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    TEXTURE DESCRIPTION METHOD AND TEXTURE-BASED RETRIEVAL METHOD IN FREQUENCY DOMAIN
    132.
    发明公开
    TEXTURE DESCRIPTION METHOD AND TEXTURE-BASED RETRIEVAL METHOD IN FREQUENCY DOMAIN 审中-公开
    TEXTURBESCHREIBUNG UND WIEDERAUFFINDUNG VON TEXTURBILDERN IM FREQUENZBEREICH

    公开(公告)号：EP1183651A4

    公开(公告)日：2005-02-23

    申请号：EP00942495

    申请日：2000-07-07

    Applicant: KOREA ELECTRONICS TELECOMM

    Inventor： KIM MUNCHURL ,  KIM JIN WOONG ,  RO YONG MAN ,  YOU KI WON

    IPC: G06T1/00 ,  G06F17/14 ,  G06F17/30 ,  G06K9/52 ,  G06K9/64 ,  G06T7/00 ,  G06T7/40 ,  G06T15/00

    CPC classification number: G06K9/6203 ,  G06F17/30262 ,  G06K9/522 ,  G06T7/42

    Abstract: The present invention relates to a texture description method in frequency domains and a texture-based retrieval method using the same, in which image signals are converted into those in a frequency domain of Polar coordinate system. The texture description method in the frequency domain comprises: a first step of generating a frequency layout by partitioning the frequency domain into a set of feature channels; a second step of extracting the texture feature values of the image from the respective feature channels; and a third step of constituting a texture descriptor of the image in a vector form using the texture feature values extracted from the respective feature channels of the frequency layout. According to the present invention, in a texture-based retrieval described in the frequency domain, a retrieval method capable of satisfying respective or all the retrieval conditions such as scale-, rotation- and intensity-invariant retrieval of relevant texture images is provided. Also, a retrieval method of computing the rough scheme of texture to provide a browsing functionality in retrieving is provided.

    Abstract translation: 频域中的纹理描述方法和使用其的基于纹理的检索方法，其中将图像信号转换成极坐标系的频域中的图像信号。 频域中的纹理描述方法包括通过将频域划分成一组特征信道来产生频率布局的第一步骤; 从各个特征通道提取图像的纹理特征值的第二步骤; 以及第三步骤，使用从频率布局的各个特征通道提取的纹理特征值，以向量形式构成图像的纹理描述符。 在频域中描述的基于纹理的检索中，提供了一种能够满足相关或全部检索条件的检索方法，如相关纹理图像的缩放，旋转和强度不变检索。 此外，提供了一种计算粗略的纹理方案以提供检索中的浏览功能的检索方法。

    METHOD AND DEVICE FOR ENCODING/DECODING IMAGE
    134.
    发明公开
    METHOD AND DEVICE FOR ENCODING/DECODING IMAGE 有权
    VERFAHREN UND VORRICHTUNG ZUR CODIERUNG / DECODIERUNG VON BILDERN

    公开(公告)号：EP2840791A4

    公开(公告)日：2015-12-23

    申请号：EP13778886

    申请日：2013-04-16

    Applicant: KOREA ELECTRONICS TELECOMM

    Inventor： LIM SUNG CHANG ,  KIM HUI YONG ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG

    IPC: H04N19/126

    CPC classification number: H04N19/126 ,  H04N19/129 ,  H04N19/176 ,  H04N19/18 ,  H04N19/44 ,  H04N19/463 ,  H04N19/60 ,  H04N19/61 ,  H04N19/70 ,  H04N19/96

    Abstract: A method and a device for encoding/decoding an image are disclosed. The method for decoding an image comprises the steps of: decoding information on a quantization matrix; and restoring the quantization matrix on the basis of the information on the quantization matrix, wherein the information on the quantization matrix includes information indicating a DC value of the quantization matrix and/or information indicating differential values of quantization matrix coefficients.

    Abstract translation: 公开了一种用于对图像进行编码/解码的方法和装置。 解码图像的方法包括以下步骤：解码量化矩阵上的信息; 并且根据关于量化矩阵的信息来恢复量化矩阵，其中关于量化矩阵的信息包括指示量化矩阵的DC值的信息和/或指示量化矩阵系数的差分值的信息。

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