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    • 4. 发明申请
    • Pattern-based Data Collection for a Distributed Stream Data Processing System
    • US20180101609A1
    • 2018-04-12
    • US15567468
    • 2015-05-08
    • Telefonaktiebolaget LM Ericsson (publ)
    • David Manzano MachoLuis Maria Lafuente Alvarez
    • G06F17/30G06K9/62G06F15/18
    • G06F16/35G06F16/93G06K9/6267G06N20/00H03M7/3057H03M7/3084H04L43/02
    • There is provided a communication system (100) comprising: a first network node (200) that transmits a flow of data records to a second network node (300) via a network (500), the second network node having a data record processing module (600) that receives and processes the data records; and a controller (700) for controlling the transmission of data records by the first network node. The controller comprises: an acquisition7, -dule (710) operable to acquire data records of the flow of data records; a pattern recognition module (720) arranged to determine whether the data records acquired by the acquisition module (710) follow a pattern of one or more patterns each defining a respective sequence of data records and, when the acquired 'ata records follow a pattern of the one or more patterns, to determine which of the one or more patterns is being followed; âa control signal generator module (730) that generates, when the pattern recognition module has determined a pattern being followed by the acquired data records, an indication of the pattern being followed and at least one transmission control signal for the first network node to prevent the first network node from transmitting remaining data records to the second network node which correspond to data records that complete the sequence of data records defined by the pattern being followed. The system (100) also includes a pattern handler (800) having a data store (820) that stores the one or more patterns, the pattern handler being communicatively coupled to the data record processing module (600) via a communication path (900) that is separate from the network and responsive to the indication to predict the remaining data records using the pattern of the stored patterns that is indicated by the indication, and provide the predicted data records to the data record processing module (600) via the communication path (900).
    • 7. 发明申请
    • DECODING OF A DIGITAL SIGNAL COMPRISING AT LEAST ONE SAMPLE
    • 一个包含至少一个样本的数字信号的解码
    • US20120033741A1
    • 2012-02-09
    • US12849539
    • 2010-08-03
    • Eric NassorHervé Le FlochNaël Ouedraogo
    • Eric NassorHervé Le FlochNaël Ouedraogo
    • H04N11/02
    • H03M7/3057H04N19/395H04N19/89
    • The invention concerns the decoding of a digital signal comprising at least one encoded digital image, a digital image being represented by a plurality of samples. The decoding method comprises, when a part of one said encoded digital image to be decoded is missing, applying a first decoding to the encoded digital image having the missing part so as to obtain a first decoded image, the first decoding involving setting a missing sample, being one of said samples in said missing part, to a first value. A second decoding is applied to said first decoded image using additional data, derived by the encoder from at least part of the encoded digital image and usable during decoding to correct the encoded digital image, to obtain a partially corrected symbol representative of said sample, said partially corrected symbol comprising at least one unknown bit. Finally, a second value for said missing sample is obtained based upon said first value and said partially corrected symbol. Thanks to this method, even a partial correction using additional data can be used to improve the values of missing samples of a digital image at the decoder side. As a result, the quality of reconstruction of missing parts of an image can be improved.
    • 本发明涉及对包括至少一个编码数字图像,数字图像由多个样本表示的数字信号的解码。 解码方法包括:当要解码的一个所述编码数字图像的一部分丢失时,对具有缺失部分的编码数字图像应用第一解码以获得第一解码图像,所述第一解码涉及设置缺失样本 作为所述缺失部分的所述样本之一,达到第一个值。 使用由编码器从编码的数字图像的至少一部分导出并且在解码期间可用于校正编码的数字图像,以获得表示所述样本的部分校正的符号的附加数据来对所述第一解码图像应用第二解码,所述 部分校正的符号包括至少一个未知位。 最后,基于所述第一值和所述部分校正的符号获得所述缺失样本的第二值。 由于该方法,即使使用附加数据的部分校正也可以用于改善解码器侧的数字图像的丢失样本的值。 结果,可以改善图像缺失部分的重建质量。