Abstract:
본 발명은 영상 정보의 부호화 및 복호화 방법과 장치에 관한 것으로서, 본 발명에 따른 영상 정보 부호화 방법으로서, 현재 블록에 대한 예측을 수행하는 단계 및 상기 예측된 정보를 엔트로피 부호화하여 전송하는 단계를 포함하며, 상기 예측을 수행하는 단계는, 상기 현재 블록의 주변 블록으로부터, 상기 주변 블록의 움직임 정보를 획득하는 단계 및 상기 획득한 움직임 정보를 기반으로 상기 현재 블록의 움직임 정보를 결정하는 단계를 포함하고, 상기 전송 단계에서는 상기 현재 블록의 예측에 필요한 정보를 함께 전송할 수 있으며, 본 발명에 의하면, 영상 압축 처리의 복잡도를 낮추고 전송 정보량을 줄일 수 있다.
Abstract:
본 발명에 의하면, 영상의 부호화 장치에 있어서, 영상 내 현재 블록의 임의의 움직임 벡터를 예측할 때, 주변 블록에 대응하는 움직임 벡터의 벡터 정보, 현재 블록의 이전움직임 벡터의 벡터 정보 중 하나 이상을 이용하여 상기 예측을 수행하는 움직임 벡터 예측부와, 상기 움직임 벡터 예측부에 의해 예측된 움직임 벡터 및 상기 현재 블록의 실제 움직임 벡터를 기초로 현재 블록의 움직임 벡터에 대한 차분 정보를 결정하는 차분 결정부를 포함하는 영상의 부호화 장치를 제공할 수 있다.
Abstract:
A three-dimensional TV multiplexing method according to the present invention comprises the following steps of: deriving a delay value per frame for a left image and a right image based on a left image PES corresponding to the left image and a right image PES corresponding to the right image; synchronizing the left image PES and the right image PES based on the delay value per frame; and generating a 3DTV TS by multiplexing the synchronized left image PES and the synchronized right image PES. According to the present invention, the efficiency of an image service can be improved. [Reference numerals] (S810) Extract PES and PSI for each of multiple images;(S820) Synchronize the multiple PES images;(S830) Correct PTS/DTS;(S840) Generate 3D TV PSI;(S850) Generate 3D TV TS
Abstract translation:根据本发明的三维TV复用方法包括以下步骤:基于与左图像相对应的左图像PES和对应于左图像的右图像PES,获得左图像和右图像的每帧延迟值 正确的形象; 基于每帧的延迟值来同步左图像PES和右图像PES; 以及通过复用同步的左图像PES和同步的右图像PES来生成3DTV TS。 根据本发明,可以提高图像服务的效率。 (S810)对多个图像中的每一个提取PES和PSI;(S820)同步多个PES图像;(S830)正确的PTS / DTS;(S840)生成3D TV PSI;(S850)生成3D TV TS
Abstract:
PURPOSE: A protection switching method in an optical transport network and an apparatus for the same are provided to provide a protection switching function for every flexible optical channel data unit in the optical transport network. CONSTITUTION: A first transmitting unit (210) maps an inputted signal in multiple first optical channels. The first transmitting unit transmits a mapped signal to a reception node. The multiple first optical channels are composed by flexible optical channel data units within an optical wavelength of a working channel. A protection switching control unit (212) switches only a first optical channel in which a failure occurs among the first optical channels of the working line with a spare line. A first reception unit (310) detects the first optical channel in which the failure occurs among the multiple first optical channels of the working line. [Reference numerals] (110) Driving path; (120) Reserve path; (200,300) Node; (210) Transmitting unit; (212,316) Protection switching control unit; (214) First optical channel generation unit; (2141,2161) ODTU signal generation unit; (216) Second optical channel generation unit; (310) Reception unit; (312) First optical channel termination unit; (3122,3142) ODTU signal termination unit; (314) Second optical channel termination unit
Abstract:
PURPOSE: A video encoding method and a computer-readable recording medium thereof are provided to perform intra-prediction by applying an adaptive filter to a boundary pixel value of a block which is to be predicted in video encoding or to a predicted pixel value of a current block. CONSTITUTION: A video encoding method comprises the step (S201) of determining whether a first filter is applied to a reference pixel value of a current block or not; and the step of producing a predicted value for the current block by using the reference pixel value which is induced according to the application of the first filter. [Reference numerals] (AA) Start; (BB) End; (S201) Determine whether to apply a filter or not (reference pixel values); (S202) Apply a filter (reference pixel values); (S203) Perform intra prediction; (S204) Determine whether to apply a filter or not (block prediction values); (S205) Apply a filter (block prediction values)
Abstract:
PURPOSE: An intra-prediction mode encoding/decoding method and a computer-readable recording medium are provided to improve efficiency in encoding and decoding an image. CONSTITUTION: A device for encoding an image includes a motion prediction part, a motion compensation part, an intra-prediction part, a switch, a subtracter, a conversion part, a quantization part, an entropy encoding part, an inverse quantization part, an inverse conversion part, an adder, a filter part, and a referential picture buffer. An intra-prediction mode decoding method includes: a step (S1310) of deriving peripheral prediction mode information including an angle difference between peripheral prediction modes and/or the mode number of the peripheral prediction mode using a decoder; and a step (S1320) of decoding an intra-prediction mode using the peripheral prediction mode information using the decoder. [Reference numerals] (S1310) Draw information about a peripheral prediction mode; (S1320) Decode an intra-prediction mode using the peripheral prediction mode information
Abstract:
PURPOSE: Based on an encoding parameter of a reference block, the properties of the reference block are determined, and the current block is encoded by adapting the movement information of the reference block to the current block. CONSTITUTION: A program determines a reconstruction block as a reference block of a decoding target block based on a reference block identifier (S110). Based on the movement information of the reference block, the program determines movement information which will be applied to the decoding target block (S120). Based on the movement information, the program decodes the decoding target block (S140). The block identifier indicates the reconstruction block to be used as the reference block. [Reference numerals] (AA) Start; (BB) End; (S110) Determine a reference block; (S120) Determine an encoding parameter of the reference block; (S130) Determine the properties of the reference block; (S140) Encode an encoding target block
Abstract:
PURPOSE: An image encoding method using a quad tree and a storage medium readable by a computer are provided to increase the image encoding efficiency by decoding the conversion unit information using a quad tree. CONSTITUTION: An image decoder decodes pattern information on the basis of the conversion unit information integrated flag information (S1200). The image decoder decodes division code block flag corresponding to a pattern or division information flag information on the basis of the decoded pattern information (S1210). [Reference numerals] (AA) Start; (BB) End; (S1200) Decode pattern information on the basis of conversion unit information integrated flag information in a conversion unit; (S1210) Decode division code block flag corresponding to a pattern or division information flag on the basis of the decoded pattern information
Abstract:
PURPOSE: A video encoding method using a motion vector and a compute readable storage medium are provided to reduce the size of a memory space and a memory access bandwidth using the spacious correlation of the motion vector. CONSTITUTION: A video encoding device cuts the motion vector of a reference picture in a predetermined dynamic range and generates the cut motion vector(S1410). The video encoding device stores the cut motion vector in a buffer(S1420). The video encoding device encodes the motion vector of an encoding target block using the stored motion vector(S1430). [Reference numerals] (S1410) Cut the motion vector of a reference picture; (S1420) Store the cut motion vector; (S1430) Encode the motion vector of an encoding target block
Abstract:
PURPOSE: An encoding/decoding device and a method thereof for predicting an arbitrary motion vector are provided to consider a motion vector of a neighboring vector and a previous motion vector by scaling vector information of a motion vector of the neighboring vector and the previous motion vector. CONSTITUTION: When predicting an arbitrary motion vector in a current block within an image, the prediction is performed by using more than one of vector information of a motion vector corresponding to a neighboring vector and vector information of a previous motion vector of a current vector(S10). Differential information with respect to a motion vector of the current block based on the motion vector predicted by a motion vector prediction unit and an actual motion vector of the current block is determined(S20). [Reference numerals] (AA) Start; (BB) Finish; (S10) Current vector; (S20) Current block is determined