METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE
    1.
    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

    IPC分类号: G06K9/46 G06K9/36

    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 for converting bit-plane image, and method and apparatus for inverse-converting bit-plane image
    2.
    发明授权
    Method and apparatus for converting bit-plane image, and method and apparatus for inverse-converting bit-plane image 失效
    用于转换位平面图像的方法和装置,以及用于逆位转换位平面图像的方法和装置

    公开(公告)号:US08200030B2

    公开(公告)日:2012-06-12

    申请号:US12420409

    申请日:2009-04-08

    IPC分类号: G06K9/36

    CPC分类号: H04N19/40 H04N19/61 H04N19/63

    摘要: Provided are methods and apparatuses for converting a lower bit-plane image, and methods and apparatuses for inverse-converting the lower bit-plane image, which increase the correlation of the lower bit-plane image. According to the method of converting a lower bit-plane image, pixels of the lower bit-plane image are sequentially added or subtracted so as to generate a converted lower bit-plane image. Accordingly, the lower bit-plane image has higher regularity, and thus the efficiency of image processing using the lower bit-plane image is improved.

    摘要翻译: 提供了用于转换较低位平面图像的方法和装置,以及用于逆变换低位平面图像的方法和装置,其增加了较低位平面图像的相关性。 根据转换较低位平面图像的方法,顺序地添加或减去较低位平面图像的像素,以产生转换的较低位平面图像。 因此,较低的位平面图像具有较高的规则性,因此提高了使用较低位平面图像的图像处理的效率。

    IMAGE PROCESSING METHOD AND IMAGE PROCESSING APPARATUS USING LEAST SIGNIFICANT BITS
    8.
    发明申请
    IMAGE PROCESSING METHOD AND IMAGE PROCESSING APPARATUS USING LEAST SIGNIFICANT BITS 有权
    图像处理方法和使用最小重要位置的图像处理设备

    公开(公告)号:US20090285497A1

    公开(公告)日:2009-11-19

    申请号:US12425478

    申请日:2009-04-17

    IPC分类号: G06K9/36

    CPC分类号: G06T9/005 H04N19/593

    摘要: Provided are an image processing method and image processing apparatus using least significant bits (LSBs). The image processing method includes generating first binary codes by converting pixel values of an input image into a binary code format; converting the first binary codes into gray codes and determining a predetermined number of sequential LSBs from among the gray codes; and generating second binary codes by converting the determined LSBs of the gray codes into the binary code format.

    摘要翻译: 提供了一种使用最低有效位(LSB)的图像处理方法和图像处理装置。 图像处理方法包括:通过将输入图像的像素值转换为二进制码格式来生成第一二进制码; 将所述第一二进制码转换为灰色码,并从所述灰色码中确定预定数量的连续LSB; 以及通过将所确定的灰度代码的LSB转换为二进制代码格式来生成第二二进制代码。

    Method and apparatus for generating video packets, method and apparatus for restoring video
    10.
    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

    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。