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    고정소수점 변환을 위한 비트뎁스 조절을 수반하는 비디오 부호화 방법 및 그 장치, 비디오 복호화 방법 및 그 장치
    63.
    发明公开
    고정소수점 변환을 위한 비트뎁스 조절을 수반하는 비디오 부호화 방법 및 그 장치, 비디오 복호화 방법 및 그 장치 有权
    用于固定点变换的位深度控制的视频编码的方法和装置，用于固定点变换的位深度控制的视频解码的方法和装置

    公开(公告)号：KR1020130004180A

    公开(公告)日：2013-01-09

    申请号：KR1020120071973

    申请日：2012-07-02

    Applicant: 삼성전자주식회사

    Inventor： 알쉬나엘레나 ,  알쉰알렉산더

    IPC: H04N19/184 ,  H04N19/60

    CPC classification number: H04N19/122 ,  G06F17/147 ,  H04N19/115 ,  H04N19/124 ,  H04N19/126 ,  H04N19/136 ,  H04N19/146 ,  H04N19/176 ,  H04N19/18 ,  H04N19/182 ,  H04N19/184 ,  H04N19/34 ,  H04N19/42 ,  H04N19/44 ,  H04N19/45 ,  H04N19/60 ,  H04N19/625

    Abstract: PURPOSE: A method and an apparatus for video encoding with bit depth control for fixed point transform, a method and an apparatus for video decoding with bit depth control for fixed point transform are provided to prevent the overflow generated in fixed point conversion. CONSTITUTION: A receiving unit(22) restores a conversion coefficients quantized in each image block from a received bit stream by parsing. A dequantization unit(24) restores conversion factors which are less than a first bit depth by dequantization of quantized conversion coefficients. An inverse transform unit(26) restores samples at least one time which are less than a second bit depth by one-dimensional inverse transform of conversion factors. An image reconstruction unit(28) restores an image by using the restored samples. [Reference numerals] (22) Receiving unit; (24) Dequantization unit; (26) Inverse transform unit; (28) Image reconstruction unit

    Abstract translation: 目的：提供一种用于固定点变换的位深度控制的视频编码的方法和装置，用于定点转换的位深度控制的视频解码方法和装置，以防止在定点转换中产生的溢出。 构成：接收单元（22）通过解析从接收到的比特流中恢复在每个图像块中量化的转换系数。 逆量化单元（24）通过量化转换系数的逆量化来恢复小于第一位深度的转换因子。 逆变换单元（26）通过转换因子的一维逆变换来恢复小于第二位深度的至少一次的采样。 图像重建单元（28）通过使用恢复的样本恢复图像。 （附图标记）（22）接收单元; （24）去量化单位; （26）逆变换单元; （28）图像重建单元

    엔트로피 부호화/복호화 방법 및 장치
    64.
    发明公开
    엔트로피 부호화/복호화 방법 및 장치 审中-实审
    用于熵编码和解码的方法和装置

    公开(公告)号：KR1020130002298A

    公开(公告)日：2013-01-07

    申请号：KR1020120070366

    申请日：2012-06-28

    Applicant: 삼성전자주식회사

    Inventor： 알쉰알렉산더 ,  알쉬나엘레나

    IPC: H04N19/13

    CPC classification number: H04N19/50 ,  H03M7/4006 ,  H04N19/13 ,  H04N19/91 ,  H04N19/96

    Abstract: PURPOSE: An entropy encoding/decoding method and an apparatus thereof are provided to improve compression efficiency of an image by improving an update process of probability. CONSTITUTION: A binary arithmetic encoder performs binary arithmetic encoder of a binary value of a current encoding symbol by using probability of a predetermined binary value based on binary encoding symbols(1910). A context modeler updates by using scaling factors(1920). [Reference numerals] (1910) Executing binary arithmetic encoding of a binary value of a current encoding symbol by using probability of a predetermined binary value based on binary encoding symbols in which are encoded before encoding a current encoding symbol; (1920) Update using a plurality of scaling factors according to a binary value of a current encoding symbol; (AA) Start; (BB) End

    Abstract translation: 目的：提供一种熵编码/解码方法及其装置，通过改进概率的更新处理来提高图像的压缩效率。 构成：二进制算术编码器通过使用基于二进制编码符号的预定二进制值的概率来执行当前编码符号的二进制值的二进制算术编码器（1910）。 上下文建模者通过使用缩放因子进行更新（1920）。 （1910）根据在编码当前编码符号之前编码的二进制编码符号，通过使用预定二进制值的概率来执行当前编码符号的二进制值的二进制算术编码; （1920）根据当前编码符号的二进制值使用多个缩放因子进行更新; （AA）开始; （BB）结束

    영상의 변환 방법 및 장치, 역변환 방법 및 장치
    65.
    发明公开
    영상의 변환 방법 및 장치, 역변환 방법 및 장치 无效
    用于变换图像的方法和装置，以及用于逆变换图像的方法和装置

    公开(公告)号：KR1020120139611A

    公开(公告)日：2012-12-27

    申请号：KR1020120065168

    申请日：2012-06-18

    Applicant: 삼성전자주식회사

    Inventor： 알쉬나엘레나 ,  알쉰알렉산더

    IPC: H04N19/625

    CPC classification number: H04N19/00812 ,  G06T3/40 ,  H04N19/42 ,  H04N19/625

    Abstract: PURPOSE: An image converting method, a device thereof, and an inverse converting method, and a device thereof are provided to increase an operation speed by reducing complexity through an operation process based on an integer. CONSTITUTION: A converting unit multiplies a predetermined scaling factor by elements of an N point DCT(Discrete Cosine Transform) matrix. The converting unit obtains elements including an integer after round-off(310). The converting unit performs N point DCT(Discrete Cosine Transform) by using the N point DCT(Discrete Cosine Transform) matrix(320). The converting unit performs de-scaling for an N point DCT result value by using the scaling factor(330). [Reference numerals] (310) Obtaining scaled elements including an integer value used for N point discrete cosine transform by scaling elements composing a conversion matrix with a predetermined scaling factor; (320) Performing N point discrete cosine transform by using an integer transformation matrix composed of the scaled elements including the integer value; (330) De-scaling a result value of an N point discrete cosine transform matrix by using the scaling factor; (AA) Start; (BB) End

    Abstract translation: 目的：提供一种图像转换方法，其装置和逆转换方法及其装置，以通过基于整数的操作处理降低复杂度来提高操作速度。 构成：转换单元乘以N点DCT（离散余弦变换）矩阵的元素的预定缩放因子。 转换单元获得包括在舍入后的整数的元素（310）。 转换单元通过使用N点DCT（离散余弦变换）矩阵（320）来执行N点DCT（离散余弦变换）。 转换单元通过使用缩放因子（330）对N点DCT结果值执行缩放。 （参考数字）（310）通过以预定的缩放因子构成转换矩阵的缩放元素，获得包括用于N点离散余弦变换的整数值的比例分量; （320）通过使用由包括整数值的缩放元素组成的整数变换矩阵来执行N点离散余弦变换; （330）使用缩放因子对N点离散余弦变换矩阵的结果值进行缩放; （AA）开始; （BB）结束

    영상의 복호화 방법 및 장치
    70.
    发明授权
    영상의 복호화 방법 및 장치 有权
    解码视频的方法和装置

    公开(公告)号：KR101703332B1

    公开(公告)日：2017-02-06

    申请号：KR1020150015588

    申请日：2015-01-30

    Applicant: 삼성전자주식회사

    Inventor： 알쉬나엘레나 ,  알쉰알렉산더 ,  세레긴바딤 ,  쉬라코프니콜라이

    IPC: H04N19/593 ,  H04N19/82

    Abstract: 부호화되는현재부호화단위에대한제 1 예측부호화단위를생성하고, 현재부호화단위가현재픽처의경계를벗어나는영역을포함하고있는지여부에따라서선택적으로제 1 예측부호화단위를구성하는각 픽셀과적어도하나의주변픽셀을이용하여제 1 예측부호화단위의각 픽셀의픽셀값을변경함으로써제 2 예측부호화단위를생성하며, 현재부호화단위와제 2 예측부호화단위의차이값을부호화함으로써영상의예측효율을향상시키는영상의부호화방법및 장치, 그복호화방법및 장치가개시된다.

    Abstract translation: 公开了一种视频编码方法，其装置，其解码方法及其装置。 视频编码方法产生用于要编码的当前编码单元的第一预测编码单元，并通过使用一个或多个周围像素改变第一预测编码单元的每个像素的像素值，并产生第二预测编码单元 根据当前编码单元是否包括从当前图像的边界出来的区域，有选择地形成第一预测编码单元的像素。 视频编码方法通过对当前编码单元和第二预测编码单元的差值进行编码来提高视频的预测效率。

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