University-Industry Cooperation Group of Kyung Hee University

Electronics and Telecommunications Research Institute

Kwangwoon University Industry-Academic Collaboration Foundation

Korea Advanced Institute of Science and Technology

Dolby Laboratories Licensing Corporation

Intellectual Discovery Co., Ltd.

Samsung Electronics Co., Ltd.

Electronic and Telecommunications Research

Gwang Hoon Park

Hui Yong Kim

Sung Chang Lim

Jin Soo Choi

Kyung Yong Kim

Jin Ho Lee

Jin Woong Kim

Se Yoon Jeong

Sang Min Kim

Ha Hyun Lee

Dong Gyu Sim

Tae Hyun Kim

Young Su Heo

Jong Ho Kim

Hae Chul Choi

Jin Woo Hong

Dae Young Lee

Sung-Chang Lim

Jung Won Kang

Gun Bang

Seoung-Jun Oh

Yoon Jin Lee

Sea-Nae Park

Suk Hee Cho

Chie Teuk Ahn

Chang-Beom Ahn

Seoung Jun Oh

Seung Ryong Kook

Kwang-Su Jeong

Nam Ho Hur

Dong San Jun

Hyun Suk Ko

Sea Nae Park

Doug Young Suh

Kyu Heon Kim

Won Sik Cheong

Han Soo Lee

Chan Woong Jeon

Tae Ryong Kim

Gi Mun Um

Min Seong Lee

Mun Churl Kim

Gwang Soon Lee

Tae Wook Kim

Woo Woen Gwun

Won Jun Lee

Neung Joo Hwang

Seung Hyun Cho

Min Woo Park

Dong-Gyu Sim

Byungchul Kim

Hae-Chul Choi

Sanghyun Park

Jinho Lee

Jongho Kim

Sukhee Cho

Jae Yeon Song

Hahyun Lee

Seo Young Hwang

Kook Heui Lee

Kyuheon Kim

Kyung Mo Park

Seok Jong Hong

Sung Chang Chang Lim

Neung-Joo Hwang

Dong Hyu Sim

Sung Jae Yoon

Seong Seon Baek

The image decoding method according to the present invention comprises the steps of: determining the availability of a block adjacent to a current block; configuring a merge candidate list for the current block on the basis of the result of the determined availability; and performing motion compensation for the current block on the basis of the merge candidate list, wherein the step of determining availability comprises the steps of inducing block availability information on the adjacent block and inducing the availability of motion information on the adjacent block, and the step of determining the availability of the adjacent block is such that when there is more than one adjacent block, the availability of adjacent blocks can be determined in accordance with a predetermined order restriction.

Image encoding/decoding method and device using same

A method for coding image information includes generating prediction information by predicting information on a current coding unit, and determining whether the information on the current coding unit is the same as the prediction information. When the information on the current coding unit is the same as the prediction information, a flag indicating that the information on the current coding unit is the same as the prediction information is coded and transmitted. When the information on the current coding unit is not the same as the prediction information, a flag indicating that the information on the current coding unit is not the same as the prediction information and the information on the current coding unit are coded and transmitted. At the generating of the prediction information, the prediction information is generated by using the information on the coding unit neighboring to the current coding unit

Method for encoding video information and method for decoding video information, and apparatus using same

The present invention relates to a method and apparatus for video encoding/decoding by using a geometric modified picture. The encoding method according to the present invention includes: generating a geometric modified picture by geometrically modifying a reference picture; and generating a first prediction block of a current block by performing inter prediction referencing the geometric modified picture.

Method and device for encoding/decoding image using geometrically modified picture

A method and a device for encoding/decoding images are disclosed. The method for encoding images comprises the steps of: deriving a scan type of a residual signal for a current block according to whether or not the current block is a transform skip block; and applying the scan type to the residual signal for the current block, wherein the transform skip block is a block to which transform for the current block is not applied and is specified on the basis of information indicating whether or not transform for the current block is to be applied.

Method and device for encoding/decoding images

The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.

Apparatus for encoding and decoding image by skip encoding and method for same

There is provided an image encoding/decoding method and apparatus. The image encoding method of the present invention includes: generating at least one candidate block including warped reference picture (WRP) Flag information in an advanced motion vector prediction (AMVP) mode; constructing a candidate list including the at least one candidate block; and generating a prediction block of a current block based on the candidate list.

Method and apparatus for encoding/decoding image using geometrically modified reference picture

The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.

Image encoder and decoder using unidirectional prediction

The present invention discloses an image decoding method, the method including generating a candidate list including motion information derived from a spatial neighboring block and a temporal neighboring block adjacent to a current block; deriving motion information of the current block using the candidate list; generating a prediction block of the current block using the derived motion information; and updating the derived motion information in a motion information list, wherein the generating of the candidate list is performed in such a manner as to include at least one information of the motion information included in the updated motion information list in a block decoded before the current block.

Image encoding/decoding method and device, and recording medium storing bitstream

Provided are an encoding device using predictive coding in a screen and a method thereof, and a decoding device and a method thereof. The encoding device is capable of generating a prediction block of a current block according to one of methods for generating a plurality of predetermined prediction blocks, and outputting at least one of encoding information and differential blocks as bitstream by entropy encoding according to whether differential blocks are encoded or not.

Method and device for simplifying the encoding and decoding of ultra-high definition images

There is provided a method of decoding an image, the method comprising: decoding information for motion information prediction of a current block from a bitstream, predicting motion information of the current block based on the information, refining motion information of the current block by using the decoded information and the predicted motion information of the current block and reconstructing the current block based on the refined motion information of the current block.

Motion information prediction method and apparatus for distortion due to projection formation conversion

The construction method of NALU (Network Abstraction Layer Unit) for IPv6 label switching and its using algorithms of video encoding, QoS control, and decoding are provided. According to an embodiment of the present invention, the NALU format is composed of the NALH (Network Abstraction Layer Header) including the label and the NAL (Network Abstraction Layer) payload. Here, the label is determined based on layer information which is combination of a spatial scalable level, a temporal scalable level, and a quality scalable level of the encoded data. The decoder uses the label to decide which one of multiple decoding modules is used to decode the current NAL payload. Moreover, the label can be included in the packet header so that the MANE (Media Aware Network Element) can use the label to decide whether to forward the packet or drop it. For example, the label in the packet header can be used for QoS control of video service by using the flow label field in IPv6 packet header. The IPv6 router can identify priority of the video packet by using the 20 bit long flow label, into which the label in NALH can be inserted. According to the embodiment, the MANE assumed in the MPEG and JVT (Joint Video Team) can be implemented effectively.

Packet format of network abstraction layer unit, and algorithm and apparatus for video encoding and decoding using the format, QoS control algorithm and apparatus for IPV6 label switching using the format

Disclosed are a method and an apparatus for coding/decoding an image. The method for decoding the image comprises the steps of: deriving a scale factor of a current block, depending on whether the current block is a conversion skip block; and scaling the current block on the basis of the scale factor, wherein the scale factor of the current block is derived on the basis of the position of a conversion coefficient inside the current block, and wherein the conversion skip block is the current block to which conversion is not applied and is specified on the basis of information indicating whether to apply reconversion to the current block.

Method and apparatus for coding/decoding image

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Seongnam-si, South Korea

Gwang Hoon Park