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    • 5. 发明申请
    • METHOD AND APPARATUS FOR CONVERTING RESOLUTION OF BLOCK BASED IMAGE
    • 用于转换基于块的图像分辨率的方法和装置
    • US20120314975A1
    • 2012-12-13
    • US13491114
    • 2012-06-07
    • Gun-shik SHINSe-hyeok PARKJong-hyun PARKChang-su HAN
    • Gun-shik SHINSe-hyeok PARKJong-hyun PARKChang-su HAN
    • G06K9/36
    • H04N7/0117H04N7/0125H04N7/014
    • A method and apparatus for converting a resolution of a block-based image. The method includes: dividing a low resolution image frame into a plurality of blocks, each block having a predetermined size; performing motion prediction in a sub-pixel unit of each of the divided blocks and determining a motion vector in the sub-pixel unit; dividing the motion vector of the sub-pixel unit into a first motion vector having an integer pixel unit and a second motion vector having the sub-pixel unit; determining at least one low resolution reference block corresponding to each of the divided blocks by using the first motion vector having the integer pixel unit; converting each of the divided blocks into high resolution block by using the second motion vector having the sub-pixel unit and the one low resolution reference block; and generating a high resolution image frame by using each of the converted high resolution blocks.
    • 一种用于转换基于块的图像的分辨率的方法和装置。 该方法包括:将低分辨率图像帧划分成多个块,每个块具有预定尺寸; 在每个分割块的子像素单元中执行运动预测,并确定子像素单元中的运动矢量; 将子像素单元的运动矢量划分为具有整数像素单位的第一运动矢量和具有子像素单位的第二运动矢量; 通过使用具有整数像素单位的第一运动矢量来确定与每个分割块相对应的至少一个低分辨率参考块; 通过使用具有子像素单元和一个低分辨率参考块的第二运动矢量将每个分割块转换成高分辨率块; 以及通过使用每个转换的高分辨率块来生成高分辨率图像帧。
    • 8. 发明申请
    • IMAGE SCALING METHOD AND APPARATUS WITH ENHANCEMENT OF IMAGE QUALITY
    • 图像缩放方法与图像质量的提高
    • US20110188772A1
    • 2011-08-04
    • US13018961
    • 2011-02-01
    • Jong-hyun PARKJae-hun LEEMoon-gi KANGJi-yong KWONDu-sic YOOJoon-young CHANG
    • Jong-hyun PARKJae-hun LEEMoon-gi KANGJi-yong KWONDu-sic YOOJoon-young CHANG
    • G06K9/40
    • G06K9/40
    • An image scaling apparatus and method, with enhancement of image quality. The method includes generating a plurality of intermediate pixels positioned near a plurality of resultant pixels to be generated to scale an input image using pixels of the input image; determining the image characteristics of the plurality of resultant pixels using a predetermined region of the input image or the plurality of intermediate pixels within the predetermined region; determining a filter for generating the plurality of resultant pixels based on the image characteristics with respect to the resultant pixels, and generating the plurality of resultant pixels through filtering of the plurality of intermediate pixels using the determined filter. The apparatus includes an intermediate pixel generation unit which generates a plurality of intermediate pixels. A filter determination unit determines a filter for generating the plurality of resultant pixels. A resultant pixel generation unit generates the plurality of resultant pixels.
    • 一种具有增强图像质量的图像缩放装置和方法。 该方法包括:生成多个中间像素,该多个中间像素位于要生成的多个合成像素附近,以使用输入图像的像素缩放输入图像; 使用所述输入图像的预定区域或所述预定区域内的所述多个中间像素来确定所述多个结果像素的图像特性; 基于相对于所得到的像素的图像特性,确定用于生成多个合成像素的滤波器,以及通过使用所确定的滤波器对所述多个中间像素进行滤波来生成所述多个合成像素。 该装置包括生成多个中间像素的中间像素生成单元。 滤波器确定单元确定用于生成多个合成像素的滤波器。 合成像素生成单元生成多个合成像素。