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    • 1. 发明申请
    • IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD
    • 图像处理装置和图像处理方法
    • US20120288209A1
    • 2012-11-15
    • US13449765
    • 2012-04-18
    • Takeshi MIYAIMasashi Uchida
    • Takeshi MIYAIMasashi Uchida
    • G06K9/36
    • H04N19/86H04N19/46
    • There is provided an image processing apparatus including: an encoding processing unit carrying out a compression encoding process on input image data to obtain encoded data; an additional information generating unit generating, based on additional information generating information relating to the input image data, additional information to be used when specified image processing is carried out on image data obtained by carrying out a compression decoding process on the encoded data; and a data output unit outputting the encoded data obtained by the encoding processing unit and the additional information generated by the additional information generating unit in association with one another.
    • 提供了一种图像处理装置,包括:编码处理单元,对输入图像数据进行压缩编码处理,以获得编码数据; 附加信息生成单元,基于附加信息生成与输入图像数据有关的信息,在对通过对编码数据进行压缩解码处理而获得的图像数据执行指定的图像处理时生成要使用的附加信息; 以及数据输出单元,其输出由编码处理单元获得的编码数据和由附加信息生成单元生成的附加信息。
    • 9. 发明授权
    • Apparatus and method for converting a field frequency of a picture signal
    • 用于转换图像信号的场频的装置和方法
    • US06707502B1
    • 2004-03-16
    • US09720633
    • 2001-02-12
    • Tetsujiro KondoYasushi TatehiraMasashi UchidaMasaaki HattoriTakeshi Miyai
    • Tetsujiro KondoYasushi TatehiraMasashi UchidaMasaaki HattoriTakeshi Miyai
    • H04N701
    • H04N7/0135H04N7/0145
    • 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).
    • 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相对应的类。 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被各个场存储器转换成具有60Hz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)。