SIGNALING BIT DEPTH VALUES FOR 3D COLOR PREDICTION FOR COLOR GAMUT SCALABILITY
    81.
    发明申请
    SIGNALING BIT DEPTH VALUES FOR 3D COLOR PREDICTION FOR COLOR GAMUT SCALABILITY 审中-公开
    用于3D颜色预测的信号位深度值用于颜色游戏可扩展性

    公开(公告)号:WO2015161260A1

    公开(公告)日:2015-10-22

    申请号:PCT/US2015/026483

    申请日:2015-04-17

    摘要: Techniques are described for performing constrained three-dimensional (3D) color prediction for color gamut scalability in video coding. Color prediction techniques for color gamut scalability may be used by video coders to generate inter-layer reference pictures when a color gamut for a reference layer of video data is different than a color gamut for an enhancement layer of the video data, or when a bit depth of the reference layer is different than a bit depth of the enhancement layer. According to the techniques, a video coder may perform 3D color prediction with constrained bit depths of input and output color components of the 3D lookup table. According to further techniques, in the case of multiple layers, a video coder may perform 3D color prediction with constrained application to reference pictures in only one or more identified reference layers.

    摘要翻译: 描述了用于对视频编码中的色域可伸缩性进行约束三维(3D)颜色预测的技术。 当用于视频数据的参考层的色域不同于用于视频数据的增强层的色域时,或者当位图像数据的增强层的色域不同时,视频编码器可以使用用于色域可伸缩性的颜色预测技术来产生层间参考图像 参考层的深度不同于增强层的位深度。 根据该技术,视频编码器可以利用3D查找表的输入和输出颜色分量的受限位深度来执行3D颜色预测。 根据其他技术,在多层的情况下,视频编码器可以执行具有约束应用的3D颜色预测,以仅在一个或多个识别的参考层中参考图像。

    SIGNALING COLOR VALUES FOR 3D LOOKUP TABLE FOR COLOR GAMUT SCALABILITY IN MULTI-LAYER VIDEO CODING
    82.
    发明申请
    SIGNALING COLOR VALUES FOR 3D LOOKUP TABLE FOR COLOR GAMUT SCALABILITY IN MULTI-LAYER VIDEO CODING 审中-公开
    用于多层次视频编码中彩色游标可扩展性的三维查找表的信号颜色值

    公开(公告)号:WO2015095381A1

    公开(公告)日:2015-06-25

    申请号:PCT/US2014/070932

    申请日:2014-12-17

    摘要: Techniques are described for signaling information used to generate three-dimensional (3D) color lookup tables for color gamut scalability in multi-layer video coding. A lower layer of video data may include color data in a first color gamut and a higher layer of the video data may include color data in a second color gamut. To generate inter-layer reference pictures, a video encoder or video decoder performs color prediction using a 3D lookup table to convert the color data of a reference picture in the first color gamut to the second color gamut. According to the techniques, a video encoder may encode partition information and/or color values of a 3D lookup table generated for color gamut scalability. A video decoder may decode the partition information and/or color values to generate the 3D lookup table in order to perform color gamut scalability.

    摘要翻译: 描述了用于在多层视频编码中产生用于色域可缩放性的三维(3D)颜色查找表的信令信息的技术。 视频数据的下层可以包括第一色域中的颜色数据,并且视频数据的较高层可以包括第二色域中的颜色数据。 为了产生层间参考图像,视频编码器或视频解码器使用3D查找表执行颜色预测,以将第一色域中的参考图像的颜色数据转换为第二色域。 根据该技术,视频编码器可以编码针对色域可伸缩性生成的3D查找表的分区信息和/或颜色值。 视频解码器可以解码分区信息和/或颜色值以生成3D查找表,以便执行色域可伸缩性。

    CLOUD ENCODING SYSTEM
    83.
    发明申请
    CLOUD ENCODING SYSTEM 审中-公开
    云编码系统

    公开(公告)号:WO2015056075A1

    公开(公告)日:2015-04-23

    申请号:PCT/IB2014/002095

    申请日:2014-10-14

    申请人: SKY ITALIA S.R.L.

    摘要: The present invention provides a system (and corresponding method and devices) for encoding an ungrouped signal into a plurality of grouped signals, wherein the ungrouped signal comprises at least a video service. The system further comprises: - a first encoding means provided in a production system configured to execute a first encoding of the ungrouped video signal into a first encoded grouped signal (140) and to associate encoding information (140) with the first encoded signal; - a second encoding means (160) provided in a distribution system, wherein the second encoding means is separate from said first encoding means and is configured to execute a plurality of second encodings so as to correspondingly obtain the plurality of grouped signals (180), each of the plurality of grouped signals (180) characterised by a corresponding predetermined property, wherein the second encodings are performed on the basis of said first encoded signal using the encoding information; - a connection means configured to transmit the encoding information (140) from the first encoding means (150) to the second encoding means (160), wherein the encoding information (140) comprises information on the first encoding.

    摘要翻译: 本发明提供了一种用于将未分组信号编码成多个分组信号的系统(以及相应的方法和装置),其中未分组信号至少包括视频服务。 该系统还包括: - 生产系统中提供的第一编码装置,配置为执行未分组视频信号的第一编码为第一编码分组信号(140)并将编码信息(140)与第一编码信号相关联; - 设置在分配系统中的第二编码装置(160),其中所述第二编码装置与所述第一编码装置分离,并且被配置为执行多个第二编码,以便相应地获得所述多个分组信号(180), 多个分组信号(180)中的每一个以相应的预定属性为特征,其中使用编码信息,基于所述第一编码信号执行第二编码; - 连接装置,被配置为将编码信息(140)从第一编码装置(150)发送到第二编码装置(160),其中编码信息(140)包括关于第一编码的信息。

    ENCODING APPARATUS OF VIDEO AND AUDIO DATA, ENCODING METHOD THEREOF, AND VIDEO EDITING SYSTEM
    84.
    发明申请
    ENCODING APPARATUS OF VIDEO AND AUDIO DATA, ENCODING METHOD THEREOF, AND VIDEO EDITING SYSTEM 审中-公开
    编码视频和音频数据的设备,编码方法和视频编辑系统

    公开(公告)号:WO2010007760A3

    公开(公告)日:2010-05-27

    申请号:PCT/JP2009003294

    申请日:2009-07-14

    CPC分类号: G11B27/034 H04N19/15

    摘要: An encoding apparatus employing both a CPU and a chip or circuit dedicated to the encoding is disclosed. The encoding apparatus includes a hardware encoder 151 and a software encoder 152. The hardware encoder 151 is configured by hardware dedicated to the encoding and encodes a portion of AV data. The software encoder 152 encodes another portion of the AV data in parallel to the encoding process of the hardware encoder 151 by the use of a CPU 10. A position detector 18 detects a switching position of an allocation destination in the AV data. A data allocator 14 allocates sections of the AV data divided by the switching position to both encoders 151 and 152. A synthesizer 16 arranges the encoded AV data in a predetermined sequence to synthesize a series of encoded AV data. An output unit 17 outputs the series of encoded AV data.

    摘要翻译: 公开了一种采用专用于编码的CPU和芯片或电路的编码装置。 编码装置包括硬件编码器151和软件编码器152.硬件编码器151由专用于对AV数据的一部分进行编码和编码的硬件配置。 软件编码器152通过使用CPU10与硬件编码器151的编码处理并行地编码AV数据的另一部分。位置检测器18检测AV数据中的分配目的地的切换位置。 数据分配器14将由切换位置划分的AV数据的部分分配给两个编码器151和152.合成器16以预定的顺序排列编码的AV数据,以合成一系列编码的AV数据。 输出单元17输出一系列经编码的AV数据。

    IMPROVED VARIABLE LENGTH DECODER
    85.
    发明申请
    IMPROVED VARIABLE LENGTH DECODER 审中-公开
    改进的可变长度解码器

    公开(公告)号:WO03034746A3

    公开(公告)日:2003-10-02

    申请号:PCT/IB0203865

    申请日:2002-09-19

    发明人: PENNA DAVID E

    摘要: Variable length decoding of DCT coefficients in MPEG video data is performed using a standard processor (400) and a small look-up table (LUT 530). The processor performs (520) an integer to floating point conversion on a portion the received bitstream (BS). By this step, lengthy codewords with many leading zeros, which are common in the codebook, are represented in a compressed form by the exponent and mantissa fields (EXP, MAN) of the floating point result (FP). The relevant bits are extracted and used as an index (IX) to address the LUT. This avoids cumbersome bit-oriented logic, while also avoiding a very large LUT that would otherwise be required to represent the same codebook. The entire LUT may thus reside in cache memory (410). In a VLIW processor implementation, decoding of one token is pipelined with the inverse scan and inverse quantisation step of the preceding token(s).

    摘要翻译: 使用标准处理器(400)和小查找表(LUT 530)来执行MPEG视频数据中的DCT系数的可变长度解码。 处理器在接收到的比特流(BS)的一部分上执行(520)整数到浮点转换。 通过这一步,具有许多前导零的冗长码字(在码本中很常见)以压缩形式由浮点结果(FP)的指数和尾数字段(EXP,MAN)表示。 相关位被提取并用作索引(IX)来寻址LUT。 这避免了繁琐的面向比特的逻辑,同时也避免了代表相同码本所需的非常大的LUT。 整个LUT因此可以驻留在高速缓冲存储器(410)中。 在VLIW处理器实现中,一个令牌的解码通过前一个令牌的逆扫描和反量化步骤来流水线化。

    ENCODER FOR TRANSMITTING DIGITAL IMAGE
    86.
    发明申请
    ENCODER FOR TRANSMITTING DIGITAL IMAGE 审中-公开
    用于发送数字图像的编码器

    公开(公告)号:WO01091306A1

    公开(公告)日:2001-11-29

    申请号:PCT/JP2001/000446

    申请日:2001-01-24

    CPC分类号: H03M7/14

    摘要: A circuit in which encoding is performed at high rate with low power consumption according to DVI (Digital Visual Interface) standards using a small quantity of hardware. In the DVI encoding circuit, a number-of-levels comparison circuit (22) for comparing the number of "H" level bits of an input signal of the encoding circuit with that of "L" level bits has an input of 7 bits. Four bits of the output of a number-of-transition reducing circuit (23) for reducing the number of transitions between adjacent bits can be inverted based on the output from the number-of-levels comparison circuit (22). A DC balance circuit (24) for balancing the output signal in a DC manner comprises a 4-bit register (31), a number-of-levels difference calculating circuit (27), a condition deciding circuit (28), a bit inverting circuit (29), and an adder circuit (30). The number-of-levels difference calculating circuit (27) receives an 8-bit output from the circuit (23) and a 4-bit input signal to the encoding circuit.

    摘要翻译: 根据使用少量硬件的DVI(数字视频接口)标准,以低功率低功率执行编码的电路。 在DVI编码电路中,用于将编码电路的输入信号的“H”电平位数与“L”电平位的“H”电平位数进行比较的电平比较电路(22)具有7位的输入。 可以基于电平数比较电路(22)的输出来反转用于减少相邻位之间的转换次数的转换数减少电路(23)的输出的四位。 用于以直流方式平衡输出信号的直流平衡电路(24)包括4位寄存器(31),级数差计算电路(27),条件判定电路(28),位反转 电路(29)和加法电路(30)。 数字电平差计算电路(27)从电路(23)接收8位输出,并向编码电路接收4位输入信号。

    DEMODULATOR FOR DEMODULATING DIGITAL BROADCAST SIGNALS
    87.
    发明申请
    DEMODULATOR FOR DEMODULATING DIGITAL BROADCAST SIGNALS 审中-公开
    用于解调数字广播信号的解调器

    公开(公告)号:WO00019645A1

    公开(公告)日:2000-04-06

    申请号:PCT/JP1999/005339

    申请日:1999-09-29

    CPC分类号: H04H40/27 H04H20/72

    摘要: A demodulator of digital terrestrial broadcast or the like for transmitting coded digital video and audio information in packet form comprises a synchronous code pattern detecting circuit for detecting the segment synchronous code pattern from the most significant bit signal of the reception packet data, a symbol number counter circuit for counting the number of symbol data in the reception packet data, a synchronism detection establishing circuit for judging the true segment synchronous code pattern by obtaining the segment synchronous code pattern from the synchronous code pattern detecting circuit when the symbol number counter circuit finishes counting of a specified number, and a synchronism detection protection counter circuit for detecting and establishing the segment synchronous signal in the reception data from the output of the synchronous code pattern detecting circuit and count-up of specified number of the symbol number counter circuit. In this constitution, even in an inferior environment for receiving broadcast such as deterioration of C/N of signal due to weak electric field, or strong ghost or multipath characteristic of terrestrial waves, the digital broadcast demodulator capable of processing packet synchronism detection, AGC, and clock regeneration stably and precisely is presented.

    摘要翻译: 用于以分组形式发送编码数字视频和音频信息的数字地面广播等的解调器包括用于从接收分组数据的最高有效位信号中检测分段同步码模式的同步码模式检测电路,符号数计数器 用于对接收分组数据中的符号数据的数量进行计数的电路;同步检测建立电路,用于当符号数计数器电路完成计数时,通过从同步码模式检测电路获得段同步码模式来判断真实段同步码模式 以及同步检测保护计数器电路,用于从同步码模式检测电路的输出中检测和建立接收数据中的段同步信号,并且指定符号数计数器电路的计数。 在这种结构中,即使在用于接收诸如由于弱电场引起的信号的C / N的劣化或者地面波的强的重影或多路径特性的恶化的恶劣环境中,能够处理分组同步检测的数字广播解调器AGC, 并且稳定且精确地提供时钟再生。

    图像处理方法、装置、设备、存储介质及程序产品

    公开(公告)号:WO2023071584A1

    公开(公告)日:2023-05-04

    申请号:PCT/CN2022/118849

    申请日:2022-09-14

    发明人: 黎凌宇 张莉 王悦

    IPC分类号: H04N19/42 H04N19/174

    摘要: 本申请实施例提供一种图像处理方法、装置、设备、存储介质及程序产品,该方法包括:接收服务器发送的编码信息;编码信息中包括原始图像对应的编码图像;获取操作指令;根据操作指令和编码信息,在编码图像中确定待解码图像;待解码图像为原始图像中标定区域内的目标原始图像对应的编码图像;对待解码图像进行解码,得到目标原始图像,并在标定区域内显示目标原始图像。本申请实施例提供的图像处理方法、装置、设备、存储介质及程序产品用于节省终端设备的内存空间,避免资讯应用程序卡顿或者崩溃等。