝对值的值像素。像素差信号被累积在视频信号的一个场周期的预定部分上，以提供一个场差信号，该信号由一组五个相关器分析，用于2-2下拉或3-2下拉的特征电影模式来源。产生用于识别电影模式操作并识别用于后续视频处理（例如去隔行扫描或闪烁降低）中的哪些相邻字段的标志。

2. 发明授权

US5563651A Method and apparatus for identifying video fields produced by film sources employing 2-2 and 3-2 pull down sequences 失效
标题翻译：用于识别使用2-2和3-2下拉序列的电影源产生的视频场的方法和装置
公开(公告)号：US5563651A
公开(公告)日：1996-10-08
申请号：US366799
申请日：1994-12-30
申请人： Todd J. Christopher , Carlos Correa
发明人： Todd J. Christopher , Carlos Correa
IPC分类号： H04N5/253 , H04N5/44 , H04N7/01 , H04N9/11 , H04N3/36
CPC分类号： H04N7/0115 , H04N7/012 , H04N7/0132 , H04N9/11
摘要： A binary number is generated representative of net motion during a field interval of an interlaced video signal from which a field to field difference signal is derived having a sign bit and a group of magnitude bits. The magnitude bits are compared with a first threshold to provide a first threshold indicating signal which, with the sign bit, are applied via respective bus lines to each correlator of a group of five correlators. The correlators are addressed using variable modulo addressing to detect patterns representative of 2--2 pull down and 3-2 pull down film originated frames. Logic is provided for detecting when one and only one of the five correlators indicates film detection to verify film mode operation. Error reduction is further enhanced by comparing the field difference signal with a second threshold, higher than the first, to provide a second thresold indicating signal to each correlator via a second bus. Flags are produced for identifying film mode operation and for identifying also which of two adjacent fields are suitable for use in subsequent video processing such as de-interlacing or flicker reduction.
摘要翻译：在隔行扫描视频信号的场间隔中产生代表净运动的二进制数，其中导出具有符号位和一组幅度比特的场到场差信号。将幅度比与第一阈值进行比较，以提供第一阈值指示信号，其中符号位通过相应的总线施加到一组五个相关器的每个相关器。使用可变模寻址来对相关器进行寻址，以检测表示2-2下拉和3-2下拉膜起始帧的图案。提供逻辑用于检测何时五个相关器中的一个且仅一个指示胶片检测以验证胶片模式操作。通过将场差信号与高于第一阈值的第二阈值相比较来进一步增强误差减小，以通过第二总线向每个相关器提供第二thresold指示信号。产生用于识别电影模式操作并且用于识别两个相邻字段中的哪一个适合于后续视频处理（例如去隔行扫描或闪烁降低）的标志。

3. 发明授权

US08559711B2 Method for correcting chromatic aberration 有权
公开(公告)号：US08559711B2
公开(公告)日：2013-10-15
申请号：US12381330
申请日：2009-03-10
申请人： Frank Hassenpflug , Wolfgang Endress , Carlos Correa
发明人： Frank Hassenpflug , Wolfgang Endress , Carlos Correa
IPC分类号： G06K9/00 , G03F3/08
CPC分类号： H04N9/045 , G02B27/0025
摘要： The invention relates to a method for correcting chromatic aberration in an image capture device like a camera. It comprises the steps of determining, in the image, an analyzing area around the current pixel, comparing, for the current pixel, a first color component data of a first block of pixels comprising the current pixel to a second color component data of pixels of second blocks of pixels having the same size as the first block within the analyzing area, selecting the second block of pixels having the highest correlation with the first block of pixels, determining the shift vector to be applied to the selected second block in order that said selected second block coincides spatially with said first block of pixels, and shifting the second color component data of the pixel of the selected second block corresponding to the current pixel in accordance with the shift vector so as to correct chromatic aberration.

4. 发明授权

US08441415B2 Method and device for reducing line load effect 失效
标题翻译：减少线路负载效应的方法和装置
公开(公告)号：US08441415B2
公开(公告)日：2013-05-14
申请号：US10583533
申请日：2004-12-14
申请人： Sébastien Weitbruch , Cédric Thebault , Carlos Correa
发明人： Sébastien Weitbruch , Cédric Thebault , Carlos Correa
IPC分类号： G09G3/28
CPC分类号： G09G3/2029 , G09G3/2946 , G09G2320/0285 , G09G2320/0626 , G09G2330/021 , G09G2360/16
摘要： The present invention relates to a method for processing data of a picture to be displayed on a display panel with persistent luminous elements in order to reduce load effect in said display means. The method comprises the following steps: computing, for each subfield, the amount of activated luminous elements in each line of luminous elements of the display panel, called line load, calculating, for each subfield, the maximal difference of line loads of two consecutive lines of the display panel, and selecting, for each subfield, a sustain frequency in accordance with its maximal load difference in order to reduce line load effect.
摘要翻译：本发明涉及一种用于处理要在持续发光元件的显示面板上显示的图像的数据的方法，以减少所述显示装置中的负载效应。该方法包括以下步骤：对于每个子场，计算显示面板的每行发光元件中的激活的发光元件的量，称为线路负载，针对每个子场计算两条连续线的线路负载的最大差值并且根据其最大负载差异为每个子场选择维持频率，以减少线路负载效应。

5. 发明申请

US20070200796A1 Method and apparatus for avoiding overheating of drivers of a plasma display panel 失效
标题翻译：用于避免等离子体显示面板的驱动器过热的方法和装置
公开(公告)号：US20070200796A1
公开(公告)日：2007-08-30
申请号：US11709005
申请日：2007-02-20
申请人： Sebastien Weitbruch , Cedric Thebault , Carlos Correa
发明人： Sebastien Weitbruch , Cedric Thebault , Carlos Correa
IPC分类号： G09G3/28
CPC分类号： G09G3/2037 , G09G3/28 , G09G2320/0271 , G09G2330/045
摘要： Overheating while enabling a full flexibility in the display usage should be avoided. This object is solved by a method for avoiding the overheating of a driver circuit in a plasma display panel wherein the driver circuit receives serially display data in form of a sequence of sub-field data bits and forwards parallelly the display data in the form of data blocks each consisting of a predefined number of sub-field data bits, the method comprising the steps of counting sub-field data bits the value of which differs from that of a neighbouring or preceding sub-field data bit and providing a respective counting signal indicative of heat contributions of sub-field data bits and, if said counting signal is above a pregiven threshold, taking countermeasures for reducing said temperature.
摘要翻译：应避免在显示使用方面实现充分灵活性的过热。该目的通过一种用于避免等离子体显示面板中的驱动电路过热的方法来解决，其中驱动器电路以子场数据位序列的形式接收串行显示数据，并且以数据形式并行转发显示数据每个由预定数量的子场数据位组成的块，所述方法包括以下步骤：计数其值与相邻或先前的子场数据位的值不同的子场数据位，并提供指示性的相应计数信号的子场数据位的热贡献，并且如果所述计数信号高于预定阈值，则采取降低所述温度的对策。

6. 发明申请

US20070159469A1 Method and apparatus for processing video pictures, in particular for large area flicker effect reduction 审中-公开
标题翻译：用于处理视频图像的方法和装置，特别是用于大面积闪烁效果降低
公开(公告)号：US20070159469A1
公开(公告)日：2007-07-12
申请号：US11327043
申请日：2006-01-06
申请人： Cedric Thebault , Carlos Correa , Rainer Zwing
发明人： Cedric Thebault , Carlos Correa , Rainer Zwing
IPC分类号： G09G5/00 , G06F3/038
CPC分类号： G09G3/2029 , G09G3/204 , G09G3/2044 , G09G2320/0247 , G09G2320/0285
摘要： The invention relates to a method and apparatus for processing video pictures, in particular for large area flicker effect and false contour effect reduction. This method concerns a new coding called Parallel Peak Coding. The general idea of the Parallel Peak Code is to have almost always the same energy in two packets of light and to encode the code words for these two packets differently so that changes in sub-field code word will not appear in the two packet code words simultaneously.
摘要翻译：本发明涉及用于处理视频图像的方法和装置，特别是用于大面积闪烁效果和假轮廓效果降低。该方法涉及称为并行峰值编码的新编码。并行峰值代码的总体思想是在两个光束中具有几乎总是相同的能量，并且对于这两个分组的代码字进行不同的编码，使得子字段代码字的改变不会出现在两个分组码字中同时。

7. 发明授权

US07227581B2 Method and apparatus for processing video pictures, in particular for large area flicker effect reduction 有权
标题翻译：用于处理视频图像的方法和装置，特别是用于大面积闪烁效果降低
公开(公告)号：US07227581B2
公开(公告)日：2007-06-05
申请号：US10776585
申请日：2004-02-11
申请人： Carlos Correa , Sébastien Weitbruch , Rainer Zwing , Gangolf Hirtz
发明人： Carlos Correa , Sébastien Weitbruch , Rainer Zwing , Gangolf Hirtz
IPC分类号： H04N5/57
CPC分类号： G09G3/2033 , G09G3/2029 , G09G3/204 , G09G3/28 , G09G2320/0247 , G09G2320/0266 , Y10S348/91
摘要： Plasma Display Panels (PDP) are becoming more and more interesting for TV technology. Due to the larger size of PDPs, with larger viewing angle the large area flicker effect will become more serious in the future, in particular when handling 50 Hz video standards. This invention proposes a different sub-field organisation, with different coding, which reduces large area flicker artefact, and which is characterised by: 1. Grouping of sub-fields (SF) in 2 sub-field groups (G1, G2), of similar structure. 2. Adjusting the starting times of the two sub-field groups to a time raster corresponding to a doubling of the frame repetition rate by adding a first blanking period of a first dedicated length behind the last sub-field of the first sub-field group and a second blanking period of a second dedicated length behind the last sub-field of the second sub-field group.
摘要翻译：等离子显示面板（PDP）对电视技术越来越有趣。由于PDP尺寸较大，视野角度较大，未来大面积的闪烁效应将会更加严重，特别是在处理50Hz视频标准时。本发明提出了一种具有不同编码的不同的子场组织，其减少了大面积的闪烁伪像，其特征在于：1.在2个子场组（G 1，G 2）中分组子场（SF），结构相似。 2.通过将第一专用长度的第一消隐周期添加到第一子场组的最后一个子场之后，将两个子场组的开始时间调整到对应于帧重复频率加倍的时间光栅以及在第二子场组的最后一个子场之后的第二专用长度的第二消隐周期。

8. 发明申请

US20070103399A1 Method and apparatus for power level control of a display device 有权
标题翻译：一种用于显示装置的功率电平控制的方法和装置
公开(公告)号：US20070103399A1
公开(公告)日：2007-05-10
申请号：US11595294
申请日：2006-11-09
申请人： Carlos Correa , Cedric Thebault , Rainer Zwing
发明人： Carlos Correa , Cedric Thebault , Rainer Zwing
IPC分类号： G09G3/28
CPC分类号： G09G3/2944 , G09G2320/0626 , G09G2360/16
摘要： The invention concerns a video processing for improving the picture quality of picture which are displayed on display devices like plasma display panels and all kind of display devices based on the principle of duty cycle modulation of light emission and for reducing the average power dissipation. The basic idea behind the invention is to generate only the required amount of sustain pulses that effectively produce light and to avoid generating unnecessary sustain pulses. To this end, the video range of the input video is increased in order to be equal to a nominal range, 255 in the case of a 8-bit coding, and a power level mode with a reduced number of sustain pulses is selected to keep constant the brightness of the image. The number of sustain pulses that do not produce light is reduced.
摘要翻译：本发明涉及一种视频处理，用于根据发光的占空比调制原理和用于降低平均功耗的方式，提高在等离子体显示面板和各种显示装置等显示装置上显示的画面的画面质量。本发明的基本思想是仅产生所需量的有效产生光的维持脉冲，并避免产生不必要的维持脉冲。为此，输入视频的视频范围增加以便等于标称范围，在8位编码的情况下为255，并且选择具有减少的维持脉冲数的功率电平模式以保持恒定图像的亮度。不产生光的维持脉冲的数量减少。

9. 发明申请

US20070103397A1 Method and apparatus for power control in a display device 有权
标题翻译：显示装置中功率控制的方法和装置
公开(公告)号：US20070103397A1
公开(公告)日：2007-05-10
申请号：US11593734
申请日：2006-11-07
申请人： Carlos Correa , Cedric Thebault , Rainer Zwing
发明人： Carlos Correa , Cedric Thebault , Rainer Zwing
IPC分类号： G09G3/28
CPC分类号： G09G3/2944 , G09G2320/0626 , G09G2360/16
摘要： The invention relates to a new method for power level control of a display device and an apparatus for carrying out the method. Classically, the contrast/brightness control and the power management (based on an average power level control) are made independently. These two controls can be contradictory. According to the invention, the power level mode and more particularly the number of sustain pulses within the video frame is selected as a function of the average power level (APL) of the picture to be displayed and the picture control signal representing the desired contrast and/or brightness value.
摘要翻译：本发明涉及一种用于显示装置的功率电平控制的新方法和用于执行该方法的装置。经典地，独立地进行对比度/亮度控制和功率管理（基于平均功率电平控制）。这两个控制可以是矛盾的。根据本发明，功率电平模式，特别是视频帧内的维持脉冲的数量被选择为要显示的图像的平均功率电平（APL）和表示期望的对比度的图像控制信号的函数，以及 /或亮度值。

10. 发明授权

US07023450B1 Data processing method and apparatus for a display device 失效
标题翻译：用于显示装置的数据处理方法和装置
公开(公告)号：US07023450B1
公开(公告)日：2006-04-04
申请号：US10089361
申请日：2000-09-27
申请人： Sébastien Weitbruch , Carlos Correa , Rainer Zwing
发明人： Sébastien Weitbruch , Carlos Correa , Rainer Zwing
IPC分类号： G09G5/02
CPC分类号： G09G3/2033 , G09G3/2003 , G09G3/2029 , G09G3/294 , G09G2320/0261 , G09G2320/0266 , G09G2320/106
摘要： With the new plasma display panel technology new kinds of artefacts can occur in video pictures due to the principle that brightness control is done with a modulation of small lighting pulses in a number of periods called sub-fields. These artefacts are commonly described as ‘dynamic false contour effect’. To compensate for this effect motion estimators are used and with the resulting motion vectors corrected sub-field code words are calculated for the critical pixels. Today's motion estimators work with the luminance signal component of the pixels. This is not sufficient for plasma displays. It is therefore proposed to make the motion vector calculation separately for the color components and with either the sub-field code words as data input or with single bit data input for performing motion estimation separately for single sub-fields or for a sub-group of bits from the sub-field code words. The proposal also concerns apparatuses for performing the inventive method.
摘要翻译：利用新的等离子体显示面板技术，由于在多个称为子场的周期中通过调制小的照明脉冲进行亮度控制的原理，视频图像中可能会出现新的伪像。这些人造物通常被描述为“动态假轮廓效应”。为了补偿这种影响，使用运动估计器，并且针对关键像素计算得到的运动矢量校正子场码字。今天的运动估计器与像素的亮度信号分量一起工作。这对于等离子体显示器是不够的。因此，提出分别对颜色分量进行运动矢量计算，并且使用子场码字作为数据输入或单个位数据输入分别执行用于单个子场或子组的子组的运动估计来自子字段代码字的位。该提案还涉及用于执行本发明的方法的装置。

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