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    METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE
    4.
    发明申请
    METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE 审中-公开
    用于编码和解码图像的方法和装置

    公开(公告)号：US20090279796A1

    公开(公告)日：2009-11-12

    申请号：US12247545

    申请日：2008-10-08

    申请人： Dai-woong Choi ,  Woo-sung Shim ,  Sung-bum Park ,  Young-ho Moon ,  Jong-bum Choi ,  Jae-won Yoon

    发明人： Dai-woong Choi ,  Woo-sung Shim ,  Sung-bum Park ,  Young-ho Moon ,  Jong-bum Choi ,  Jae-won Yoon

    IPC分类号： G06K9/46 ,  G06K9/36

    CPC分类号： H04N1/52 ,  H04N1/41 ,  H04N1/64 ,  H04N1/644

    摘要： Provided are a method and apparatus for encoding and decoding an image. The method of encoding an image includes generating half-tone data by applying patterns specified by each color channel to input data, rearranging the generated half-tone data according to the characteristics of the applied patterns, and predicting the rearranged half-tone data and encoding the predicted half-tone data. Therefore, encoding and decoding can be performed more efficiently and a compression rate can be improved.

    摘要翻译： 提供了一种用于对图像进行编码和解码的方法和装置。 编码图像的方法包括通过将由每个颜色通道指定的图案应用于输入数据来产生半色调数据，根据所应用的图案的特性来重新排列生成的半色调数据，并且预测重新排列的半色调数据和编码 预测的半色调数据。 因此，可以更有效地执行编码和解码，并且可以提高压缩率。

    Method and apparatus to encode and decode halftone image
    6.
    发明授权
    Method and apparatus to encode and decode halftone image 有权
    半色调图像编码和解码的方法和装置

    公开(公告)号：US08233731B2

    公开(公告)日：2012-07-31

    申请号：US12170875

    申请日：2008-07-10

    申请人： Sung-bum Park ,  Woo-sung Shim ,  Young-ho Moon ,  Dai-woong Choi ,  Jong-bum Choi

    发明人： Sung-bum Park ,  Woo-sung Shim ,  Young-ho Moon ,  Dai-woong Choi ,  Jong-bum Choi

    IPC分类号： H06K9/46

    CPC分类号： H04N1/4105

    摘要： A method to encode and decode a halftone image such that the halftone image is efficiently compressed and decoded by using pattern characteristics of the halftone image includes determining different template shapes according to characteristics of the halftone image, compressing the halftone image based on determined template shape information, compressing the template shape information, and generating the compressed halftone image and the compressed template shape information as a bitstream.

    摘要翻译： 一种对半色调图像进行编码和解码的方法，使得通过使用半色调图像的图案特征有效地压缩和解码半色调图像，包括根据半色调图像的特性来确定不同的模板形状，基于确定的模板形状信息来压缩半色调图像 压缩模板形状信息，以及生成压缩半色调图像和压缩模板形状信息作为比特流。

    METHOD AND APPARATUS TO ENCODE AND DECODE HALFTONE IMAGE
    7.
    发明申请
    METHOD AND APPARATUS TO ENCODE AND DECODE HALFTONE IMAGE 有权
    编码和解码黑板图像的方法和装置

    公开(公告)号：US20090169123A1

    公开(公告)日：2009-07-02

    申请号：US12170875

    申请日：2008-07-10

    申请人： Sung-bum PARK ,  Woo-sung Shim ,  Young-ho Moon ,  Dai-woong Choi ,  Jong-burn Choi

    发明人： Sung-bum PARK ,  Woo-sung Shim ,  Young-ho Moon ,  Dai-woong Choi ,  Jong-burn Choi

    IPC分类号： G06K9/80

    CPC分类号： H04N1/4105

    摘要： A method to encode and decode a halftone image such that the halftone image is efficiently compressed and decoded by using pattern characteristics of the halftone image includes determining different template shapes according to characteristics of the halftone image, compressing the halftone image based on determined template shape information, compressing the template shape information, and generating the compressed halftone image and the compressed template shape information as a bitstream.

    摘要翻译： 一种对半色调图像进行编码和解码的方法，使得通过使用半色调图像的图案特征有效地压缩和解码半色调图像，包括根据半色调图像的特性来确定不同的模板形状，基于确定的模板形状信息来压缩半色调图像 压缩模板形状信息，以及生成压缩半色调图像和压缩模板形状信息作为比特流。

    Method and apparatus for generating video packets, method and apparatus for restoring video
    9.
    发明授权
    Method and apparatus for generating video packets, method and apparatus for restoring video 有权
    用于生成视频分组的方法和装置，用于恢复视频的方法和装置

    公开(公告)号：US09071849B2

    公开(公告)日：2015-06-30

    申请号：US13082929

    申请日：2011-04-08

    申请人： Jae-won Yoon ,  Sung-bum Park ,  Hae-young Jun ,  Shin-wook Kang ,  Dai-woong Choi

    发明人： Jae-won Yoon ,  Sung-bum Park ,  Hae-young Jun ,  Shin-wook Kang ,  Dai-woong Choi

    IPC分类号： H04N19/00 ,  H04N19/593

    CPC分类号： H04N19/593

    摘要： A method and apparatus for generating video packets and a method and apparatus for restoring video are provided. The method of generating video packets includes: generating at least one pixel block consisting of at least one reference pixel and a plurality of neighboring pixels adjacent to the at least one reference pixel from pixels of a video frame; replacing pixel values of the neighboring pixels in the at least one pixel block with pixel difference values, which are difference values between a pixel value of one of pixels adjacent to the neighboring pixels and the pixel values of the neighboring pixels; generating packets so that a pixel value of the at least one reference pixel and the pixel difference values of the neighboring pixels are allocated to different packets according to positions of the pixels; and performing entropy coding of some of the packets including the pixel difference values of the neighboring pixels.

    摘要翻译： 提供了一种用于产生视频分组的方法和装置以及用于恢复视频的方法和装置。 产生视频分组的方法包括：从视频帧的像素生成由与至少一个参考像素相邻的至少一个参考像素和多个相邻像素组成的至少一个像素块; 用像素差值代替所述至少一个像素块中的相邻像素的像素值，所述像素差值是与相邻像素相邻的一个像素的像素值与相邻像素的像素值之间的差值; 生成分组，使得根据像素的位置将所述至少一个参考像素的像素值和相邻像素的像素差值分配给不同的分组; 并执行包括相邻像素的像素差值的一些分组的熵编码。