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1. 发明申请

WO0219722A2 DIGITAL TRANSCODER WITH LOGO INSERTION 审中-公开
标题翻译：带有LOGO插入的数字转码器
公开(公告)号：WO0219722A2
公开(公告)日：2002-03-07
申请号：PCT/US0127213
申请日：2001-08-30
申请人： GEN INSTRUMENT CORP , CHEN XUEMIN , PANUSOPONE KRIT , LING FAN
发明人： CHEN XUEMIN , PANUSOPONE KRIT , LING FAN
IPC分类号： H04N19/40 , H04N19/46 , H04N7/26
CPC分类号： H04N19/40 , H04N19/115 , H04N19/124 , H04N19/139 , H04N19/149 , H04N19/152 , H04N19/17 , H04N19/176 , H04N19/467 , H04N19/61
摘要： A method and apparatus are disclosed by which a translucent logo is inserted into the transcoded digital bitstream of an MPEG transcoder without changing the digital nature of the bitstream. Such an MPEG transcoder has cascaded decoding and encoding sections. A translucent logo is generated and is added to the reconstructed video image produced by the decoder section of the MPEG transcoder upstream of the transcoder's encoding section. The encoding section of the transcoder then encodes the bitstream which includes the translucent logo.
摘要翻译：公开了一种方法和装置，其中半透明徽标被插入MPEG代码转码器的代码转换的数字比特流中，而不改变比特流的数字性质。这样的MPEG代码转换器具有级联的解码和编码部分。生成半透明徽标，并且被添加到由代码转换器编码部分上游的MPEG代码转换器的解码器部分产生的重构视频图像。然后，代码转换器的编码部分对包含半透明徽标的比特流进行编码。

2. 发明申请

WO0046997A9 VIDEO RATE-BUFFER MANAGEMENT SCHEME FOR MPEG TRANSCODER 审中-公开
标题翻译： MPEG TRANSCODER的视频速率缓存管理方案
公开(公告)号：WO0046997A9
公开(公告)日：2001-10-18
申请号：PCT/US0002967
申请日：2000-02-04
申请人： GEN INSTRUMENT CORP
发明人： CHEN XUEMIN , LING FAN , LUTHRA AJAY
IPC分类号： G06T9/00 , H04N7/26 , H04N7/50
CPC分类号： H04N19/40 , H04N19/115 , H04N19/126 , H04N19/14 , H04N19/149 , H04N19/152 , H04N19/159 , H04N19/172 , H04N19/176 , H04N19/61
摘要： A video buffer rate-management system and method for a transcoder buffer is disclosed. The rate-management system includes logic circuitry for determining a bit budget for a current picture at an input to the decoder, measuring a buffer fullness of an encoder buffer when the encoder buffer receives a previous picture, and allocating a number of bits to the current picture based on the buffer fullness, such that the allocated bits of the current picture is within the bit budget.
摘要翻译：公开了一种用于代码转换器缓冲器的视频缓冲器速率管理系统和方法。速率管理系统包括用于在解码器的输入处确定当前图像的比特预算的逻辑电路，当编码器缓冲器接收到先前图像时，测量编码器缓冲器的缓冲器充满度，并且向目前的数据分配多个比特基于缓冲器充满度的图像，使得当前图像的分配比特在比特预算内。

3. 发明申请

WO0235853A3 TRANSCODER-MULTIPLEXER (TRANSMUX) SOFTWARE ARCHITECTURE 审中-公开
标题翻译： TRANSCODER-MULTIPLEXER（TRANSMUX）软件体系结构
公开(公告)号：WO0235853A3
公开(公告)日：2002-10-31
申请号：PCT/US0132105
申请日：2001-10-15
申请人： GEN INSTRUMENT CORP , EIFRIG ROBERT O , LING FAN , CHEN XUEMIN
发明人： EIFRIG ROBERT O , LING FAN , CHEN XUEMIN
IPC分类号： H04N7/26 , H04N7/24 , H04N7/50
CPC分类号： H04N19/40
摘要： A digital video transcoder-multiplexer (transmux) architecture that is fully software-implemented. The transmux (200) includes transcoder processing elements (TPEs) (240) that may use a very long instruction word (VLIW) media processor (105) for performing transcoding, and de-assembly and re-assembly at a transport stream level, and a co-processor (131) for providing de-assembly and re-assembly at an elementary stream level. The processors operate in parallel, at least in part, to optimize throughput and provide processing load balancing. A transmux architecture that is fully software implemented is provided to allow upgrading to handle new functions, fix hardware or software problems, test new processes, adapt to changing customer requirements, and so forth.
摘要翻译：一种完全由软件实现的数字视频转码器 - 多路复用器（反转）架构。转换器（200）包括可以使用非常长的指令字（VLIW）媒体处理器（105）来执行转码以及在传输流级别解组装和重新组装的转码器处理元件（TPE）（240），以及协处理器（131），用于在基本流级提供拆组和重组。处理器至少部分并行运行，以优化吞吐量并提供处理负载平衡。提供完全由软件实现的transmux体系结构，允许升级以处理新功能，修复硬件或软件问题，测试新流程，适应不断变化的客户需求等等。

4. 发明申请

WO0035187B1 IMPROVEMENT OF FINE GRANULARITY SCALABILITY USING BIT PLANE CODING OF TRANSFORM COEFFICIENTS 审中-公开
标题翻译：利用变换系数的平面编码提高细粒度可扩展性
公开(公告)号：WO0035187B1
公开(公告)日：2000-07-27
申请号：PCT/US9925973
申请日：1999-11-04
申请人： GEN INSTRUMENT CORP , LING FAN
发明人： LING FAN
IPC分类号： G06T9/00 , H03M7/30 , H03M7/46 , H04N1/41 , H04N7/26 , H04N7/30
CPC分类号： H04N19/34 , H04N19/13 , H04N19/60
摘要： A system for efficient bit plane coding of transform coefficient data, such as DCT data used in a video coding system. Decimal values for the transform coefficients, e.g., in a block of several coefficients, are converted to binary values, where each bit occupies a corresponding bit plane, from the most significant bit to the least significant bit. One bit from each coefficient is provided in a common bit plane. A one-bit flag or codeword (such as "0") is used for coding - one or more initial all-zero bit planes, while another one-bit flag (such as "1") is used for designating the first subsequent non-all-zero plane. For the first non-all-zero plane, a reduced coding table is used to provide codewords that follow the one-bit flag. The coding table is reduced in size since it does not require a special "all-zero" codeword. Additionally, the use of a one-bit flag for designating the initial all-zero bit planes reduces the required number of coding bits over prior art schemes that require multi-bit all-zero codewords. An encoder (200) includes a "0" codeword function (242), a "1" codeword function (244), a reduced table (246), and conventional tables (248). A corresponding decoder (400) includes a "0" codeword function (442), a "1" codeword function (444), a reduced table (446), and conventional tables (448).
摘要翻译：一种用于变换系数数据的高效位平面编码的系统，例如在视频编码系统中使用的DCT数据。变换系数的十进制值（例如在几个系数的块中）被转换为二进制值，其中每个比特占据从最高有效位到最低有效位的对应位平面。每个系数的一位在一个公共位平面中提供。一位标志或码字（例如“0”）用于编码 - 一个或多个初始全零位平面，而另一个一位标志（例如“1”）用于指定第一个后续非零位 - 全零平面。对于第一个非全零平面，使用简化的编码表来提供遵循一位标志的码字。编码表的大小减小了，因为它不需要特殊的“全零”码字。此外，使用一比特标志来指定初始全零比特平面比需要多比特全零码字的现有技术方案减少了所需的编码比特数。编码器（200）包括“0”码字函数（242），“1”码字函数（244），缩小表（246）和传统表格（248）。相应的解码器（400）包括“0”码字函数（442），“1”码字函数（444），缩小表格（446）和常规表格（448）。

5. 发明专利

CA2375842C MULTI-CHANNEL MPEG VIDEO TRANSCODER USING MULTIPLE PROGRAMMABLE PROCESSORS 未知
公开(公告)号：CA2375842C
公开(公告)日：2007-01-23
申请号：CA2375842
申请日：2000-06-09
申请人： GEN INSTRUMENT CORP
发明人： LING FAN , CHEN XUEMIN
IPC分类号： H04N7/26 , H04N21/2365 , H04N21/434
摘要： A method and apparatus for transcoding of digital video images using a queui ng system model. Multiple transcoding processors (120, 122, 124, 260, 262, 264) are arranged in parallel. In a first architecture, an input bitstream of n channels is partitioned (220) into processing units, such as slices or frame s, the processing units are split (110, 230) into m sub-streams, and each sub- stream is processed (260, 262, 264) in a corresponding branch. A separate queue (240, 242, 244) is provided for each sub-stream. In a second architecture, the processing units are assigned to any available processor from a common queue (410). Independent processing units are processed concurrently according to the queuing system model to minimize an average processing time. In particular, processing of a reference picture (I-picture ) unit and an associated predicted picture (P- or B-picture unit) unit at the same time is avoided.

6. 发明专利

AU8860901A Digital transcoder with logo insertion 未知
公开(公告)号：AU8860901A
公开(公告)日：2002-03-13
申请号：AU8860901
申请日：2001-08-30
申请人： GEN INSTRUMENT CORP
发明人： CHEN XUEMIN , PANUSOPONE KRIT , LING FAN
IPC分类号： H04N19/40 , H04N19/46 , H04N7/26
摘要： A method and apparatus are disclosed by which a translucent logo is inserted into the transcoded digital bitstream of an MPEG transcoder without changing the digital nature of the bitstream. Such an MPEG transcoder has cascaded decoding and encoding sections. A translucent logo is generated and is added to the reconstructed video image produced by the decoder section of the MPEG transcoder upstream of the transcoder's encoding section. The encoding section of the transcoder then encodes the bitstream which includes the translucent logo.

7. 发明专利

ES2333580T3 TRANSCODIFICADOR DIGITAL CON INSERCION DE LOGO. 未知
公开(公告)号：ES2333580T3
公开(公告)日：2010-02-24
申请号：ES01968357
申请日：2001-08-30
申请人： GEN INSTRUMENT CORP
发明人： CHEN XUEMIN , PANUSOPONE KRIT , LING FAN
IPC分类号： H04N19/40 , H04N19/46
摘要： Método de inserción de un logo transparente en el flujo de bits de un transcodificador de MPEG que tiene secciones de codificación y de descodificación en cascada, dicho flujo de bits incluyendo vectores de movimiento, MV, el método comprendiendo: generar un logo transparente; añadir el logo transparente al flujo de bits del transcodificador de MPEG corriente arriba de la sección de codificación del transcodificador; compensar la inserción del logo reutilizando los MV; y codificar el flujo de bits que incluye el logo transparente, usando dichos MV, caracterizado por el hecho de que: la reutilización de los MV se hace de manera que los MV de los macrobloques, MB, que son afectados por la inserción del logo transparente son divididos en dos categorías designando un valor umbral para el porcentaje del área de cobertura del logo insertado con respecto a aquel del vídeo original de cada uno de dichos MB, y donde la fase de codificación incluye poner los MV de dichos MB a cero para los MB para los que el porcentaje del área de los MB cubierto por el logo transparente es superior al valor de umbral designado, y mantener el valor de los MV de dichos MB para los que el porcentaje del área de los MB cubierta por el logo transparente es inferior a un valor umbral designado.

8. 发明专利

BR9915880A 未知
公开(公告)号：BR9915880A
公开(公告)日：2001-09-11
申请号：BR9915880
申请日：1999-11-04
申请人： GEN INSTRUMENT CORP
发明人： LING FAN
IPC分类号： G06T9/00 , H03M7/30 , H03M7/46 , H04N1/41 , H04N7/26 , H04N7/30
摘要： A system for efficient bit plane coding of transform coefficient data, such as DCT data used in a video coding system. Decimal values for the transform coefficients, e.g., in a block of several coefficients, are converted to binary values, where each bit occupies a corresponding bit plane, from the most significant bit to the least significant bit. One bit from each coefficient is provided in a common bit plane. A one-bit flag or codeword (such as "0") is used for coding - one or more initial all-zero bit planes, while another one-bit flag (such as "1") is used for designating the first subsequent non-all-zero plane. For the first non-all-zero plane, a reduced coding table is used to provide codewords that follow the one-bit flag. The coding table is reduced in size since it does not require a special "all-zero" codeword. Additionally, the use of a one-bit flag for designating the initial all-zero bit planes reduces the required number of coding bits over prior art schemes that require multi-bit all-zero codewords. An encoder (200) includes a "0" codeword function (242), a "1" codeword function (244), a reduced table (246), and conventional tables (248). A corresponding decoder (400) includes a "0" codeword function (442), a "1" codeword function (444), a reduced table (446), and conventional tables (448).

9. 发明专利

CA2352193A1 IMPROVEMENT OF FINE GRANULARITY SCALABILITY USING BIT PLANE CODING OF TRANSFORM COEFFICIENTS 未知
公开(公告)号：CA2352193A1
公开(公告)日：2000-06-15
申请号：CA2352193
申请日：1999-11-04
申请人： GEN INSTRUMENT CORP
发明人： LING FAN
IPC分类号： G06T9/00 , H03M7/30 , H03M7/46 , H04N1/41 , H04N7/26 , H04N7/30
摘要： A system for efficient bit plane coding of transform coefficient data, such as DCT data used in a video coding system. Decimal values for the transform coefficients, e.g., in a block of several coefficients, are converted to binary values, where each bit occupies a corresponding bit plane, from the most significant bit to the least significant bit. One bit from each coefficient is provided in a common bit plane. A one-bit flag or codeword (such as "0") is used for coding - one or more initial all-zero bit planes, while another one-bit flag (such as "1") is used for designating the first subsequent non-all-zero plane. For the first non-all-zero plane, a reduced coding table is used to provide codewords that follow the one-bit flag. The coding table is reduced in size since it does not require a special "all-zer o" codeword. Additionally, the use of a one-bit flag for designating the initia l all-zero bit planes reduces the required number of coding bits over prior ar t schemes that require multi-bit all-zero codewords. An encoder (200) includes a "0" codeword function (242), a "1" codeword function (244), a reduced table (246), and conventional tables (248). A corresponding decoder (400) includes a "0" codeword function (442), a "1" codeword function (444), a reduced table (446), and conventional tables (448).

10. 发明专利

CA2420423C DIGITAL TRANSCODER WITH LOGO INSERTION 未知
公开(公告)号：CA2420423C
公开(公告)日：2012-05-01
申请号：CA2420423
申请日：2001-08-30
申请人： GEN INSTRUMENT CORP
发明人： CHEN XUEMIN , PANUSOPONE KRIT , LING FAN
IPC分类号： H04N19/40 , H04N19/46
摘要： A method and apparatus are disclosed by which a translucent logo is inserted into the transcoded digital bitstream of an MPEG transcoder without changing the digital nature of the bitstream. Such an MPEG transcoder has cascaded decoding and encoding sections. A translucent logo is generated and is added to the reconstructed video image produced by the decoder section of the MPEG transcoder upstream of the transcoder's encoding section. The encoding section of the transcoder then encodes the bitstream which includes the translucent logo.

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