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    • 1. 发明申请
    • ANNULAR VIEW FOR PANORAMA IMAGE
    • 全景图视图
    • WO2014085948A8
    • 2015-06-11
    • PCT/CN2012001632
    • 2012-12-06
    • QUALCOMM INCZHANG LEIZOU XUANLING FAN
    • ZHANG LEIZOU XUANLING FAN
    • G06T7/20G03B37/00
    • H04N5/23238G03B37/02G06T3/4038G06T11/60H04N5/23293
    • A device (300) for displaying panoramic images includes an image sensor (315), a panoramic display module (345) and a display (325). The display (110, 200) displays an annular panorama view (120, 210). The annular view (120, 210) may be an incomplete annulus for illustrating a missing view angle (126) from an incomplete panoramic image. The display (200) further includes a window (220) and a high resolution display portion (240). The window (220) bounds a portion (230) of the annular view (210). The high resolution display portion (240) displays a high resolution image corresponding to the portion (230) of the annular view (210). The window (220) is movable around the annular view (210). A size of the window (220) or the high resolution display portion (240) is adjustable. A method for generating a panoramic image is also provided.
    • 用于显示全景图像的装置(300)包括图像传感器(315),全景显示模块(345)和显示器(325)。 显示器(110,200)显示环形全景视图(120,210)。 环形视图(120,210)可以是用于示出来自不完全全景图像的缺失视角(126)的不完整环。 显示器(200)还包括窗口(220)和高分辨率显示部分(240)。 窗口(220)限定环形视图(210)的一部分(230)。 高分辨率显示部分(240)显示与环形视图(210)的部分(230)相对应的高分辨率图像。 窗口(220)可围绕环形视图(210)移动。 窗口(220)或高分辨率显示部分(240)的尺寸是可调节的。 还提供了一种用于产生全景图像的方法。
    • 2. 发明申请
    • TRANSMISSION OF MULTIPLEX PROTOCOL DATA UNITS IN PHYSICAL LAYER PACKETS
    • 多层协议数据单元在物理层分组中的传输
    • WO2007025029A2
    • 2007-03-01
    • PCT/US2006033054
    • 2006-08-23
    • QUALCOMM INCLING FAN
    • LING FAN
    • H04N7/24H04L12/00
    • H04L29/06027H04L65/607H04L65/80H04L69/04H04N7/148H04N21/23611H04N21/23614H04N21/2368H04N21/2381H04N21/4341H04N21/4348H04N21/4363H04N21/4381
    • A transmitter generates MUX-PDUs for video, audio, data, and/or control streams based on a fixed PHY packet size such that all or a substantial percentage of the MUX-PDUs conform to the PHY packet size. The MUX-PDUs have variable sizes and are mapped to PHY packets such that (1) each MUX-PDU that is smaller than the PHY packet size is sent in one PHY packet and (2) each MUX-PDU that is larger than the PHY packet size is sent in a minimum number of PHY packets. Each MUX-PDU is padded with one or more null MUX-PDUs and/or one or more padding bytes, if needed, to obtain the PHY packet size. Each PHY packet is sent in one transmission time interval (TTI) to a receiver. The receiver performs the complementary processing on the received PHY packets to recover the MUX-PDUs. The receiver forwards each valid MUX-PDU and discards any padding.
    • 发射机基于固定的PHY分组大小生成用于视频,音频,数据和/或控制流的MUX-PDU,使得所有或相当大百分比的MUX-PDU符合PHY分组大小。 MUX-PDU具有可变大小并被映射到PHY分组,使得(1)小于PHY分组大小的每个MUX-PDU在一个PHY分组中发送,以及(2)大于PHY的每个MUX-PDU 数据包大小以最小数量的PHY数据包发送。 如果需要,每个MUX-PDU被填充一个或多个空MUX-PDU和/或一个或多个填充字节,以获得PHY分组大小。 每个PHY分组以一个传输时间间隔(TTI)发送到接收机。 接收机对接收的PHY分组进行补充处理以恢复MUX-PDU。 接收机转发每个有效的MUX-PDU并丢弃任何填充。
    • 3. 发明申请
    • TRANSCODER-MULTIPLEXER (TRANSMUX) SOFTWARE ARCHITECTURE
    • TRANSCODER-MULTIPLEXER(TRANSMUX)软件体系结构
    • WO0235853A3
    • 2002-10-31
    • PCT/US0132105
    • 2001-10-15
    • GEN INSTRUMENT CORPEIFRIG ROBERT OLING FANCHEN XUEMIN
    • EIFRIG ROBERT OLING FANCHEN XUEMIN
    • H04N7/26H04N7/24H04N7/50
    • H04N19/40
    • 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.
    • 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
    • IMPROVEMENT OF FINE GRANULARITY SCALABILITY USING BIT PLANE CODING OF TRANSFORM COEFFICIENTS
    • 利用变换系数的平面编码提高细粒度可扩展性
    • WO0035187B1
    • 2000-07-27
    • PCT/US9925973
    • 1999-11-04
    • GEN INSTRUMENT CORPLING FAN
    • LING FAN
    • G06T9/00H03M7/30H03M7/46H04N1/41H04N7/26H04N7/30
    • H04N19/34H04N19/13H04N19/60
    • 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).
    • 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)。
    • 9. 发明专利
    • Video demultiplexer and decoder using efficient data recovery
    • 视频解复用器和解码器使用有效的数据恢复
    • JP2011172245A
    • 2011-09-01
    • JP2011061158
    • 2011-03-18
    • Qualcomm Incクゥアルコム・インコーポレイテッドQualcomm Incorporated
    • LEE YEN-CHITSAI MING-CHANGYE YANLING FANEL-MALEH KHALED HELMI
    • H04N7/26H04N19/895
    • H04L29/06027H04L67/04H04N19/895H04N21/4382H04N21/8455
    • PROBLEM TO BE SOLVED: To provide a video demultiplexer and a decoder using efficient data recovery. SOLUTION: A demultiplexer detects a boundary between a plurality of physical layer data units and adds boundary information to a bit stream. The demultiplexer generates adaptation layer data units to generate an application layer bit stream. When the video decoder encounters an error in the bit stream, it uses the boundary information to limit the amount of data that should be concealed. In particular, the boundary information permits the error to be associated with a small segment of data. A video decoder conceals data from the beginning of the segment of data rather than an entire slice or frame in which the segment resides. In this manner, the video decoder provides efficient data recover, thereby limiting the loss of useful data that otherwise may be purposely discarded for concealment purpose. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供使用有效数据恢复的视频解复用器和解码器。 解决方案:解复用器检测多个物理层数据单元之间的边界,并向边比特流添加边界信息。 解复用器生成适配层数据单元以生成应用层比特流。 当视频解码器在比特流中遇到错误时,它使用边界信息来限制应隐藏的数据量。 特别地,边界信息允许错误与一小段数据相关联。 视频解码器从数据段的开头隐藏数据,而不是段所在的整个片或帧。 以这种方式,视频解码器提供有效的数据恢复,从而限制了为了隐藏目的而被有意丢弃的有用数据的丢失。 版权所有(C)2011,JPO&INPIT