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11. 发明申请

US20110298965A1 SCENE-AWARE AUTOMATIC-EXPOSURE CONTROL 有权
标题翻译：场景自动曝光控制
公开(公告)号：US20110298965A1
公开(公告)日：2011-12-08
申请号：US12793848
申请日：2010-06-04
申请人： Douglas Price , Xiaosong Zhou , Hsi-Jung Wu , James Oliver Normile
发明人： Douglas Price , Xiaosong Zhou , Hsi-Jung Wu , James Oliver Normile
IPC分类号： H04N5/235
CPC分类号： H04N5/2351
摘要： A scene-aware auto-exposure control process stabilizes changes in a camera's auto-exposure settings so as to reduce lighting and color flicker during image capture operations. A metric, referred to as the Modified Adjusted Luminance (MAL) metric, is defined to remain relatively constant as long as the lighting of the scene being captured remains relatively constant. Thus, scene changes such as an object moving into, out of, or around in a scene do not significantly affect the MAL metric's value and do not, therefore, trigger an exposure adjustment. Once the MAL metric indicates a scene's lighting is stable, the camera's auto-exposure operation may be suppressed. As long as incoming frames indicate a stable lighting condition (based on the MAL metric), auto-exposure operation may remain suppressed. When incoming frames result in a substantially different MAL over a specified number of frames, auto-exposure operation may be restored.
摘要翻译：场景感知自动曝光控制过程可稳定照相机自动曝光设置的变化，以减少图像拍摄过程中的照明和颜色闪烁。被称为修正调整亮度（MAL）度量的度量被定义为保持相对恒定，只要被捕获的场景的照明保持相对恒定。因此，诸如移动到场景中的，离开或在场景中的对象的场景改变不会显着影响MAL度量的值，因此不会触发曝光调整。一旦MAL指标表明场景的照明是稳定的，则可能会抑制相机的自动曝光操作。只要进入的帧指示稳定的照明条件（基于MAL度量），自动曝光操作可能仍然被抑制。当输入帧在指定数量的帧上导致基本上不同的MAL时，可以恢复自动曝光操作。

12. 发明授权

US10536726B2 Pixel patch collection for prediction in video coding system 有权
公开(公告)号：US10536726B2
公开(公告)日：2020-01-14
申请号：US13463547
申请日：2012-05-03
申请人： Xiaosong Zhou , James Oliver Normile , Hsi-Jung Wu
发明人： Xiaosong Zhou , James Oliver Normile , Hsi-Jung Wu
IPC分类号： H04N19/103 , H04N19/105 , H04N19/97
摘要： In a video coding system, an encoder may include a coding engine to predictively code input video, a decoder to reconstruct reference pictures generated by the coding engine, a reference picture cache to store the reconstructed reference pictures, a patch cache to store prediction patches generated from other sources, and a prediction search unit to search among the reference picture cache and the patch cache to generate prediction references for use by the coding engine while coding input video. The prediction patches may be assembled from a variety of sources including: predefined image content, reference pictures being evicted from the reference picture cache, image content of prior coding sessions and image data stored by applications on a common terminal where the encoder resides. A decoder may store prediction patches in its own patch cache for synchronous decoding.

13. 发明授权

US08077256B1 Scene-aware automatic-exposure control 有权
标题翻译：场景感知自动曝光控制
公开(公告)号：US08077256B1
公开(公告)日：2011-12-13
申请号：US12793848
申请日：2010-06-04
申请人： Douglas Price , Xiaosong Zhou , Hsi-Jung Wu , James Oliver Normile
发明人： Douglas Price , Xiaosong Zhou , Hsi-Jung Wu , James Oliver Normile
IPC分类号： H04N5/238
CPC分类号： H04N5/2351
摘要： A scene-aware auto-exposure control process stabilizes changes in a camera's auto-exposure settings so as to reduce lighting and color flicker during image capture operations. A metric, referred to as the Modified Adjusted Luminance (MAL) metric, is defined to remain relatively constant as long as the lighting of the scene being captured remains relatively constant. Thus, scene changes such as an object moving into, out of, or around in a scene do not significantly affect the MAL metric's value and do not, therefore, trigger an exposure adjustment. Once the MAL metric indicates a scene's lighting is stable, the camera's auto-exposure operation may be suppressed. As long as incoming frames indicate a stable lighting condition (based on the MAL metric), auto-exposure operation may remain suppressed. When incoming frames result in a substantially different MAL over a specified number of frames, auto-exposure operation may be restored.
摘要翻译：场景感知自动曝光控制过程可稳定照相机自动曝光设置的变化，以减少图像拍摄过程中的照明和颜色闪烁。被称为修正调整亮度（MAL）度量的度量被定义为保持相对恒定，只要被捕获的场景的照明保持相对恒定。因此，诸如移动到场景中的，离开或在场景中的对象的场景改变不会显着影响MAL度量的值，因此不会触发曝光调整。一旦MAL指标表明场景的照明是稳定的，则可能会抑制相机的自动曝光操作。只要进入的帧指示稳定的照明条件（基于MAL度量），自动曝光操作可能仍然被抑制。当输入帧在指定数量的帧上导致基本上不同的MAL时，可以恢复自动曝光操作。

14. 发明申请

US20130223525A1 PIXEL PATCH COLLECTION FOR PREDICTION IN VIDEO CODING SYSTEM 审中-公开
标题翻译：在视频编码系统中预测的PIXEL PATCH收集
公开(公告)号：US20130223525A1
公开(公告)日：2013-08-29
申请号：US13463547
申请日：2012-05-03
申请人： Xiaosong Zhou , James Oliver Normile , Hsi-Jung Wu
发明人： Xiaosong Zhou , James Oliver Normile , Hsi-Jung Wu
IPC分类号： H04N7/32
CPC分类号： H04N19/97 , H04N19/103 , H04N19/105 , H04N19/176 , H04N19/20
摘要： In a video coding system, an encoder may include a coding engine to predictively code input video, a decoder to reconstruct reference pictures generated by the coding engine, a reference picture cache to store the reconstructed reference pictures, a patch cache to store prediction patches generated from other sources, and a prediction search unit to search among the reference picture cache and the patch cache to generate prediction references for use by the coding engine while coding input video. The prediction patches may be assembled from a variety of sources including: predefined image content, reference pictures being evicted from the reference picture cache, image content of prior coding sessions and image data stored by applications on a common terminal where the encoder resides. A decoder may store prediction patches in its own patch cache for synchronous decoding.
摘要翻译：在视频编码系统中，编码器可以包括用于预测性地编码输入视频的编码引擎，解码器，以重构由编码引擎生成的参考图片，用于存储重构的参考图片的参考图像高速缓存，用于存储生成的预测补丁的补丁高速缓存以及预测搜索单元，用于在参考图像高速缓存和片段高速缓存之间进行搜索，以生成预测参考，供编码引擎在编码输入视频时使用。预测补丁可以从各种来源进行组合，包括：预定图像内容，从参考图像缓存中逐出的参考图片，先前编码会话的图像内容以及存储在编码器驻留的公共终端上的应用程序存储的图像数据。解码器可以将预测补丁存储在其自己的补丁缓存中用于同步解码。

15. 发明申请

US20120057073A1 Scene-Aware Automatic-Exposure Control 有权
标题翻译：场景感知自动曝光控制
公开(公告)号：US20120057073A1
公开(公告)日：2012-03-08
申请号：US13292353
申请日：2011-11-09
申请人： Douglas Price , Xiaosong Zhou , Hsi-Jung Wu , James Oliver Normile
发明人： Douglas Price , Xiaosong Zhou , Hsi-Jung Wu , James Oliver Normile
IPC分类号： H04N5/238
CPC分类号： H04N5/2351
摘要： A scene-aware auto-exposure control process stabilizes changes in a camera's auto-exposure settings so as to reduce lighting and color flicker during image capture operations. A metric, referred to as the Modified Adjusted Luminance (MAL) metric, is defined to remain relatively constant as long as the lighting of the scene being captured remains relatively constant. Thus, scene changes such as an object moving into, out of, or around in a scene do not significantly affect the MAL metric's value and do not, therefore, trigger an exposure adjustment. Once the MAL metric indicates a scene's lighting is stable, the camera's auto-exposure operation may be suppressed. As long as incoming frames indicate a stable lighting condition (based on the MAL metric), auto-exposure operation may remain suppressed. When incoming frames result in a substantially different MAL over a specified number of frames, auto-exposure operation may be restored.
摘要翻译：场景感知自动曝光控制过程可稳定照相机自动曝光设置的变化，以减少图像拍摄过程中的照明和颜色闪烁。被称为修正调整亮度（MAL）度量的度量被定义为保持相对恒定，只要被捕获的场景的照明保持相对恒定。因此，诸如移动到场景中的，离开或在场景中的对象的场景改变不会显着影响MAL度量的值，因此不会触发曝光调整。一旦MAL指标表明场景的照明是稳定的，则可能会抑制相机的自动曝光操作。只要进入的帧指示稳定的照明条件（基于MAL度量），自动曝光操作可能仍然被抑制。当输入帧在指定数量的帧上导致基本上不同的MAL时，可以恢复自动曝光操作。

16. 发明授权

US08780986B2 Refresh pixel group selection and coding adjustment 有权
标题翻译：刷新像素组选择和编码调整
公开(公告)号：US08780986B2
公开(公告)日：2014-07-15
申请号：US12415478
申请日：2009-03-31
申请人： Hsi-Jung Wu , Xiaosong Zhou , Xiaojin Shi , Yuxin Liu
发明人： Hsi-Jung Wu , Xiaosong Zhou , Xiaojin Shi , Yuxin Liu
IPC分类号： H04N7/68 , H04N7/48 , H04N7/32 , H04N7/34 , H04N7/26 , H04N7/50 , H04N7/36
CPC分类号： H04N7/26031 , H04N7/5086 , H04N19/107 , H04N19/137 , H04N19/176 , H04N19/61
摘要： Apparatuses and methods for improving coding processes and coding parameters for coding video data are provided for. A coder may select coding parameters for video data according to a default coding policy. The default coding policy may include selection of prediction modes (e.g., intra-coding or inter-coding) for each pixel group in each frame. A video coder may select some pixel groups in a frame to be coded as refresh pixel groups as an exception to the default assignment policies. The selection of refresh pixel groups may be based on prediction relationships among multiple frames of source video data. The default coding of the refresh pixel groups is then modified to enhanced the coding of the refresh pixel groups. The refresh pixel groups may permit fewer intra (I) frames be sent and/or may improve the quality of the recovered video.
摘要翻译：提供了用于改进用于编码视频数据的编码处理和编码参数的装置和方法。编码器可以根据默认编码策略选择视频数据的编码参数。默认编码策略可以包括对每个帧中的每个像素组的预测模式（例如，帧内编码或帧间编码）的选择。视频编码器可以将要编码的帧中的一些像素组选择为刷新像素组，作为默认分配策略的例外。刷新像素组的选择可以基于源视频数据的多个帧之间的预测关系。然后修改刷新像素组的默认编码以增强刷新像素组的编码。刷新像素组可以允许更少的帧内（I）帧被发送和/或可以提高恢复的视频的质量。

17. 发明授权

US08731064B2 Post-processing for decoder complexity scalability 有权
标题翻译：后处理解码器复杂度可扩展性
公开(公告)号：US08731064B2
公开(公告)日：2014-05-20
申请号：US11530810
申请日：2006-09-11
申请人： Hsi-Jung Wu , Ionut Hristodorescu , Christian L. Duvivier , James Normile , Jochen Christian Schmidt , Chris Yoochang Chung
发明人： Hsi-Jung Wu , Ionut Hristodorescu , Christian L. Duvivier , James Normile , Jochen Christian Schmidt , Chris Yoochang Chung
IPC分类号： H04N7/12 , H04N7/50 , H04N7/26
CPC分类号： H04N7/26946 , H04N19/117 , H04N19/156 , H04N19/176 , H04N19/196 , H04N19/423 , H04N19/44 , H04N19/46 , H04N19/61 , H04N19/70 , H04N19/86
摘要： Systems, apparatuses and methods whereby a base coded video signal is provided to a decoder having a set of post-processing stages. The base coded video signal can be decoded to produce a base decoded video signal. Post-processing of the base decoded video signal can be used to produce an enhanced quality video output signal. Application of a post-processing stage can be implemented according to the capabilities of the decoder and/or the instantaneous operating parameters of the decoder and/or characteristics of a display. A control signal, communicated over a dedicated channel separate from the base coded video signal, can be used initiate and/or aid implementation of a post-processing stage. The control signal can also provide information to assist/manage the decoding of the base coded video signal. The use of additional post-processing stages increases the complexity of an overall decoding process while improving the quality of a resulting reproduced video sequence.
摘要翻译：将基本编码视频信号提供给具有一组后处理级的解码器的系统，装置和方法。基编码视频信号可被解码以产生基本解码视频信号。可以使用基本解码视频信号的后处理来产生增强的质量视频输出信号。后处理阶段的应用可以根据解码器的能力和/或解码器的瞬时操作参数和/或显示器的特性来实现。可以使用通过与基本编码视频信号分开的专用信道传送的控制信号来启动和/或辅助后处理阶段的实现。控制信号还可以提供信息来辅助/管理基本编码视频信号的解码。使用额外的后处理级增加了整体解码过程的复杂性，同时提高了所得到的再现视频序列的质量。

18. 发明申请

US20070217503A1 Scalable video coding/multiplexing compatible with non-scalable decoders 有权
标题翻译：可扩展视频编码/复用与不可扩展解码器兼容
公开(公告)号：US20070217503A1
公开(公告)日：2007-09-20
申请号：US11710183
申请日：2007-02-23
申请人： Barin Geoffry Haskell , David William Singer , Thomas Pun , Hsi-Jung Wu , James Oliver Normile
发明人： Barin Geoffry Haskell , David William Singer , Thomas Pun , Hsi-Jung Wu , James Oliver Normile
IPC分类号： H04B1/66 , H04N7/12
CPC分类号： H04N19/30 , H04N19/132 , H04N19/187 , H04N19/196 , H04N19/33 , H04N19/46 , H04N19/61 , H04N21/234327 , H04N21/2389 , H04N21/2662 , H04N21/4385 , H04N21/64792 , H04N21/6582 , H04N21/8451
摘要： Scalable video coding and multiplexing compatible with non-scalable decoders is disclosed. In some embodiments, video data is received and encoded in a manner that renders at least a base layer to be compatible with a non-scalable video encoding standard, including by assigning for at least the base layer default values to one or more scalability parameters. In some embodiments, video data is received and encoded to produce an encoded video data that includes a base layer that conforms to a non-scalable video encoding standard and one or more subordinate non-scalable layers, which subordinate non-scalable layers do not by themselves conform to the non-scalable video encoding standard but which can be combined with the base layer to produce a result that does conform to the non-scalable video encoding standard, such that the result can be decoded by a non-scalable decoder. An identification data identifying those portions of the encoded video data that are associated with a subordinate non-scalable layer is included in the encoded video data.
摘要翻译：公开了与不可扩展解码器兼容的可扩展视频编码和复用。在一些实施例中，视频数据以使至少基本层与不可扩展视频编码标准兼容的方式被接收和编码，包括通过将至少基本层默认值分配给一个或多个可伸缩性参数。在一些实施例中，视频数据被接收和编码以产生编码的视频数据，该编码视频数据包括符合不可分级视频编码标准的基本层和一个或多个从属非可缩放层，其中不可扩展层不由它们符合不可扩展视频编码标准，但可以与基本层组合以产生符合非可分级视频编码标准的结果，使得结果可以由不可扩展解码器解码。识别与下级不可缩放层相关联的编码视频数据部分的识别数据被包括在编码视频数据中。

19. 发明授权

US08937997B2 Scalable video coding/multiplexing compatible with non-scalable decoders 有权
标题翻译：可扩展视频编码/复用与不可扩展解码器兼容
公开(公告)号：US08937997B2
公开(公告)日：2015-01-20
申请号：US11710183
申请日：2007-02-23
申请人： Barin Geoffry Haskell , David William Singer , Thomas Pun , Hsi-Jung Wu , James Oliver Normile
发明人： Barin Geoffry Haskell , David William Singer , Thomas Pun , Hsi-Jung Wu , James Oliver Normile
IPC分类号： H04N19/00 , H04N19/196 , H04N21/2343 , H04N21/2389 , H04N21/2662 , H04N21/4385 , H04N21/647 , H04N21/658 , H04N21/845 , H04N19/132 , H04N19/187 , H04N19/61 , H04N19/46 , H04N19/33
CPC分类号： H04N19/30 , H04N19/132 , H04N19/187 , H04N19/196 , H04N19/33 , H04N19/46 , H04N19/61 , H04N21/234327 , H04N21/2389 , H04N21/2662 , H04N21/4385 , H04N21/64792 , H04N21/6582 , H04N21/8451
摘要： Scalable video coding and multiplexing compatible with non-scalable decoders is disclosed. In some embodiments, video data is received and encoded in a manner that renders at least a base layer to be compatible with a non-scalable video encoding standard, including by assigning for at least the base layer default values to one or more scalability parameters. In some embodiments, video data is received and encoded to produce an encoded video data that includes a base layer that conforms to a non-scalable video encoding standard and one or more subordinate non-scalable layers, which subordinate non-scalable layers do not by themselves conform to the non-scalable video encoding standard but which can be combined with the base layer to produce a result that does conform to the non-scalable video encoding standard, such that the result can be decoded by a non-scalable decoder. An identification data identifying those portions of the encoded video data that are associated with a subordinate non-scalable layer is included in the encoded video data.
摘要翻译：公开了与不可扩展解码器兼容的可扩展视频编码和复用。在一些实施例中，视频数据以使至少基本层与不可扩展视频编码标准兼容的方式被接收和编码，包括通过将至少基本层默认值分配给一个或多个可伸缩性参数。在一些实施例中，视频数据被接收和编码以产生编码的视频数据，该编码视频数据包括符合不可分级视频编码标准的基本层和一个或多个从属非可缩放层，其中不可扩展层不由它们符合不可扩展视频编码标准，但可以与基本层组合以产生符合非可分级视频编码标准的结果，使得结果可以由不可扩展解码器解码。识别与下级不可缩放层相关联的编码视频数据部分的识别数据被包括在编码视频数据中。

20. 发明授权

US5719961A Adaptive technique for encoder and decoder signal transformation 失效
标题翻译：用于编码器和解码器信号变换的自适应技术
公开(公告)号：US5719961A
公开(公告)日：1998-02-17
申请号：US625608
申请日：1996-03-29
申请人： James Oliver Normile , Katherine Shu-wei Wang , Ke-Chiang Chu , Dulce Beatriz Ponceleon , Hsi-Jung Wu
发明人： James Oliver Normile , Katherine Shu-wei Wang , Ke-Chiang Chu , Dulce Beatriz Ponceleon , Hsi-Jung Wu
IPC分类号： G06T9/00 , H04N7/26 , G06K9/36
CPC分类号： H04N19/103 , H04N19/105 , H04N19/107 , H04N19/132 , H04N19/14 , H04N19/176
摘要： A signal processing system determines the characteristic of a signal for encoding or decoding by examining and classifying such signal, and then applies a transformation or inverse transformation to such signal. Depending on classification of the signal, various transforms or inverse transforms are applicable adaptively thereto.
摘要翻译：信号处理系统通过检查和分类这样的信号来确定用于编码或解码的信号的特性，然后对这样的信号应用变换或逆变换。根据信号的分类，可以适应性地适用各种变换或逆变换。

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