公开(公告)号：US20090129466A1

公开(公告)日：2009-05-21

申请号：US12155543

申请日：2008-06-05

申请人： Dae-sung Cho ,  Hyun-mun Kim ,  Dae-hee Kim ,  Jae-woo Jung ,  Woong-il Choi

发明人： Dae-sung Cho ,  Hyun-mun Kim ,  Dae-hee Kim ,  Jae-woo Jung ,  Woong-il Choi

IPC分类号： H04N7/26

CPC分类号： H04N19/423 ,  H04N19/103 ,  H04N19/126 ,  H04N19/14 ,  H04N19/176 ,  H04N19/184 ,  H04N19/61 ,  H04N19/70

摘要： A method, medium, and apparatus encoding and/or decoding a moving image. The method of decoding a moving image includes increasing a resolution of a compression image corresponding to a reference image of a current image from among compression images stored in a memory in order to reconstruct the reference image, generating a reconstruction image of the current image by decoding a bitstream by using the reconstructed reference image, and reducing a resolution of the generated reconstruction image in order to compress the reconstruction image and storing the compressed reconstruction image in the memory.

摘要翻译： 编码和/或解码运动图像的方法，介质和装置。 解码运动图像的方法包括：从存储在存储器中的压缩图像中增加与当前图像的参考图像相对应的压缩图像的分辨率，以便重建参考图像，通过解码产生当前图像的重建图像 通过使用重建的参考图像的比特流，并且降低生成的重建图像的分辨率，以便压缩重建图像并将压缩的重建图像存储在存储器中。

公开(公告)号：US20090097573A1

公开(公告)日：2009-04-16

申请号：US12076126

申请日：2008-03-13

申请人： Woong-il Choi ,  Dae-sung Cho ,  Dae-hee Kim ,  Hyun-mun Kim

发明人： Woong-il Choi ,  Dae-sung Cho ,  Dae-hee Kim ,  Hyun-mun Kim

IPC分类号： H04N7/26

CPC分类号： H04N19/40 ,  H04N19/12 ,  H04N19/184 ,  H04N19/186 ,  H04N19/30 ,  H04N19/46 ,  H04N19/61

摘要： Provided are a scalable video coding method and apparatus, and a scalable video decoding method and apparatus. The coding method generates a base layer bitstream of video by using one of a plurality of codecs, determines whether the used codec supports enhancement layer coding, decodes the base layer bitstream according to the result of the determination in order to extract coded information used for the generation of the base layer bitstream, and generates an enhancement layer bitstream of the original video based on the extracted information. Accordingly, it is possible to provide high-quality video and increase coding efficiency while using the various existing codecs.

摘要翻译： 提供了一种可分级视频编码方法和装置，以及可分级视频解码方法和装置。 编码方法通过使用多个编解码器中的一个生成视频的基本层比特流，确定所使用的编解码器是否支持增强层编码，根据确定结果对基本层比特流进行解码，以便提取用于 生成基本层比特流，并且基于所提取的信息生成原始视频的增强层比特流。 因此，可以在使用各种现有的编解码器的同时提供高质量的视频并提高编码效率。

公开(公告)号：US20080056352A1

公开(公告)日：2008-03-06

申请号：US11896443

申请日：2007-08-31

申请人： Dae-Hee Kim ,  Hyun-mun Kim ,  Dae-sung Cho ,  Woong-il Choi ,  Jae-woo Jung

发明人： Dae-Hee Kim ,  Hyun-mun Kim ,  Dae-sung Cho ,  Woong-il Choi ,  Jae-woo Jung

IPC分类号： H04B1/66

CPC分类号： H04N19/36 ,  H04N19/124 ,  H04N19/184 ,  H04N19/186 ,  H04N19/187 ,  H04N19/59 ,  H04N19/61

摘要： A video encoding apparatus and method and a video decoding apparatus and method are provided. The video encoding apparatus includes a base layer encoding unit generating a base layer bitstream including a quantization level of video data and a base quantization parameter corresponding to a base bit-depth, an enhancement layer encoding unit generating an enhancement layer bitstream including a refined quantization parameter for refining the difference between an extended bit-depth and the base bit-depth, and a bitstream combining unit combining the base layer bitstream and the enhancement layer bitstream to generate the scalable bitstream. The video decoding apparatus includes a base layer decoding unit decoding a base layer bitstream including a quantization level of video data and a base quantization parameter corresponding to a base bit-depth in a received bitstream to obtain a base restoration image, an enhancement layer decoding unit decoding an enhancement layer bitstream including a refined quantization parameter for refining the difference between an extended bit-depth and the base bit-depth in the received bitstream, and a bit-depth restoration unit obtaining an extended restoration image corresponding to an extended bit-depth by using the decoded quantization level, the decoded base quantization parameter, and the decoded refined quantization parameter.

摘要翻译： 提供了视频编码装置和方法以及视频解码装置和方法。 该视频编码装置包括：基本层编码单元，生成包括视频数据的量化级别和与基本位深度相对应的基本量化参数的基本层位流;增强层编码单元，生成包含精细量化参数的增强层比特流 用于改善扩展位深度和基本位深度之间的差异;以及比特流组合单元，组合基本层比特流和增强层比特流以生成可缩放比特流。 视频解码装置包括：基本层解码单元，对包含视频数据的量化级别的基本层比特流和对应于接收比特流中的基本比特深度的基本量化参数进行解码，以获得基本恢复图像;增强层解码单元 解码包括精细化量化参数的增强层比特流，用于细化所接收的比特流中的扩展比特深度和基本比特深度之间的差异;以及比特深度恢复单元，获得对应于扩展比特深度的扩展恢复图像 通过使用解码的量化级，解码的基本量化参数和解码的精化量化参数。

公开(公告)号：US08904017B2

公开(公告)日：2014-12-02

申请号：US12958007

申请日：2010-12-01

申请人： Jong-hyun Yoon ,  Sang-su Nam ,  Jae-min Ahn ,  Dae-sung Cho ,  Hyun-gyoo Yook

发明人： Jong-hyun Yoon ,  Sang-su Nam ,  Jae-min Ahn ,  Dae-sung Cho ,  Hyun-gyoo Yook

IPC分类号： G06F15/16 ,  H04M1/725 ,  H04W88/02

CPC分类号： G06F3/04883 ,  G06F3/016 ,  G06F3/017 ,  G06F3/0481 ,  G06F3/0482 ,  G06F3/0483 ,  G06F3/0488 ,  G06F3/04886 ,  G06F9/451 ,  G07F17/32 ,  H04M1/274525 ,  H04M1/72525 ,  H04M1/72561 ,  H04M1/72583 ,  H04M19/047 ,  H04M2250/22 ,  H04W8/18 ,  H04W76/10 ,  H04W84/12 ,  H04W88/02

摘要： The mobile device includes a communication unit which performs communication through a network; and a control unit which executes an application prepared by an application programming interface (API) of the network function provided by a platform, and controls the communication unit to perform communication in accordance with a setup of a preferred network if the application includes the setup of the preferred network.

摘要翻译： 移动设备包括通过网络进行通信的通信单元; 以及控制单元，其执行由平台提供的网络功能的应用程序编程接口（API）准备的应用程序，并且如果所述应用程序包括所述设备的设置，则控制所述通信单元根据优选网络的设置进行通信 首选网络。

公开(公告)号：US08406545B2

公开(公告)日：2013-03-26

申请号：US12289615

申请日：2008-10-30

申请人： Woong-il Choi ,  Dae-hee Kim ,  Dae-sung Cho ,  Hyun-mun Kim

发明人： Woong-il Choi ,  Dae-hee Kim ,  Dae-sung Cho ,  Hyun-mun Kim

IPC分类号： G06K9/36 ,  G06T9/40 ,  H04N1/417 ,  H04N1/415

CPC分类号： H04N19/39 ,  H04N19/129 ,  H04N19/16 ,  H04N19/18 ,  H04N19/187 ,  H04N19/60

摘要： Provided are an apparatus for encoding an image and an apparatus for decoding an image. The apparatus for encoding the image includes a grouping unit to group transform coefficients according to layers and generate groups, a pattern encoding unit to generate and encode the pattern information of each group by using the quantized transform coefficients existing in the groups of each layer in an order from an upper layer to a lower layer, and a level encoding unit to encode levels of the quantized transform coefficients corresponding to the pattern information of the groups of each layer and generate bitstreams along with the pattern information of the groups of each layer.

公开(公告)号：US08374248B2

公开(公告)日：2013-02-12

申请号：US12285785

申请日：2008-10-14

申请人： Dae-sung Cho ,  Hyun-mun Kim ,  Dae-hee Kim ,  Jae-woo Jung ,  Woong-il Choi

发明人： Dae-sung Cho ,  Hyun-mun Kim ,  Dae-hee Kim ,  Jae-woo Jung ,  Woong-il Choi

IPC分类号： H04N7/12

CPC分类号： H04N19/59 ,  H04N19/102 ,  H04N19/176 ,  H04N19/46 ,  H04N19/513 ,  H04N19/523 ,  H04N19/61

摘要： Provided are a resolution varying video encoding/decoding apparatus and method are provided. The video encoding apparatus comprises a resolution varying encoder to perform an encoding operation using motion estimation and compensation on a current image having a first resolution and a current image having a second resolution according to a resolution control signal to generate a bitstream, and a controller to generate the resolution control signal for varying a resolution to the first resolution or the second resolution at a predetermined interval. The video decoding apparatus comprises an analyzer to analyze a bitstream composed of encoded data having a first resolution or a second resolution and to generate a resolution control signal corresponding to a resolution flag included in the bitstream, and a resolution varying decoder to perform a decoding operation using motion compensation on encoded data having the first resolution and encoded data having the second resolution according to the resolution control signal to generate a reconstructed image.

公开(公告)号：US08126282B2

公开(公告)日：2012-02-28

申请号：US12289608

申请日：2008-10-30

申请人： Jae-woo Jung ,  Hyun-mun Kim ,  Dae-hee Kim ,  Dae-sung Cho ,  Woong-II Choi

发明人： Jae-woo Jung ,  Hyun-mun Kim ,  Dae-hee Kim ,  Dae-sung Cho ,  Woong-II Choi

IPC分类号： G06K9/36 ,  G06K9/46

CPC分类号： H04N19/433 ,  H04N19/43

摘要： Provided are an image encoding apparatus and an image decoding apparatus. The image encoding apparatus includes a compression unit compressing a reference image by reducing a resolution of the reference image in a resolution adjustment mode determined from among at least two resolution adjustment modes according to a distribution of values of pixels of the reference image, and providing the compressed reference image to a memory, a reconstruction unit reconstructing the reference image by increasing a resolution of the compressed reference image stored in the memory to an original resolution, a predictive encoding unit performing predictive encoding on a current image by using the reconstructed reference image, and a predictive decoding unit generating the reference image by performing decoding on the predictive encoded current image, and providing the generated reference image to the compression unit.

摘要翻译： 提供了图像编码装置和图像解码装置。 图像编码装置包括压缩单元，该压缩单元通过根据参考图像的像素的分布值从至少两个分辨率调整模式中确定的分辨率调整模式中降低参考图像的分辨率来压缩参考图像，并且提供 压缩参考图像到存储器，重建单元通过将存储在存储器中的压缩参考图像的分辨率增加到原始分辨率来重构参考图像;预测编码单元，通过使用重构的参考图像对当前图像执行预测编码， 以及预测解码单元，通过对预测编码的当前图像执行解码，生成参考图像，并将生成的参考图像提供给压缩单元。

公开(公告)号：US20110211642A1

公开(公告)日：2011-09-01

申请号：US13128723

申请日：2009-11-05

申请人： Dae-sung Cho ,  Woong-il Choi ,  Kwan-woong Song ,  Young-hun Joo ,  Yong-serk Kim ,  Dong-Gyu Sim ,  Jung-Hak Nam ,  Bong-Il Ji

发明人： Dae-sung Cho ,  Woong-il Choi ,  Kwan-woong Song ,  Young-hun Joo ,  Yong-serk Kim ,  Dong-Gyu Sim ,  Jung-Hak Nam ,  Bong-Il Ji

IPC分类号： H04N7/26 ,  H04N7/32

CPC分类号： H04N19/513 ,  H04N19/102 ,  H04N19/156 ,  H04N19/174 ,  H04N19/436 ,  H04N19/61

摘要： A moving picture encoding/decoding apparatus and method for processing a moving picture, which is divided in units of slices are provided. The encoding method includes: dividing a moving picture in units of slices when the moving picture is received; determining an encoding order of moving pictures divided in units of slices; and generating a bitstream by encoding moving pictures, which are divided in units of slices, according to a corresponding order when the encoding order had been determined.

摘要翻译： 提供了以切片为单位划分的用于处理运动图像的运动图像编码/解码装置和方法。 编码方法包括：当接收到运动图像时以片为单位划分运动图像; 确定以片为单位划分的运动图像的编码顺序; 以及当已经确定了编码顺序时，根据相应的顺序编码以切片为单位划分的运动图像来生成比特流。

公开(公告)号：US20090190843A1

公开(公告)日：2009-07-30

申请号：US12289608

申请日：2008-10-30

申请人： Jae-woo Jung ,  Hyun-mun Kim ,  Dae-hee Kim ,  Dae-sung Cho ,  Woong-II Choi

发明人： Jae-woo Jung ,  Hyun-mun Kim ,  Dae-hee Kim ,  Dae-sung Cho ,  Woong-II Choi

IPC分类号： G06K9/36

CPC分类号： H04N19/433 ,  H04N19/43

摘要： Provided are an image encoding apparatus and an image decoding apparatus. The image encoding apparatus includes a compression unit compressing a reference image by reducing a resolution of the reference image in a resolution adjustment mode determined from among at least two resolution adjustment modes according to a distribution of values of pixels of the reference image, and providing the compressed reference image to a memory, a reconstruction unit reconstructing the reference image by increasing a resolution of the compressed reference image stored in the memory to an original resolution, a predictive encoding unit performing predictive encoding on a current image by using the reconstructed reference image, and a predictive decoding unit generating the reference image by performing decoding on the predictive encoded current image, and providing the generated reference image to the compression unit.

摘要翻译： 提供了图像编码装置和图像解码装置。 图像编码装置包括压缩单元，该压缩单元通过根据参考图像的像素的分布值从至少两个分辨率调整模式中确定的分辨率调整模式中降低参考图像的分辨率来压缩参考图像，并且提供 压缩参考图像到存储器，重建单元通过将存储在存储器中的压缩参考图像的分辨率增加到原始分辨率来重构参考图像;预测编码单元，通过使用重构的参考图像对当前图像执行预测编码， 以及预测解码单元，通过对预测编码的当前图像执行解码，生成参考图像，并将生成的参考图像提供给压缩单元。

公开(公告)号：US20090110054A1

公开(公告)日：2009-04-30

申请号：US12213017

申请日：2008-06-12

申请人： Dae-hee Kim ,  Dae-sung Cho ,  Woong-il Choi

发明人： Dae-hee Kim ,  Dae-sung Cho ,  Woong-il Choi

IPC分类号： H04N7/26

CPC分类号： H04N19/00321 ,  H04N19/184 ,  H04N19/186 ,  H04N19/187 ,  H04N19/33 ,  H04N19/59 ,  H04N19/61 ,  H04N19/63 ,  H04N19/645 ,  H04N19/647

摘要： A method, medium, and apparatus for encoding and/or decoding video by generating a scalable bitstream formed with a base layer bitstream and an enhancement layer bitstream, in order to provide forward compatibility, is described. The method includes reconstructing an image having an extended bit-depth and an extended video format into an image having a base bit-depth and a base video format, encoding the reconstructed image, and as a result of the encoding of the image having the base bit-depth and the base video format, generating a base layer bitstream, and reconstructing the image having the extended bit-depth and extended video format into an image having the extended bit-depth and the base video format, and by using the result of the encoding of the image having the base bit-depth and the base video format, encoding the image having the extended bit-depth and the base video format, and generating an enhancement layer bitstream with a result of the encoding of the image having the extended bit-depth and the base video format and additional data required for the extended video format.

摘要翻译： 描述了通过生成形成有基本层比特流和增强层比特流的可分级比特流来编码和/或解码视频的方法，介质和装置，以提供向前兼容性。 该方法包括将具有扩展位深度和扩展视频格式的图像重建为具有基本位深度和基本视频格式的图像，对重建图像进行编码，并且作为具有基底的图像的编码结果 比特深度和基本视频格式，生成基本层比特流，并将具有扩展比特深度和扩展视频格式的图像重构为具有扩展比特深度和基本视频格式的图像，并且使用 具有基本位深度和基本视频格式的图像的编码，对具有扩展位深度的图像和基本视频格式进行编码，以及生成具有扩展的图像的编码结果的增强层比特流 位深度和基本视频格式以及扩展视频格式所需的附加数据。