会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 5. 发明申请
    • ADAPTIVE IMAGE FILTERING METHOD AND APPARATUS
    • 自适应图像滤波方法和装置
    • WO2011127961A1
    • 2011-10-20
    • PCT/EP2010/054823
    • 2010-04-13
    • FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E. V.SIEKMANN, MischaBOSSE, SebastianSCHWARZ, HeikoWIEGAND, Thomas
    • SIEKMANN, MischaBOSSE, SebastianSCHWARZ, HeikoWIEGAND, Thomas
    • H04N7/26H04N7/50
    • H04N19/86H04N19/117H04N19/14H04N19/147H04N19/17H04N19/176H04N19/44H04N19/46H04N19/61H04N19/80H04N19/82
    • A decoder (200) for decoding a picture (102) is described, comprising: an extractor (250) adapted to extract a first subset of syntax elements (110b, 140c, 160c) from a received data stream (152) and a second subset of syntax elements (170c) being disjoint from the first subset of syntax elements, wherein the second subset of syntax elements (170c) comprises filter indication information defining a first filter (F1) for a first region (R1) of at least two different regions of the picture and a second filter (F2) for a second region (R2) of the at least two different regions of the picture; a pre-decoder (280) adapted to pre-decode the picture (102) based on the first subset of syntax elements to produce a reconstructed version of the picture; and a filter stage (270, 270') adapted to apply the first filter (F1) to the first region (R1) of the reconstructed picture to obtain a first filtered version of the reconstructed version of the picture and to apply the second filter (F2) to the second region (R2) of the first filtered version of the reconstructed version of the picture to obtain a second filtered version of the reconstructed version of the picture.
    • 描述了用于对图像(102)进行解码的解码器(200),包括:提取器(250),适于从接收的数据流(152)和第二子集(152)提取语法元素(110b,140c,160c)的第一子集 语法元素(170c)与语法元素的第一子集不相交,其中语法元素(170c)的第二子集包括为至少两个不同区域的第一区域(R1)定义第一过滤器(F1)的滤波器指示信息 和用于图像的至少两个不同区域的第二区域(R2)的第二滤光器(F2); 适于基于语法元素的第一子集对图像(102)进行预解码以产生图像的重构版本的预解码器(280); 以及适于将第一滤波器(F1)应用于重构图像的第一区域(R1)的滤波器级(270,270'),以获得图像的重建版本的第一滤波版本并将第二滤波器 F2)到图像的重建版本的第一滤波版本的第二区域(R2),以获得图像的重建版本的第二滤波版本。
    • 8. 发明申请
    • APPARATUS AND METHOD FOR CODING A GROUP OF SUCCESSIVE PICTURES, AND APPARATUS AND METHOD FOR DECODING A CODED PICTURE SIGNAL
    • 用于编码一组连续照片的装置和方法,以及用于解码编码图像信号的装置和方法
    • WO2005022917A1
    • 2005-03-10
    • PCT/EP2004/009053
    • 2004-08-12
    • FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.MARPE, DetlevSCHWARZ, HeikoWIEGAND, Thomas
    • MARPE, DetlevSCHWARZ, HeikoWIEGAND, Thomas
    • H04N7/26
    • H04N19/615H04N19/119H04N19/13H04N19/139H04N19/176H04N19/19H04N19/34H04N19/36H04N19/587H04N19/61H04N19/63H04N19/70
    • For coding a group of successive pictures, a filterbank decomposition is used which comprises a second filter level (12) for producing a first high-pass picture of the second level and a first low-pass picture of the second level from the first and second pictures of the group of pictures, and for producing a second high-pass picture of the second level and a second low-pass picture of the second level from the third and fourth pictures of the original group of pictures. The encoder further includes a first filter level (20) for producing a first high-pass picture of the first level and a first low-pass picture of the first level from the first and second low-pass pictures of the second level, as well as further-processing means (26) for further processing the first high-pass picture of the first level and the first low-pass picture of the first level to obtain a coded picture signal, the first further-processing means including a quantizer which has a quantizer step size. The coded picture signal represents a base scaling layer with regard to temporal scaling. The group-wise picture processing and decomposition into high-pass and low-pass signals further enables SNR scalability implementation.
    • 为了对一组连续的图像进行编码,使用滤波器组分解,该滤波器组分解包括用于产生第二电平的第一高通图像的第二滤波器电平(12)和来自第一和第二电平的第二电平的第一低通图像 并且用于从原始图像组的第三和第四图像产生第二电平的第二高通图像和第二电平的第二低通图像。 编码器还包括第一滤波器电平(20),用于从第二电平的第一和第二低通图像产生第一电平的第一高通图像和第一电平的第一低通图像,以及 作为用于进一步处理第一电平的第一高通图像和第一电平的第一低通图像以获得编码图像信号的进一步处理装置(26),第一另外的处理装置包括量化器,其具有 量化步长。 编码图像信号表示关于时间缩放的基本缩放层。 分组图像处理和分解成高通和低通信号进一步使SNR可扩展性实现。