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1. 发明授权

US08548265B2 Fast multiplierless integer invertible transforms 有权
标题翻译：快速无乘法整数可逆转换
公开(公告)号：US08548265B2
公开(公告)日：2013-10-01
申请号：US11649491
申请日：2007-01-04
申请人： Trac D. Tran , Pankaj N. Topiwala
发明人： Trac D. Tran , Pankaj N. Topiwala
IPC分类号： G06K9/36
CPC分类号： H04N19/42 , G06F17/147 , H04N19/45 , H04N19/61
摘要： This invention relates to the design and implementation of a large family of fast, efficient, hardware-friendly fixed-point multiplierless inverse discrete cosine transforms (IDCT) and the corresponding forward transform counterparts. All of the proposed structures comprises of butterflies and dyadic-rational lifting steps that can be implemented using only shift-and-add operations. The approach also allows the computational scalability with different accuracy-versus-complexity trade-offs. Furthermore, the lifting construction allows a simple construction of the corresponding multiplierless forward DCT, providing bit-exact reconstruction if properly pairing with our proposed IDCT. With appropriately-chosen parameters, all of the disclosed structures can easily pass IEEE-1180 test. The high-accuracy algorithm of the present invention is over 100 times more accurate than IEEE-1180 specifications, leading to practically drifting-free reconstruction in popular MPEG-2 and MPEG-4 codecs even at the lowest quantization setting.
摘要翻译：本发明涉及一系列快速，高效，硬件友好的定点无乘法反相离散余弦变换（IDCT）和相应的正向变换对等体的设计与实现。所有提出的结构都包括蝴蝶和二元合理的提升步骤，可以使用移位和加法操作来实现。该方法还允许具有不同准确度与复杂度权衡的计算可扩展性。此外，提升结构允许相应的无乘法正向DCT的简单构造，如果与我们提出的IDCT正确配对，则提供比特精确重构。通过适当选择的参数，所有公开的结构可以轻松通过IEEE-1180测试。本发明的高精度算法比IEEE-1180规范精度高出100多倍，即使在最低的量化设置下，也能在流行的MPEG-2和MPEG-4编解码器中实现无漂移重建。

2. 发明授权

US06771829B1 Method for local zerotree image coding 有权
标题翻译：局部零树图像编码方法
公开(公告)号：US06771829B1
公开(公告)日：2004-08-03
申请号：US09694202
申请日：2000-10-23
申请人： Pankaj N. Topiwala , Trac D. Tran
发明人： Pankaj N. Topiwala , Trac D. Tran
IPC分类号： G06K936
CPC分类号： H04N19/17 , H04N19/127 , H04N19/129 , H04N19/63 , H04N19/647
摘要： A transform-based image compression framework called local zerotree (LZT) coding partitions the transform coefficients into small groups, each of which is encoded independently using popular zerotree algorithms. The LZT coder achieves similar coding performances as current state-of-the-art embedded coders. The advantage of this coding method is fourfold: (i) because of the reduction of memory buffering, LZT reduces the complexity of the codec implementation and increase the speed of the zerotree algorithm significantly, especially in hardware; (ii) LZT processes large images under limited memory constraint; (iii) LZT supports parallel processing mode as long as the transform in use has that capability; and (iv) LZT facilitates the coding/decoding of regions of interest. The penalty in coding performance is minute compared to global zerotree predecessors in that there are only a few extra bytes of side information. This new coder provides numerous other advantages: faster and simpler hardware implementation, supporting parallel processing mode, facilitating region-of-interest coding/decoding, and capable of processing large images under limited memory constraint. The only properties that LZT sacrifices are full embeddedness and progressive transmission.
摘要翻译：基于变换的图像压缩框架称为局部零树（LZT）编码，将变换系数分为小组，每一个都使用流行的零树算法独立编码。 LZT编码器实现与当前最先进的嵌入式编码器相似的编码性能。这种编码方法的优点有四个方面：（1）由于存储缓存的减少，LZT降低了编解码器实现的复杂度，显着提高了零树算法的速度，特别是在硬件方面; （ii）LZT在有限的记忆限制下处理大图像; （iii）LZT支持并行处理模式，只要使用中的转换具有该功能; 和（iv）LZT有助于感兴趣区域的编码/解码。与全局零树前辈相比，编码性能的惩罚是微不足道的，因为只有少量额外字节的边信息。这种新的编码器提供了许多其他优点：更快更简单的硬件实现，支持并行处理模式，便于感兴趣的区域编码/解码，并且能够在有限的存储器限制下处理大图像。 LZT牺牲的唯一属性是完全嵌入和逐行传输。

3. 发明授权

US08913660B2 Device and method for fast block-matching motion estimation in video encoders 有权
标题翻译：视频编码器中快速块匹配运动估计的装置和方法
公开(公告)号：US08913660B2
公开(公告)日：2014-12-16
申请号：US11404602
申请日：2006-04-14
申请人： Alexis Michael Tourapis , Hye-Yeon Cheong , Pankaj N. Topiwala
发明人： Alexis Michael Tourapis , Hye-Yeon Cheong , Pankaj N. Topiwala
IPC分类号： H04N7/26 , H04N7/24 , H04N19/533 , H04N19/56 , H04N19/53
CPC分类号： H04N19/567 , H04N19/139 , H04N19/147 , H04N19/176 , H04N19/42 , H04N19/43 , H04N19/513 , H04N19/52 , H04N19/527 , H04N19/53 , H04N19/533 , H04N19/56
摘要： Motion estimation is the science of predicting the current frame in a video sequence from the past frame (or frames), by slicing it into rectangular blocks of pixels, and matching these to past such blocks. The displacement in the spatial position of the block in the current frame with respect to the past frame is called the motion vector. This method of temporally decorrelating the video sequence by finding the best matching blocks from past reference frames—motion estimation—makes up about 80% or more of the computation in a video encoder. In this patent disclosure, we define a method of searching only a very sparse subset of possible displacement positions (or motion vectors) among all possible ones, to see if we can get a good enough match, and terminate early. This sparse subset of motion vectors is preselected using prior knowledge and extensive testing on video sequences.
摘要翻译：运动估计是通过将其切成矩形的像素块并将其与过去的这些块进行匹配来预测来自过去帧（或帧）的视频序列中的当前帧的科学。当前帧中相对于过去帧的块的空间位置的位移称为运动矢量。这种通过从过去的参考帧 - 运动估计中找到最佳匹配块来对视频序列进行时间去相关的方法占视频编码器中约80％或更多的计算。在该专利公开中，我们定义了一种仅搜索所有可能位移（或运动矢量）中可能的位移位置（或运动矢量）的非常稀疏子集的方法，以查看是否可以获得足够好的匹配，并且提前终止。使用先前的知识和对视频序列的广泛测试来预先选择运动矢量的稀疏子集。

4. 发明授权

US08155462B2 System of master reconstruction schemes for pyramid decomposition 有权
标题翻译：金字塔分解的主重建方案系统
公开(公告)号：US08155462B2
公开(公告)日：2012-04-10
申请号：US11968030
申请日：2007-12-31
申请人： Trac D. Tran , Lijie Liu , Pankaj N. Topiwala
发明人： Trac D. Tran , Lijie Liu , Pankaj N. Topiwala
IPC分类号： G06K9/36
CPC分类号： H04N19/33 , H04N19/60
摘要： A reconstruction system for digital signals processed by the laplacian pyramid including a master lifting-based parameterization reconstruction scheme. The system also involves the design of low-complexity FIR linear-phase integer-coefficient filtering operators for lapacian pyramid decimation and interpolation stages that deliver a minimum mean-squared error reconstruction.
摘要翻译：由拉普拉斯金字塔处理的数字信号重建系统，包括基于主提升的参数化重建方案。该系统还涉及到用于拉帕金字塔抽取和插值阶段的低复杂度FIR线性相位整数系数滤波算子的设计，其提供最小均方误差重建。

5. 再颁专利

USRE44743E1 Methods and apparatus for the composition and communication of digital composition coded multisensory messages (DCC MSMs) 有权
标题翻译：用于组合和通信数字编码多感觉消息（DCC MSM）的方法和装置
公开(公告)号：USRE44743E1
公开(公告)日：2014-02-04
申请号：US13776367
申请日：2013-02-25
申请人： Pankaj N. Topiwala , Jay C. Topiwala
发明人： Pankaj N. Topiwala , Jay C. Topiwala
IPC分类号： H04M1/64 , G06F3/00
CPC分类号： H04N21/4788 , G06Q10/107 , H04N7/157 , H04N21/23412 , H04N21/41407 , H04N21/4143 , H04N21/42203 , H04N21/4223 , H04N21/8146 , H04W4/12
摘要： Disclosed are methods and apparatus for composing and communicating Digital Composition Coded Multisensory Messages (DCC MSMs). The present invention also relates to the design, composition, creation, and communication of the multisensory messages. Multisensory messages, while rich in content and meaning, are to be composable from a great variety of platforms, from cell phones to mainframes.
摘要翻译：公开了用于组合和通信数字合成编码多感觉消息（DCC MSM）的方法和装置。本发明还涉及多感觉消息的设计，组合，创建和通信。丰富的内容和意义上的多感觉信息可以从各种各样的平台，从手机到大型机组合起来。

6. 发明授权

US08428135B2 Device and method for fast sub sample block-matching motion estimation in video encoders 有权
标题翻译：视频编码器中快速子采样块匹配运动估计的装置和方法
公开(公告)号：US08428135B2
公开(公告)日：2013-04-23
申请号：US11598976
申请日：2006-11-14
申请人： Alexandros Tourapis , Pankaj N. Topiwala
发明人： Alexandros Tourapis , Pankaj N. Topiwala
IPC分类号： H04N7/50 , H04N7/36 , H04N7/34
CPC分类号： H04N19/557 , H04N19/523 , H04N19/53 , H04N19/533 , H04N19/56 , H04N19/61
摘要： Methods of using motion estimation techniques with video encoders to provide significant data compression with respect to video signals so that the video signals may subsequently be reconstructed with minimal observable information loss. Methods include a fast fractional motion estimation scheme.
摘要翻译：使用具有视频编码器的运动估计技术来提供相对于视频信号的显着数据压缩的方法，使得视频信号随后可以以最小的可观察到的信息损失来重建。方法包括快速分数运动估计方案。

7. 发明授权

US08107599B2 Methods and apparatus for the composition and communication of digital composition coded multisensory messages (DCC MSMS) 有权
标题翻译：用于组合和通信数字编码多感觉消息（DCC MSMS）的方法和装置
公开(公告)号：US08107599B2
公开(公告)日：2012-01-31
申请号：US11354802
申请日：2006-02-15
申请人： Pankaj N. Topiwala , Jay C. Topiwala
发明人： Pankaj N. Topiwala , Jay C. Topiwala
IPC分类号： G06F3/048 , H04M1/64
CPC分类号： H04N21/4788 , G06Q10/107 , H04N7/157 , H04N21/23412 , H04N21/41407 , H04N21/4143 , H04N21/42203 , H04N21/4223 , H04N21/8146 , H04W4/12
摘要： Disclosed are methods and apparatus for composing and communicating Digital Composition Coded Multisensory Messages (DCC MSMs). The present invention also relates to the design, composition, creation, and communication of the multisensory messages. Multisensory messages, while rich in content and meaning, are to be composable from a great variety of platforms, from cell phones to mainframes.
摘要翻译：公开了用于组合和通信数字合成编码多感觉消息（DCC MSM）的方法和装置。本发明还涉及多感觉消息的设计，组合，创建和通信。丰富的内容和意义上的多感觉信息可以从各种各样的平台，从手机到大型机组合起来。

8. 发明申请

US20080117966A1 Method and compact apparatus for video capture and transmission with a common interface 审中-公开
标题翻译：用于具有通用接口的视频采集和传输的方法和小型设备
公开(公告)号：US20080117966A1
公开(公告)日：2008-05-22
申请号：US11889333
申请日：2007-08-10
申请人： Pankaj N. Topiwala , Basavaraj Mudigoudar , Sachin Patil , Wei Dai
发明人： Pankaj N. Topiwala , Basavaraj Mudigoudar , Sachin Patil , Wei Dai
IPC分类号： H04B1/66
CPC分类号： H04N21/43632 , H04N7/181 , H04N21/4143 , H04N21/4183 , H04N21/44 , H04N21/4854
摘要： A system and method are provided for a highly compact apparatus, instantiated in software firmware, or in a hardware circuit board, whose purpose is multimedia encoder processing; a secondary apparatus, whether instantiated in software, firmware, or hardware, residing in either the same or an external system, for the purpose of providing a graphical user interface, a resource for data packaging, or for streaming; and a third apparatus, also in software, firmware or hardware, for receiving, decoding and displaying the received signal.
摘要翻译：提供了一种用于以软件固件为例的高度紧凑的设备或硬件电路板的系统和方法，其目的是多媒体编码器处理; 用于提供图形用户界面，用于数据打包的资源或用于流式传输的用于驻留在相同或外部系统中的软件，固件或硬件实例化的辅助设备; 以及用于接收，解码和显示所接收的信号的软件，固件或硬件的第三装置。

9. 发明申请

US20080175500A1 SYSTEM OF MASTER RECONSTRUCTION SCHEMES FOR PYRAMID DECOMPOSITION 有权
标题翻译：主要解决方案的系统
公开(公告)号：US20080175500A1
公开(公告)日：2008-07-24
申请号：US11968030
申请日：2007-12-31
申请人： Trac D. Tran , Lijie Liu , Pankaj N. Topiwala
发明人： Trac D. Tran , Lijie Liu , Pankaj N. Topiwala
IPC分类号： G06K9/36
CPC分类号： H04N19/33 , H04N19/60
摘要： A reconstruction system for digital signals processed by the laplacian pyramid including a master lifting-based parameterization reconstruction scheme. The system also involves the design of low-complexity FIR linear-phase integer-coefficient filtering operators for lapacian pyramid decimation and interpolation stages that deliver a minimum mean-squared error reconstruction.
摘要翻译：由拉普拉斯金字塔处理的数字信号重建系统，包括基于主提升的参数化重建方案。该系统还涉及到用于拉帕金字塔抽取和插值阶段的低复杂度FIR线性相位整数系数滤波算子的设计，其提供最小均方误差重建。

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