公开(公告)号：KR101172430B1

公开(公告)日：2012-08-08

申请号：KR1020070083018

申请日：2007-08-17

Applicant: 삼성전자주식회사

Inventor： 이윤구 ,  송병철 ,  김낙훈

IPC: H04N19/136 ,  H04N19/176

CPC classification number: H04N19/152 ,  H04N19/115 ,  H04N19/124 ,  H04N19/136 ,  H04N19/176 ,  H04N19/60

Abstract: 본 발명은 인트라 픽처만을 이용한 부보화에 있어서 비트율을 제어하기 위한 방법 및 그 장치에 관한 것으로, 현재 프레임내의 복수개의 메크로 블록들을 포함하는 블록 그룹들 중 적어도 하나의 블록 그룹과, 적어도 하나의 블록 그룹에 대응하는 이전 프레임내의 블록 그룹간의 유사도를 계산하고, 유사도가 소정의 임계치보다 큰 경우에는, 이전 프레임의 영상 특성을 이용하여 현재 메크로 블록이 속하는 현재 블록 그룹의 목표 비트량을 결정하여 현재 블록 그룹의 목표 비트량에 기초하여 현재 메크로 블록이 속하는 블록 그룹인 현재 블록 그룹의 목표 비트량을 결정하고, 결정된 현재 메크로 블록의 목표 비트량 및 이전 메크로 블록까지 발생된 비트량을 고려하여 현재 메크로 블록의 양자화 계수를 계산함으로써, 고화질 고해상도의 동영상을 버퍼의 오버플로우나 언더플로우가 발생하지 아니하며 실시간으로 전송할 수 있다.
비트열 제어, 인트라 부호화, 실시간

公开(公告)号：KR1020110065997A

公开(公告)日：2011-06-16

申请号：KR1020090122717

申请日：2009-12-10

Applicant: 삼성전자주식회사

Inventor： 민경선 ,  박보건 ,  송병철

IPC: H04N7/01 ,  G06T3/40 ,  G06T5/00

CPC classification number: G06T3/4046

Abstract: PURPOSE: An image processing device and image processing method are provided to effectively generate an image with high resolution from an image with a low resolution even in an environment existing various noise. CONSTITUTION: An image input unit(410) receives an image. A plurality of study images belongs to a second class according to the property the image and a first class according to the property of noise. An image processing unit(420) generates reference data. The image processing unit performs scaling of the inputted image. A display unit(430) displays a scaled high resolution image.

Abstract translation: 目的：提供一种图像处理装置和图像处理方法，即使在存在各种噪声的环境中，也能从低分辨率的图像有效地生成具有高分辨率的图像。 构成：图像输入单元（410）接收图像。 多个研究图像根据图像的属性属于第二类，根据噪声的属性属于第一类。 图像处理单元（420）生成参考数据。 图像处理单元执行输入图像的缩放。 显示单元（430）显示缩放的高分辨率图像。

公开(公告)号：KR1020080108775A

公开(公告)日：2008-12-16

申请号：KR1020070056761

申请日：2007-06-11

Applicant: 삼성전자주식회사

Inventor： 김낙훈 ,  송병철 ,  이윤구

IPC: H04N19/14 ,  H04N19/169

CPC classification number: H04N19/174 ,  H04N19/115 ,  H04N19/126 ,  H04N19/149 ,  H04N19/152 ,  H04N19/177 ,  H04N19/197

Abstract: A bit rate control method and an apparatus thereof using only intra-picture when coding the video sequence are provided to prevent the overflow and underflow of a buffer storing a bit stream by generating an amount of bits by a macro block when coding video sequence only through infra picture. Intra pictures are divided to a specific picture group and the target bit amount of the divided picture group is determined(310). The target bit of slice based on the target bit of the group of picture is determined(320). The target bit of the macroblock equipped in the slice based on the target bit of slice is determined(330). The quantization coefficient of the current macro block encoded in consideration of the amount of bits generated to the target bit of the macro block is calculated(340).

Abstract translation: 提供了一种比特率控制方法及其在编码视频序列时仅使用内部图像的装置，以便仅当通过编码视频序列编码视频序列时才通过生成宏块来生成位数量来防止存储位流的缓冲器的溢出和下溢 下图。 内部图像被划分为特定图像组，并且确定分割图像组的目标比特量（310）。 确定基于图像组的目标比特的切片的目标比特（320）。 确定基于片的目标比特的片中装备的宏块的目标比特（330）。 计算考虑到生成到宏块的目标比特的比特量的编码的当前宏块的量化系数（340）。

公开(公告)号：KR100850706B1

公开(公告)日：2008-08-06

申请号：KR1020020028364

申请日：2002-05-22

Applicant: 삼성전자주식회사

Inventor： 송병철 ,  천강욱

IPC: H04N19/14

CPC classification number: H04N19/587 ,  H04N19/132 ,  H04N19/31

Abstract: 영상의 시간적 복잡도를 고려하여 적응적으로 동영상의 부호화를 수행하기 위한 적응적 동영상 부호화 방법 및 그 장치가 개시되어 있다. 본 발명은 입력 영상의 시간적 복잡도를 고려하여, 신택스(syntax) 레벨에서 프레임 레이트를 달리하여 부호화를 수행함으로써, 고효율로 영상 데이터를 저장할 수 있도록 하기 위한 것으로, 이를 위해 본 발명에 따른 시간적 복잡도를 고려한 적응적 동영상 부호화 방법은 (a) 입력되는 영상 데이터의 시간적 복잡도를 계산하는 단계와; (b) 상기 계산된 시간적 복잡도에 기초하여 입력되는 영상 데이터의 프레임 율을 변환하는 단계와; (c) 상기 프레임 율이 변환된 영상 데이터를 부호화하고, 상기 부호화된 데이터가 상기 결정된 프레임 율을 나타내는 정보를 포함하도록 하기 위해, 상기 부호화된 데이터의 부호화 데이터를 조정하는 단계를 포함한다.

公开(公告)号：KR1020080050114A

公开(公告)日：2008-06-05

申请号：KR1020060120949

申请日：2006-12-01

Applicant: 삼성전자주식회사

Inventor： 송병철

IPC: H04N19/85 ,  G06T5/00 ,  H04N19/136

CPC classification number: H04N19/82 ,  H04N19/117 ,  H04N19/136 ,  H04N19/176 ,  H04N19/186 ,  H04N19/44 ,  H04N19/51

Abstract: An illumination compensation method, an apparatus therefor, a moving picture encoding method using the same, and an apparatus therefor are provided to increase coding efficiency because a parameter for illumination compensation is not transmitted. An illumination compensation parameter calculating unit(120) calculates an illumination compensation parameter of a reference block on the basis of correlation between pixel values of recovered peripheral pixels of a current block to be encoded in a current frame and pixel values of recovered peripheral pixels of the reference block. An illumination-compensated reference block generating unit(140) generates an illumination-compensated reference block on the basis of the calculated illumination compensation parameter.

Abstract translation: 提供照明补偿方法，其装置，使用其的运动图像编码方法及其装置，以提高编码效率，因为不发送用于照明补偿的参数。 照明补偿参数计算单元（120）根据当前帧中要编码的当前块的恢复周边像素的像素值与恢复的周边像素的像素值之间的相关性来计算参考块的照度补偿参数 参考块。 照明补偿基准块生成部（140）根据计算出的照明补偿参数，生成照度补偿基准块。

公开(公告)号：KR1020080047128A

公开(公告)日：2008-05-28

申请号：KR1020060117097

申请日：2006-11-24

Applicant: 삼성전자주식회사

Inventor： 송병철

IPC: H04N19/51 ,  H04N11/04

CPC classification number: H04N19/61

Abstract: A method for transmitting and receiving a moving picture based on RGB codec, and an apparatus thereof are provided to execute encoding and decoding without transformation of color format to prevent picture quality degradation, and to transmit images inputted to a video transmitting/receiving device after the encoding of the RGB, so that the images received by the RGB decoder are recovered and a composition of the decoding device is simplified. An apparatus for transmitting and receiving a moving picture comprises an RGB encoding part(240), an audio bit stream receiving part, a transmitting stream generating part(260), a receiving part, and an RGB image transformation part. The RGB encoding part carries out RGB encoding with regard to the RGB images. The RGB encoding part has an intra prediction and inter prediction part. The intra prediction and inter prediction part executes the intra prediction or inter prediction for the RGB encoding of the present images based on previous RGB images. The RGB image transformation part transforms the received RGB images and the image stream of other formats into the RGB image format.

Abstract translation: 提供了一种基于RGB编解码器发送和接收运动图像的方法及其装置，用于执行编码和解码，而不改变颜色格式以防止图像质量下降，并且在图像发送/接收装置之后发送输入到视频发送/接收装置的图像 编码RGB，使得由RGB解码器接收的图像被恢复，并且解码装置的组合被简化。 用于发送和接收运动图像的装置包括RGB编码部分（240），音频比特流接收部分，发送流生成部分（260），接收部分和RGB图像变换部分。 RGB编码部分对RGB图像执行RGB编码。 RGB编码部分具有帧内预测和帧间预测部分。 帧内预测和帧间预测部分基于先前的RGB图像执行对当前图像的RGB编码的帧内预测或帧间预测。 RGB图像变换部将所接收的RGB图像和其他格式的图像流变换为RGB图像格式。

公开(公告)号：KR1020080045516A

公开(公告)日：2008-05-23

申请号：KR1020060114727

申请日：2006-11-20

Applicant: 삼성전자주식회사

Inventor： 송병철

IPC: H04N19/51 ,  H04N11/04

CPC classification number: H04N19/61 ,  H04N1/648

Abstract: A method for encoding and decoding an RGB image and an apparatus therefor are provided to solve problems of an encoder and a decoder based on a YCbCr signal. An RGB image storing unit(226) stores an inputted RGB image. An RGB encoding unit(240) performs the RGB encoding of the stored RGB image. The RGB encoding unit includes a recovery RGB image storing unit and an inter and intra prediction unit. The recovery RGB image storing unit stores a recovered RGB image. The inter and intra prediction unit performs inter or intra prediction for the coding of a current image on the basis of the stored RGB image.

Abstract translation: 提供了RGB图像的编码和解码方法及其装置，以解决基于YCbCr信号的编码器和解码器的问题。 RGB图像存储单元（226）存储输入的RGB图像。 RGB编码单元（240）执行存储的R​​GB图像的RGB编码。 RGB编码单元包括恢复RGB图像存储单元和帧间和帧内预测单元。 恢复RGB图像存储单元存储恢复的RGB图像。 帧间和帧内预测单元基于所存储的RGB图像，对当前图像的编码进行帧内或帧内预测。

公开(公告)号：KR1020080015592A

公开(公告)日：2008-02-20

申请号：KR1020060077122

申请日：2006-08-16

Applicant: 삼성전자주식회사

Inventor： 송병철

IPC: H04N11/04 ,  H04N19/186 ,  H04N19/51

CPC classification number: H04N19/186 ,  H04N19/593

Abstract: An apparatus and a method for encoding an image, and an apparatus and a method for decoding the image are provided to perform predictive encoding by using a correlation among a plurality of color component images constituting a single image, thereby improving the efficiency in encoding the image. An input image contains a plurality of color component images. Prediction images for remaining color component images after a color component image to be first encoded are generated by using a correlation with a previously encoded color component image according to encoding orders(410). Prediction errors between original images of the remaining color component images and the generated prediction images are calculated to determine an encoding order corresponding to the smallest prediction error(430). The plurality of color component images is encoded according to the determined encoding order(440).

Abstract translation: 提供一种用于对图像进行编码的装置和方法，以及用于对图像进行解码的装置和方法，以通过使用构成单个图像的多个颜色分量图像之间的相关性来执行预测编码，从而提高对图像编码的效率 。 输入图像包含多个颜色分量图像。 通过根据编码顺序使用与先前编码的颜色分量图像的相关性来生成待首先编码的颜色分量图像之后的剩余颜色分量图像的预测图像（410）。 计算剩余颜色分量图像的原始图像与生成的预测图像之间的预测误差，以确定与最小预测误差相对应的编码顺序（430）。 根据确定的编码顺序对多个颜色分量图像进行编码（440）。

公开(公告)号：KR1020080012026A

公开(公告)日：2008-02-11

申请号：KR1020060072950

申请日：2006-08-02

Applicant: 삼성전자주식회사

Inventor： 송병철 ,  천강욱

IPC: H04N11/04 ,  H04N19/176

CPC classification number: H04N19/122 ,  H04N19/176 ,  H04N19/186 ,  H04N19/61

Abstract: A video encoding method and apparatus and a video decoding method and apparatus are provided to perform the color conversion and encoding of an image in consideration of the local properties of the image by performing adaptive color conversion in a predetermined size of a block unit, thereby improving the efficiency of video encoding. A method for encoding a color image comprises the following steps of: generating a color converting function for converting a color format in a predetermined size of a block unit constructing the color image; performing color conversion in the predetermined size of the block unit by using the generated color converting function; and performing the predetermined encoding of the image, in which the color conversion is performed, in the predetermined size of the block unit. An video encoding apparatus for implementing the method includes a BACT(Block Adaptive Color Transform) unit(110), a first encoding unit(120) and an inverse BACT unit(130). The BACT unit creates a color conversion function for converting a color conversion format, and performs color conversion by using the function.

Abstract translation: 提供一种视频编码方法和装置以及视频解码方法和装置，通过以块单位的预定大小执行自适应颜色转换，考虑到图像的局部属性来执行图像的颜色转换和编码，从而改善 视频编码的效率。 一种用于编码彩色图像的方法包括以下步骤：产生用于转换构成彩色图像的块单位的预定大小的颜色格式的颜色转换功能; 通过使用所生成的颜色转换功能来执行块单元的预定大小的颜色转换; 并且以块单位的预定大小执行其中执行颜色转换的图像的预定编码。 一种用于实现该方法的视频编码装置包括一个BACT（块自适应颜色变换）单元（110），一个第一编码单元（120）和一个反向BACT单元（130）。 BACT单元创建转换颜色转换格式的颜色转换功能，并使用该功能进行颜色转换。

公开(公告)号：KR1020080004012A

公开(公告)日：2008-01-09

申请号：KR1020060062440

申请日：2006-07-04

Applicant: 삼성전자주식회사

Inventor： 송병철

IPC: H04N19/186 ,  H04N19/51

CPC classification number: H04N19/186 ,  H04N19/105 ,  H04N19/147 ,  H04N19/176 ,  H04N19/51 ,  H04N19/61

Abstract: A video encoding method and apparatus, and a video decoding method and apparatus are provided to perform prediction encoding by using correlation between plural color components composing a video, thereby improving the encoding efficiency of a video. A video encoding method comprises the following steps of: performing prediction encoding of a pixel block of a predetermined size of a first color component video out of two color components in an input video(1010); performing motion prediction of a remaining color component pixel block corresponding to the first color component video to generate a first prediction pixel block candidate of the remaining color component pixel block(1020); restoring the first prediction-encoded color component pixel block(1030); predicting the remaining color component pixel block by using the restored remaining color component pixel block and generating a second prediction pixel block candidate; and determining one of the first prediction pixel block candidate and the second prediction pixel block candidate as the prediction pixel block of the remaining color component pixel block.

Abstract translation: 提供视频编码方法和装置以及视频解码方法和装置，通过使用构成视频的多个颜色分量之间的相关来执行预测编码，从而提高视频的编码效率。 视频编码方法包括以下步骤：对输入视频（1010）中的两个颜色分量中的第一颜色分量视频的预定大小的像素块执行预测编码; 执行与所述第一颜色分量视频相对应的剩余颜色分量像素块的运动预测，以生成所述剩余颜色分量像素块（1020）的第一预测像素块候选。 恢复第一预测编码颜色分量像素块（1030）; 通过使用恢复的剩余颜色分量像素块来预测剩余颜色分量像素块，并生成第二预测像素块候选; 并且确定第一预测像素块候选和第二预测像素块候选中的一个作为剩余颜色分量像素块的预测像素块。