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    Method and apparatus for converting image rate by using image scaling
    3.
    发明授权
    Method and apparatus for converting image rate by using image scaling 有权
    通过使用图像缩放来转换图像速率的方法和装置

    公开(公告)号：US08836860B2

    公开(公告)日：2014-09-16

    申请号：US13590627

    申请日：2012-08-21

    申请人： Jae-hyang Lee ,  Tae-gyoung Ahn ,  Jae-Hyun Kim ,  Se-hyeok Park

    发明人： Jae-hyang Lee ,  Tae-gyoung Ahn ,  Jae-Hyun Kim ,  Se-hyeok Park

    IPC分类号： H04N7/01 ,  H04N11/20 ,  H04N19/132 ,  H04N5/14 ,  G06T3/40 ,  H04N19/40 ,  H04N19/139

    CPC分类号： G06T3/4092 ,  H04N5/145 ,  H04N19/132 ,  H04N19/139 ,  H04N19/40

    摘要： A method of converting an image rate by using image scaling includes changing a resolution of an input original image sequence and generating a changed resolution image sequence; determining a first motion vector by estimating motion of a first image by using a plurality of images from the changed resolution image sequence; determining a second motion vector by modifying the first motion vector of the first image to correspond to a resolution of an original image of the original image sequence, where the original image corresponds to the first image; detecting characteristic information of the original image; determining a third motion vector corresponding to the resolution of the original image by compensating the second motion vector based on the detected characteristic information; and converting an image rate of the input original image sequence based on the detected characteristic information of the original image and the third motion vector.

    摘要翻译： 通过使用图像缩放来转换图像速率的方法包括改变输入原始图像序列的分辨率并生成改变的分辨率图像序列; 通过使用来自改变的分辨率图像序列的多个图像估计第一图像的运动来确定第一运动矢量; 通过修改第一图像的第一运动矢量来对应于原始图像的原始图像的分辨率来确定第二运动矢量，其中原始图像对应于第一图像; 检测原始图像的特征信息; 通过基于检测到的特征信息来补偿第二运动矢量来确定与原始图像的分辨率对应的第三运动矢量; 以及基于检测到的原始图像的特征信息和第三运动矢量来转换输入的原始图像序列的图像速率。

    Method and apparatus for removing image blocking artifact by using transformation coefficient
    5.
    发明授权
    Method and apparatus for removing image blocking artifact by using transformation coefficient 有权
    通过使用变换系数去除图像块伪影的方法和装置

    公开(公告)号：US08644636B2

    公开(公告)日：2014-02-04

    申请号：US13343950

    申请日：2012-01-05

    申请人： Gun-shik Shin ,  Jong-beom Ra ,  Se-hyeok Park ,  Seok-bong Yoo ,  Jae-hyun Kim ,  Kyu-ha Choi

    发明人： Gun-shik Shin ,  Jong-beom Ra ,  Se-hyeok Park ,  Seok-bong Yoo ,  Jae-hyun Kim ,  Kyu-ha Choi

    IPC分类号： G06K9/40

    CPC分类号： H04N19/86 ,  H04N19/48

    摘要： A method and apparatus for removing an image blocking artifact by using a transformation coefficient are provided. The method includes: detecting a first blocking artifact which is in a flat region of the input image; removing the first blocking artifact using a number of low frequency coefficients from among transformation coefficients for each transformation block of a plurality of transformation blocks of the input image, based on a result of detecting the first blocking artifact; detecting an edge region of the input image; and removing a second blocking artifact, which is in an edge region of an intermediate image obtained from the removing of the first blocking artifact of the input image, based on the detected edge region in the input image.

    摘要翻译： 提供了一种通过使用变换系数去除图像块伪影的方法和装置。 该方法包括：检测处于输入图像的平坦区域中的第一块伪影; 基于检测到第一块伪像的结果，从输入图像的多个变换块的每个变换块的变换系数中使用多个低频系数去除第一块伪像; 检测所述输入图像的边缘区域; 以及基于所检测的输入图像中的边缘区域，去除位于从去除输入图像的第一块伪像获得的中间图像的边缘区域中的第二块伪影。

    Method and apparatus for converting resolution of block based image
    7.
    发明授权
    Method and apparatus for converting resolution of block based image 有权
    用于转换基于块的图像分辨率的方法和装置

    公开(公告)号：US08682110B2

    公开(公告)日：2014-03-25

    申请号：US13491114

    申请日：2012-06-07

    申请人： Gun-shik Shin ,  Se-hyeok Park ,  Jong-hyun Park ,  Chang-su Han

    发明人： Gun-shik Shin ,  Se-hyeok Park ,  Jong-hyun Park ,  Chang-su Han

    IPC分类号： G06K9/32

    CPC分类号： H04N7/0117 ,  H04N7/0125 ,  H04N7/014

    摘要： 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.

    摘要翻译： 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。

    Method and apparatus for generating interpolated frame between original frames
    8.
    发明授权
    Method and apparatus for generating interpolated frame between original frames 有权
    用于在原始帧之间生成内插帧的方法和装置

    公开(公告)号：US09014272B2

    公开(公告)日：2015-04-21

    申请号：US13284342

    申请日：2011-10-28

    申请人： Seung-gu Kim ,  Tae-gyoung Ahn ,  Se-hyeok Park ,  Young-ho Moon

    发明人： Seung-gu Kim ,  Tae-gyoung Ahn ,  Se-hyeok Park ,  Young-ho Moon

    IPC分类号： H04N7/26 ,  H04N19/59 ,  H04N19/51 ,  H04N19/132 ,  H04N19/184 ,  H04N19/48 ,  H04N19/587

    CPC分类号： H04N19/59 ,  H04N19/132 ,  H04N19/184 ,  H04N19/48 ,  H04N19/51 ,  H04N19/587

    摘要： A method and apparatus for generating an interpolated frame are provided. The method includes: generating a motion vector for generating a third frame by performing motion estimation based on first image data and second image data, the first image data being a portion of image data of a first frame and the second image data being a portion of image data of a second frame; restoring the image data of the first frame based on the first image data and the image data of the second frame based on the second image data; and generating the third frame by performing motion compensation based on at least one of the restored image data of the first frame and the restored image data of the second frame and the generated motion vector.

    摘要翻译： 提供了一种用于生成内插帧的方法和装置。 该方法包括：通过基于第一图像数据和第二图像数据执行运动估计来产生用于生成第三帧的运动矢量，第一图像数据是第一帧的图像数据的一部分，第二图像数据是 第二帧的图像数据; 基于第二图像数据，基于第一图像数据和第二帧的图像数据恢复第一帧的图像数据; 以及通过基于第一帧的恢复图像数据和第二帧的恢复图像数据和所生成的运动矢量中的至少一个执行运动补偿来生成第三帧。