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1. 发明授权

US5890109A Re-initializing adaptive parameters for encoding audio signals 失效
标题翻译：重新初始化用于编码音频信号的自适应参数
公开(公告)号：US5890109A
公开(公告)日：1999-03-30
申请号：US623264
申请日：1996-03-28
申请人： Mark R. Walker , Jeffrey Kidder , Michael Keith
发明人： Mark R. Walker , Jeffrey Kidder , Michael Keith
IPC分类号： G10L11/02 , G10L3/02
CPC分类号： G10L25/78 , G10L2025/786
摘要： One or more dynamically updated measures are generated for an audio stream. Processing is performed using the measures to distinguish silent periods from non-silent periods in the audio stream and the audio stream is encoded, wherein the silent periods are encoded differently from the non-silent periods. The processing is re-initialized during the encoding of the audio stream, if certain conditions are met. In a preferred embodiment, the processing is re-initialized if either of the following two conditions is met: (1) one of the non-silent periods is longer than a duration threshold or (2) an energy measure for the silent periods of the audio stream exceeds an energy threshold level.
摘要翻译：为音频流生成一个或多个动态更新的度量。使用用于区分音频流中的静音期与非静音期的措施进行处理，并对音频流进行编码，其中无声期间与非静默期不同地进行编码。如果满足某些条件，则在音频流的编码期间重新初始化处理。在优选实施例中，如果满足以下两个条件之一，则重新初始化处理：（1）非静音期间中的一个长于持续时间阈值，或者（2）对于静默时段的能量测量，音频流超过能量阈值电平。

2. 发明授权

US5978756A Encoding audio signals using precomputed silence 失效
标题翻译：使用预先计算的静音编码音频信号
公开(公告)号：US5978756A
公开(公告)日：1999-11-02
申请号：US623259
申请日：1996-03-28
申请人： Mark R. Walker , Jeffrey Kidder , Michael Keith
发明人： Mark R. Walker , Jeffrey Kidder , Michael Keith
IPC分类号： G10L19/00 , G10L3/02
CPC分类号： G10L19/012
摘要： An audio stream is analyzed to distinguish silent periods from non-silent periods and an encoded bitstream is generated for the audio stream, wherein the silent periods are represented by one or more sets of canned encoded data corresponding to representative silent periods. In a preferred embodiment, one of the sets of canned encoded data is randomly selected for each silent period. There may be different sets of silent periods corresponding to different types of silent periods, where a particular type of silent period is selected based on some characteristic of the audio stream (e.g., energy level of the silent periods). In addition, the sets of encoded data may be generated from actual silent periods of the audio stream.
摘要翻译：分析音频流以区分静默期与非静默期，并为音频流生成编码比特流，其中无声期由与代表性静默期对应的一组或多组固定编码数据表示。在优选实施例中，在每个静默期间随机地选择一组固定编码数据。可以存在对应于不同类型的无声期间的不同的静音期集合，其中基于音频流的某些特性（例如，无声期间的能量级别）选择特定类型的静音期间。此外，可以从音频流的实际静音时段生成编码数据组。

3. 发明授权

US07670441B2 Method for preventing air pollution using a mobile processing enclosure 有权
标题翻译：使用移动处理机箱防止空气污染的方法
公开(公告)号：US07670441B2
公开(公告)日：2010-03-02
申请号：US12044356
申请日：2008-03-07
申请人： Michael Keith
发明人： Michael Keith
IPC分类号： B65H1/00
CPC分类号： B08B15/02 , B01D46/0058 , B01D46/0068 , B23K7/10 , B23K37/00
摘要： A method of processing materials at multiple work sites that prevents contamination of the atmosphere. The method includes providing a plurality of work sites containing workpieces, positioning a track connecting the sites, providing a mobile system comprising an enclosure and a treatment system in communication with a space enclosed by the enclosure, moving the mobile system so that the enclosure surrounds the workpieces on the first site, processing those workpieces, moving the mobile system along the track as a single unit onto a second work site, and processing those workpieces on the second site. The enclosure may be readily openable at opposing portions facing the track to enable the enclosure to pass over workpieces on the plurality of work sites. Additionally, a method of constructing an operation for processing workpieces is provided.
摘要翻译：在多个工作场所处理材料以防止大气污染的方法。该方法包括提供包含工件的多个工作场所，定位连接站点的轨道，提供包括外壳的移动系统和与由外壳包围的空间通信的处理系统，移动移动系统使得外壳围绕第一站点上的工件，处理这些工件，将作为单个单元的轨道上的移动系统移动到第二工作地点，以及在第二站点处理这些工件。外壳可以在面向轨道的相对部分处容易地打开，以使外壳能够越过多个工作现场上的工件。此外，提供了构造用于处理工件的操作的方法。

4. 发明授权

US06941021B2 Video conferencing 失效
标题翻译：视频会议
公开(公告)号：US06941021B2
公开(公告)日：2005-09-06
申请号：US10739631
申请日：2003-12-16
申请人： Judith A. Goldstein , Lawrence K. Freytag , Michael Keith
发明人： Judith A. Goldstein , Lawrence K. Freytag , Michael Keith
IPC分类号： G06T9/00 , G06K9/36
CPC分类号： G06T9/005
摘要： A method and apparatus for video conferencing is disclosed. According to one embodiment, a Universal Serial Bus (USB) enabled digital video camera may output an encoded information stream. The USB-enabled digital video camera including an encoder may compress image data received by the USB-enabled digital video camera during a real-time video conference to produce the encoded information stream in which no frame of the encoded information stream may depend on a previous frame by performing intra frame encoding. A computer system coupled to the USB-enabled digital video camera via a USB may be used to decode the encoded information stream and to transmit the image data to one or more other computer systems as part of a video conferencing data stream.
摘要翻译：公开了一种用于视频会议的方法和装置。根据一个实施例，支持通用串行总线（USB）的数字摄像机可以输出编码的信息流。包括编码器的支持USB的数字摄像机可以在实时视频会议期间压缩由启用USB的数字摄像机接收的图像数据，以产生编码的信息流，其中编码信息流的帧不依赖于先前的帧执行帧内编码。可以使用通过USB耦合到启用USB的数字摄像机的计算机系统来对编码的信息流进行解码，并将图像数据作为视频会议数据流的一部分传送到一个或多个其他计算机系统。

5. 发明授权

US06771830B2 Differential pulse code modulation image compression with varying levels of quantizers 失效
标题翻译：差分脉冲编码调制图像压缩与不同级别的量化器
公开(公告)号：US06771830B2
公开(公告)日：2004-08-03
申请号：US09904829
申请日：2001-07-12
申请人： Judith A. Goldstein , Lawrence K. Freytag , Michael Keith
发明人： Judith A. Goldstein , Lawrence K. Freytag , Michael Keith
IPC分类号： G06K936
CPC分类号： G06T9/005
摘要： A method and apparatus for encoding a digital image is disclosed. A difference is calculated between a first sample from a current scan line and a corresponding second sample from a previous scan line. A quantization table level is selected from a quantization table that includes at least one level, and information identifying the selected level is placed into an information stream. A quantizer is selected from the quantization table level based on the calculated difference and information corresponding to the selected quantizer is place into the information stream.
摘要翻译：公开了一种用于对数字图像进行编码的方法和装置。在来自当前扫描线的第一样本和来自先前扫描线的对应的第二样本之间计算差值。从包括至少一个级别的量化表中选择量化表级别，并且将识别所选级别的信息放入信息流中。基于所计算的差异从量化表级别中选择量化器，并将与所选量化器相对应的信息放入信息流中。

6. 发明授权

US06351567B1 Efficient encoding of video blocks 有权
标题翻译：视频块的高效编码
公开(公告)号：US06351567B1
公开(公告)日：2002-02-26
申请号：US09219741
申请日：1998-12-22
申请人： Jeffrey S. McVeigh , Michael Keith
发明人： Jeffrey S. McVeigh , Michael Keith
IPC分类号： G06K936
CPC分类号： H04N19/132 , H04N19/107 , H04N19/176 , H04N19/61
摘要： A method for encoding video blocks. In one embodiment of the invention, a detector, which compares an observation value associated with each block in a video sequence to a probabilistic threshold in order to predict whether each block is empty or non-empty, is described.
摘要翻译：一种用于编码视频块的方法。在本发明的一个实施例中，描述了一种检测器，其将与视频序列中的每个块相关联的观测值与概率阈值进行比较，以便预测每个块是空还是非空。

7. 发明授权

US5857088A System for configuring memory space for storing single decoder table, reconfiguring same space for storing plurality of decoder tables, and selecting one configuration based on encoding scheme 失效
标题翻译：用于配置用于存储单个解码器表的存储器空间的系统，重新配置用于存储多个解码器表的相同空间，以及基于编码方案选择一个配置
公开(公告)号：US5857088A
公开(公告)日：1999-01-05
申请号：US529908
申请日：1995-09-18
申请人： Michael Keith , Eiichi Kowashi
发明人： Michael Keith , Eiichi Kowashi
IPC分类号： G06F9/38 , G06T1/20 , G06F9/30
CPC分类号： G06T1/20 , G06F9/30072 , G06F9/3863
摘要： Single-instruction multiple-data is a new class of integrated video signal processors especially suited for real-time processing of two-dimensional images. The single-instruction, multiple-data architecture is adopted to exploit the high degree of parallelism inherent in many video signal processing algorithms. Features have been added to the architecture which support conditional execution and sequencing--an inherent limitation of traditional single-instruction multiple-data machines. A separate transfer engine offloads transaction processing from the execution core, allowing balancing of input/output and compute resources--a critical factor in optimizing performance for video processing. These features, coupled with a scalable architecture allow a united programming model and application driven performance.
摘要翻译：单指令多数据是一类新的集成视频信号处理器，特别适用于二维图像的实时处理。采用单指令多数据架构来开发许多视频信号处理算法中固有的高度并行度。功能已被添加到支持条件执行和排序的架构中，这是传统单指令多数据机器的固有局限性。单独的传输引擎从执行核心中卸载事务处理，允许平衡输入/输出和计算资源，这是优化视频处理性能的关键因素。这些功能与可扩展架构相结合，可以实现统一的编程模型和应用驱动的性能。

8. 发明授权

US5548793A System for controlling arbitration using the memory request signal types generated by the plurality of datapaths 失效
标题翻译：用于使用由多个数据路径生成的存储器请求信号类型来控制仲裁的系统
公开(公告)号：US5548793A
公开(公告)日：1996-08-20
申请号：US230899
申请日：1994-04-21
申请人： David L. Sprague , Kevin Harney , Eiichi Kowashi , Michael Keith , Allen H. Simon , Gregory M. Papadopoulos , Walter P. Hays , George F. Salem , Shih-Wei Shiue , Anthony P. Bertapelli , Vitaly H. Shilman
发明人： David L. Sprague , Kevin Harney , Eiichi Kowashi , Michael Keith , Allen H. Simon , Gregory M. Papadopoulos , Walter P. Hays , George F. Salem , Shih-Wei Shiue , Anthony P. Bertapelli , Vitaly H. Shilman
IPC分类号： G06F9/30 , G06F9/38 , G06F13/00 , G06F15/16
CPC分类号： G06F9/3885 , G06F9/30072 , G06F9/30149 , G06F9/3802 , G06F9/3863 , G06F9/3887
摘要： A system and method for arbitrating among memory requests. According to a preferred embodiment, the system comprises a global memory and a plurality of datapaths. Each datapath comprises a datapath processor for executing instructions of an instruction sequence and for providing a plurality of memory request signal types in accordance with the instructions, wherein the plurality of memory request signal types comprises instruction memory request signals, scalar memory request signals, first-in and first-out memory request signals, statistical decoder memory request signals, and block transfer memory request signals. Each datapath also comprises local memory, a global port for transferring data between the local memory and the global memory, and a dual port comprising first and second local ports for transferring data between the local memory and the datapath processor, wherein the first and second local ports permit simultaneous transfer of data between the local memory and the datapath processor. The system comprises a data bus coupled to the global memory for transferring data to and from the global memory, and a transfer controller for controlling block transfer and scalar data transfers between the local memory and the global memory over the data bus and for arbitrating among competing datapaths of the plurality of datapaths to grant to a selected datapath access to the data bus in accordance with the signal types of the memory request signals generated by datapaths of the plurality of datapaths.
摘要翻译：一种用于在存储器请求之间进行仲裁的系统和方法。根据优选实施例，系统包括全局存储器和多个数据路径。每个数据路径包括用于执行指令序列的指令并根据指令提供多个存储器请求信号类型的数据路径处理器，其中多个存储器请求信号类型包括指令存储器请求信号，标量存储器请求信号，输入和先出存储器请求信号，统计解码器存储器请求信号和块传送存储器请求信号。每个数据路径还包括本地存储器，用于在本地存储器和全局存储器之间传送数据的全局端口，以及包括用于在本地存储器和数据路口处理器之间传送数据的第一和第二本地端口的双端口，其中第一和第二本地端口允许在本地存储器和数据路径处理器之间同时传输数据。该系统包括耦合到全局存储器的数据总线，用于将数据传送到全局存储器和从全局存储器传送数据;以及传输控制器，用于通过数据总线控制本地存储器和全局存储器之间的块传输和标量数据传输，并且用于在竞争中进行仲裁根据由多个数据路径的数据路径生成的存储器请求信号的信号类型，多个数据路径的数据路径被授权给对数据总线的选择的数据路径访问。

9. 发明授权

US5386232A Method and apparatus for encoding images using a specified data format 失效
标题翻译：使用指定数据格式对图像进行编码的方法和装置
公开(公告)号：US5386232A
公开(公告)日：1995-01-31
申请号：US78126
申请日：1993-06-16
申请人： Stuart Golin , Brian Nickerson , Michael Keith , Rohan Coelho
发明人： Stuart Golin , Brian Nickerson , Michael Keith , Rohan Coelho
IPC分类号： G06T9/00 , H04N5/765 , H04N5/781 , H04N5/85 , H04N9/804 , H04N11/04
CPC分类号： G06T9/005 , H04N5/765 , H04N9/8042 , H04N5/781 , H04N5/85
摘要： A method and apparatus for encoding image data. After encoding, the image data has an OPERATING SYSTEM header, a BITSTREAM header, a Y-COMPONENT DATA field, a U-COMPONENT DATA field, and a V-COMPONENT DATA field. Each of the DATA fields has a four-byte MC VECTOR COUNT field, an MC VECTORS field, and an ENCODED DATA field that has interleaved binary tree codes and region codes.
摘要翻译：一种用于编码图像数据的方法和装置。在编码之后，图像数据具有操作系统头部，BITSTREAM头部，Y分量数据字段，U分量数据字段和V分量数据字段。每个DATA字段都有一个四字节的MC VECTOR COUNT字段，一个MC VECTORS字段和一个已编码的二进制树代码和区域代码的ENCODED DATA字段。

10. 发明授权

US5325124A Method and apparatus for scalable decompression of a digital motion video signal using variable pixel depths 失效
标题翻译：使用可变像素深度对数字运动视频信号进行可缩放解压缩的方法和装置
公开(公告)号：US5325124A
公开(公告)日：1994-06-28
申请号：US995121
申请日：1992-12-22
申请人： Michael Keith
发明人： Michael Keith
IPC分类号： G06T9/00 , H04N7/26 , H04N7/28 , H04N7/30 , H04N7/32 , H04N7/36 , H04N7/13
CPC分类号： H04N19/507 , H04N19/60 , H04N19/93 , H04N19/94 , H04N19/13 , H04N19/91
摘要： In a method and apparatus for scalably decoding a sequence of encoded digital video frames on a digital processor, an interpolation level is determined in accordance with the processing power of the digital processor. An encoded frame is selected from the sequence for decoding. If the interpolation level is greater than a predetermined threshold, then a scalably decoded frame is formed by interpolating the selected frame in accordance with a first pixel depth level. If the interpolation level is not greater than the predetermined threshold, then a scalably decoded frame is formed by interpolating the selected frame in accordance with a second pixel depth level, the second pixel depth level having fewer bits than the first pixel depth level.
摘要翻译：在用于在数字处理器上对编码数字视频帧序列进行可缩放解码的方法和装置中，根据数字处理器的处理能力来确定内插级别。从用于解码的序列中选择编码帧。如果内插级别大于预定阈值，则通过根据第一像素深度级内插所选择的帧来形成可缩放解码的帧。如果内插级别不大于预定阈值，则通过根据第二像素深度级插入所选择的帧来形成可缩放解码的帧，第二像素深度级具有比第一像素深度级更少的比特。

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