Method and apparatus for converting bit-plane image, and method and apparatus for inverse-converting bit-plane image
    1.
    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
    3.
    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 encoding and decoding image data using run of the image data
    4.
    发明授权
    Method and apparatus for encoding and decoding image data using run of the image data 有权
    使用图像数据的运行对图像数据进行编码和解码的方法和装置

    公开(公告)号:US08755619B2

    公开(公告)日:2014-06-17

    申请号:US12950163

    申请日:2010-11-19

    IPC分类号: G06K9/46

    摘要: An encoding method includes selecting a run detection method in accordance with characteristics of image data, generating a run value by detecting a run that is repeated in the image data in accordance with the selected run detection method, generating run count bits by counting the number of repetitions of the detected run, and performing a run-length encoding using the detected run values and the run count bits. The run detection method includes a coefficient run detection method that detects a run based on pixel values, a pattern run detection method that detects the run based on whether the pixel blocks have a specified pattern, a difference run detection method that detects the run based on a difference value between two successive pixel values, and a residual run detection method that detects the run based on an error value that is a difference value between an actual pixel value and a predicted value.

    摘要翻译: 一种编码方法,包括根据图像数据的特性来选择运行检测方法,通过根据所选择的运行检测方法检测在图像数据中重复的运行来生成运行值,通过对运行计数位的数量进行计数来生成运行计数位 重复检测到的运行,以及使用检测到的运行值和运行计数位来执行游程长度编码。 运行检测方法包括:基于像素值检测运行的系数运行检测方法,基于像素块是否具有指定图案来检测运行的图案运行检测方法;基于检测运行的差分运行检测方法,基于 两个连续像素值之间的差值,以及基于作为实际像素值和预测值之间的差值的误差值来检测运行的剩余运行检测方法。