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    • 1. 发明授权
    • Device and method for producing coefficient seed data used for format conversion, and information-providing medium therefore
    • 因此,用于产生用于格式转换的系数种子数据的装置和方法,以及信息提供媒体
    • US07038729B2
    • 2006-05-02
    • US10204591
    • 2001-12-26
    • Tetsujiro KondoYasushi TatehiraTakuo MorimuraNobuyuki AsakuraWataru NiitsumaKei HiraizumiTakahide Ayata
    • Tetsujiro KondoYasushi TatehiraTakuo MorimuraNobuyuki AsakuraWataru NiitsumaKei HiraizumiTakahide Ayata
    • H04N7/01
    • H04N7/0137G06T3/40G09G2340/0407H04N7/0125H04N7/0145
    • The present invention relates to an information signal processor and the like preferable for use in the case of converting a format of an image signal or converting an image size. An input image signal Vin (525i signal) is converted into an output image signal Vout (such as 1080i signal, XGA signal, or 525i signal for obtaining an image to be displayed in a different magnification). A class code CL is obtained from tap data selectively extracted from the Vin and corresponding to each pixel (pixel at a target position) within a unit pixel block, which constitutes Vout. A coefficient production circuit produces coefficient data for each class, which is used at the time of calculating the pixel data at the target position, based on the coefficient seed data for each class and position information h, v about the target position generated in a position information generation circuit. A calculation circuit provides pixel data y1 to yp of the target position according to the estimated equation using the tap data xi corresponding to the target position and the coefficient data Wi corresponding to the class code CL.
    • 本发明涉及一种信息信号处理器等,其优选用于转换图像信号的格式或转换图像大小的情况。 输入图像信号Vin(525i信号)被转换为输出图像信号Vout(诸如1080i信号,XGA信号或525i信号,用于获得以不同放大倍率显示的图像)。 根据构成Vout的单位像素块内的每个像素(目标位置的像素),从有选择地从Vin中提取的抽头数据获得类码CL。 系数生成电路基于每个类的系数种子数据和关于在位置上生成的目标位置的位置信息h,v,在计算目标位置处的像素数据时使用的每个类别生成系数数据 信息生成电路。 计算电路使用与目标位置对应的抽头数据xi和与类代码CL对应的系数数据Wi,根据推定的方程,提供目标位置的像素数据y 1至yp。
    • 3. 发明授权
    • Device and method for producing coefficient seed data used for format conversion, and information-providing medium therefore
    • 因此,用于产生用于格式转换的系数种子数据的装置和方法,以及信息提供媒体
    • US07551230B2
    • 2009-06-23
    • US11197187
    • 2005-08-04
    • Tetsujiro KondoYasushi TatehiraTakuo MorimuraNobuyuki AsakuraWataru NiitsumaKei HiraizumiTakahide Ayata
    • Tetsujiro KondoYasushi TatehiraTakuo MorimuraNobuyuki AsakuraWataru NiitsumaKei HiraizumiTakahide Ayata
    • H04N7/01
    • H04N7/0137G06T3/40G09G2340/0407H04N7/0125H04N7/0145
    • The present invention relates to an information signal processor and the like preferable for use in the case of converting a format of an image signal or converting an image size. An input image signal Vin (525i signal) is converted into an output image signal Vout (such as 1080i signal, XGA signal, or 525i signal for obtaining an image to be displayed in a different magnification). A class code CL is obtained from tap data selectively extracted from the Vin and corresponding to each pixel (pixel at a target position) within a unit pixel block, which constitutes Vout. A coefficient production circuit 136 produces coefficient data for each class, which is used at the time of calculating the pixel data at the target position, based on the coefficient seed data for each class and position information h, v about the target position generated in a position information generation circuit 139. A calculation circuit 127 provides pixel data y1 to yp of the target position according to the estimated equation using the tap data xi corresponding to the target position and the coefficient data Wi corresponding to the class code CL.
    • 本发明涉及一种信息信号处理器等,其优选用于转换图像信号的格式或转换图像大小的情况。 输入图像信号Vin(525i信号)被转换成输出图像信号Vout(诸如1080i信号,XGA信号或525i信号,用于获得以不同放大率显示的图像)。 根据构成Vout的单位像素块内的每个像素(目标位置的像素),从有选择地从Vin中提取的抽头数据获得类码CL。 系数生成电路136基于每个等级的系数种子数据以及关于在目标位置生成的目标位置的位置信息h,v,在计算目标位置处的像素数据时使用的每个类别的系数数据 位置信息生成电路139.计算电路127使用与目标位置对应的抽头数据xi和与类代码CL对应的系数数据Wi,根据推定的方程,提供目标位置的像素数据y1〜yp。