公开(公告)号：US20170310976A1

公开(公告)日：2017-10-26

申请号：US15513230

申请日：2015-09-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sang-kwon NA ,  Sung-oh KIM ,  Jae-moon KIM ,  Ki-won YOO

IPC: H04N19/176 ,  H04N19/61 ,  H04N19/58 ,  H04N19/517 ,  H04N19/423 ,  H04N19/91 ,  H04N19/172

CPC classification number: H04N19/176 ,  H04N19/172 ,  H04N19/423 ,  H04N19/46 ,  H04N19/513 ,  H04N19/517 ,  H04N19/58 ,  H04N19/61 ,  H04N19/91

Abstract: Provided is a video decoding method for reconstructing an image, the video decoding method including: obtaining reference image data from a bitstream; determining an attribute of the reference image data as a long-term reference attribute or a short-term reference attribute, according to a frequency of referring to the reference image data by image data to be decoded; storing the reference image data in a memory by using the attribute of the reference image data; and decoding an image by using the reference image data stored in the memory.

公开(公告)号：US20140270555A1

公开(公告)日：2014-09-18

申请号：US14218273

申请日：2014-03-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyung-ju CHUN ,  Sung-oh KIM ,  Chan-sik PARK ,  Kyo-hyuk LEE

IPC: H04N19/56

CPC classification number: H04N19/57

Abstract: An encoding and decoding method and apparatus are disclosed. whereby, According to the disclosed method, in response to a current frame including a current block being a P frame, a motion vector and an intra-mode-to-inter mode ratio of a frame encoded and decoded previously to the current frame are analyzed in order to determine a temporal search range and a spatial search range of a reference frame.

Abstract translation: 公开了一种编码和解码方法和装置。 根据所公开的方法，响应于包括当前块作为P帧的当前帧，分析了先前编码和解码的帧与当前帧的运动矢量和帧内模式间帧间比率 以便确定参考帧的时间搜索范围和空间搜索范围。

公开(公告)号：US20160191920A1

公开(公告)日：2016-06-30

申请号：US14910887

申请日：2014-08-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae-moon KIM ,  Sung-oh KIM ,  Ki-won YOO ,  Hyung-ju CHUN

IPC: H04N19/137 ,  H04N19/96 ,  H04N19/176 ,  H04N19/196 ,  H04N19/119

Abstract: Provided are a method and apparatus for determining a merge mode by using motion information of a previous prediction unit. The method of determining a merge mode includes obtaining a merge mode cost of a lower depth based on a merge mode cost of a coding unit of an upper depth obtained by using motion information of a merge mode of the coding unit of the upper depth corresponding to a merge mode of the coding unit of the lower depth.

Abstract translation: 提供了一种通过使用先前预测单元的运动信息来确定合并模式的方法和装置。 确定合并模式的方法包括：通过使用通过使用对应于上一个深度的上述深度的编码单位的合并模式的运动信息获得的上层深度的编码单位的合并模式成本来获得较低深度的合并模式成本 较低深度的编码单元的合并模式。

公开(公告)号：US20140269924A1

公开(公告)日：2014-09-18

申请号：US14218177

申请日：2014-03-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung-oh KIM ,  Chan-sik PARK ,  Young-ho MOON ,  Kyo-hyuk LEE

IPC: H04N19/105 ,  H04N19/176 ,  H04N19/119

CPC classification number: H04N19/105 ,  H04N19/157 ,  H04N19/176 ,  H04N19/52

Abstract: Provided are methods and apparatuses for performing motion estimation encoding and decoding on a video. A method of encoding a video includes splitting a picture by using a maximum coding unit; splitting the maximum coding unit into prediction units, according to a split mode indicating a split form of the maximum coding unit; performing motion estimation on a prediction unit having a size equal to or less than a predetermined size from among the prediction units included in the maximum coding unit, and obtaining a motion vector of the prediction unit having the size equal to or less than the predetermined size; and obtaining a motion vector of a prediction unit having a size greater than the predetermined size, by using the motion vector of the prediction unit having the size equal to or less than the predetermined size.

Abstract translation: 提供了用于对视频执行运动估计编码和解码的方法和装置。 一种编码视频的方法包括使用最大编码单元分割图像; 根据表示最大编码单位的分割形式的分割模式将最大编码单位分割为预测单位; 在包含在最大编码单位中的预测单元之中对具有等于或小于预定大小的尺寸的预测单元执行运动估计，并获得尺寸等于或小于预定大小的预测单元的运动矢量 ; 以及通过使用具有等于或小于预定大小的预测单元的运动矢量来获得具有大于预定大小的大小的预测单元的运动矢量。