DATA PROCESSING DEVICE
    2.
    发明公开
    DATA PROCESSING DEVICE 审中-公开
    DATENVERARBEITUNGSEINRICHTUNG

    公开(公告)号:EP1331820A1

    公开(公告)日:2003-07-30

    申请号:EP01974815.1

    申请日:2001-10-12

    申请人: Sony Corporation

    IPC分类号: H04N7/24 H04N1/387

    摘要: The present invention relates to a data processing apparatus. Additional information is embedded in coded data obtained by encoding image data, without increasing the amount of the coded data, and the data in which the additional information is embedded is correctly decoded into the image data and the additional information. An embedded compression encoder 11 encodes image data according to a predetermined coding rule, and destroys the coding rule based on additional information, thereby embedding the additional information. A decoder 12 restores the embedded coded data, obtained by embedding the additional information in the coded data, into the coded data encoded according to the coding rule, thereby decoding the additional information and also decoding the coded data into the image data.

    摘要翻译: 一种数据处理装置,用于通过对图像数据进行编码而创建的编码数据中的附加信息,以及在不增加编码数据量的情况下从编码数据正确地再现图像数据和附加数据。 埋藏压缩编码器(11)根据预定的编码规则对图像数据进行编码,并根据附加信息破坏编码规则,从而埋入附加信息。 解码器(12)通过将编码数据中的附加信息埋入生成的编码数据,将其编码为根据编码规则编码的编码数据,从而解码附加信息,将编码数据解码为图像数据。

    PICTURE SIGNAL CODING DEVICE, PICTURE SIGNAL CODING METHOD, PICTURE SIGNAL DECODING DEVICE, PICTURE SIGNAL DECODING METHOD, AND RECORDING MEDIUM
    3.
    发明公开

    公开(公告)号:EP0892558A1

    公开(公告)日:1999-01-20

    申请号:EP97950442.0

    申请日:1997-12-26

    申请人: SONY CORPORATION

    IPC分类号: H04N7/32

    摘要: Virtual pixels (indicated by ○ in the figure) are assumed to exist near SD pixels (indicated by ○ in the figure) constituting an SD picture obtained by thinning an HD picture. The pixel values of the pixels are found from the HD picture, and a part of the pixel value of the virtual pixels is laid out in place of a part of the pixel value of the SD pixels. One of the SD pixels is used as a notable pixel, and a prediction tap is formed from the SD pixels and the virtual pixels on the periphery of the notable pixel. By linear combination of the prediction tap and a predetermined prediction coefficient, adaptive processing for finding a predicted value of the HD picture is carried out. In addition, a prediction error of the predicted value found by adaptive processing with respect to the HD picture is calculated, and the pixel value of the notable pixel is corrected in accordance with the prediction error. Thus, a decoded picture more proximate to an original picture may be provided without deteriorating the coding efficiency.

    IMAGE SIGNAL CONVERSION DEVICE AND METHOD
    6.
    发明公开
    IMAGE SIGNAL CONVERSION DEVICE AND METHOD 审中-公开
    GERÄTUND VERFAHREN ZUR KONVERTIERUNG VON BILDSIGNALEN

    公开(公告)号:EP1104190A1

    公开(公告)日:2001-05-30

    申请号:EP00919154.5

    申请日:2000-04-21

    申请人: Sony Corporation

    IPC分类号: H04N7/01

    CPC分类号: H04N7/0135 H04N7/0145

    摘要: An interlaced input picture signal having a field frequency of 50 Hz is supplied. A class detecting circuit detects a class corresponding to a pattern of a level distribution of input pixels in the vicinity of an output pixel to be generated. A predictive coefficient set corresponding to the class is read from a predictive coefficient memory. Sum-of-product calculating circuits calculate data of an output picture signal using a linear estimating expression of predictive taps (pixels of an input picture signal) and predictive coefficient sets. The sum-of-product calculating circuits output pixel values M and S of an output picture signal having a field frequency of 50 Hz. The pixel values M and S that are output from the sum-of-product calculating circuits are converted into a signal having a frequency of 60 Hz by respective field memories. A selector alternately selects outputs of the field memories and generates an output picture signal (having a field frequency of 60 Hz).

    摘要翻译: 提供具有50Hz的场频的隔行输入图像信号。 类检测电路检测与要生成的输出像素附近的输入像素的电平分布的图案对应的类别。 从预测系数存储器读取与该类对应的预测系数集。 乘积计算电路使用预测抽头(输入图像信号的像素)和预测系数组的线性估计表达式来计算输出图像信号的数据。 乘积计算电路输出场频为50Hz的输出图像信号的像素值M和S。 从乘积计算电路输出的像素值M和S通过各自的场存储器转换成具有60Hz的频率的信号。 选择器交替地选择场存储器的输出,并产生输出图像信号(场频为60Hz)。

    IMAGE SIGNAL PROCESSOR, IMAGE SIGNAL PROCESSING METHOD, LEARNING DEVICE, LEARNING METHOD, AND RECORDED MEDIUM
    7.
    发明公开
    IMAGE SIGNAL PROCESSOR, IMAGE SIGNAL PROCESSING METHOD, LEARNING DEVICE, LEARNING METHOD, AND RECORDED MEDIUM 审中-公开
    BILDSIGNALPROZESSOR,BILDSIGNALVERARBEITUNGSVERFAHREN,LERNVORRICHTUNG,LERMETHOIDE UND AUFZEICHNUNGSMEDIUM

    公开(公告)号:EP1073279A1

    公开(公告)日:2001-01-31

    申请号:EP00904049.4

    申请日:2000-02-18

    申请人: Sony Corporation

    IPC分类号: H04N9/07

    摘要: An image signal generated by a CCD image sensor is processed by the block-generating section 28 provided in an image-signal processing section 25. A class tap and a prediction tap are thereby extracted. The class tap is output to an ADRC process section 29, and the prediction tap is output to an adaptation process section 31. The ADRC process section 29 performs an ADRC process on the input image signal, generating characteristic data. A classification process section 30 generates a class code corresponding to the characteristic data thus generated and supplies the same to an adaptation process section 31. The adaptation process section 31 reads, from a coefficient memory 32, the set of prediction coefficients which corresponds to the class code. The set of prediction coefficients and the prediction tap are applied, thereby generating all color signals, i.e., R, G and B signals, at the positions of the pixels which are to be processed.

    摘要翻译: 由CCD图像传感器生成的图像信号由设置在图像信号处理部分25中的块生成部分28处理。由此提取类别抽头和预测抽头。 类别抽头输出到ADRC处理部分29,并且预测抽头输出到自适应处理部分31.ADRC处理部分29对输入图像信号执行ADRC处理,产生特征数据。 分类处理部分30产生与这样生成的特征数据相对应的类别代码,并将其提供给自适应处理部分31.适应处理部分31从系数存储器32读取对应于类别的一组预测系数 码。 应用预测系数和预测抽头的集合,从而在要处理的像素的位置处产生所有颜色信号,即R,G和B信号。