公开(公告)号：US20160205409A1

公开(公告)日：2016-07-14

申请号：US14916794

申请日：2014-09-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-woo PARK ,  Dae-hee KIM ,  Sung-bum PARK ,  Pil-kyu PARK ,  Jae-won YOON ,  Dai-woong CHOI ,  Dae-sung CHO

IPC: H04N19/503 ,  H04N19/105 ,  H04N19/44 ,  H04N19/176

CPC classification number: H04N19/176 ,  H04N19/105 ,  H04N19/17 ,  H04N19/44 ,  H04N19/503

Abstract: A screen image encoding method includes: obtaining and storing one or more candidate blocks, which are spatially co-located with a current block, from images encoded prior to a current image; determining whether a reference block used to encode the current block exists in the stored one or more candidate blocks; and encoding at least one of index information indicating the reference block, prediction information used to encode the current block from the reference block, and information about the current block, based on a result of the determining.

Abstract translation: 屏幕图像编码方法包括：从当前图像之前编码的图像中获取并存储与当前块在空间上同位的一个或多个候选块; 确定用于编码当前块的参考块是否存在于存储的一个或多个候选块中; 并且基于所述确定的结果，编码指示所述参考块的索引信息，用于从所述参考块编码所述当前块的预测信息和关于所述当前块的信息中的至少一个。

公开(公告)号：US20160134871A1

公开(公告)日：2016-05-12

申请号：US14939265

申请日：2015-11-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dae-Hee KIM ,  Young-jin KWAK ,  Woong-il CHOI ,  Dai-woong CHOI

IPC: H04N19/124 ,  H04N19/176 ,  H04N19/196 ,  H04N19/162

CPC classification number: H04N19/117 ,  H04N19/14 ,  H04N19/182 ,  H04N19/86

Abstract: A method of encoding an image includes obtaining a quantization parameter; determining a size of a smoothing block based on the quantization parameter, determining threshold values based on a main pixel in the smoothing block, selecting a pixel having a pixel value between the threshold values, from among pixels included in the smoothing block, performing a smoothing operation with respect to the main pixel based on the pixel value of the selected pixel, and encoding an image with respect to which the smoothing operation is performed.

Abstract translation: 编码图像的方法包括获得量化参数; 基于量化参数确定平滑块的尺寸，基于平滑块中的主像素确定阈值，从包括在平滑块中的像素中选择具有阈值之间的像素值的像素，执行平滑 基于所选择的像素的像素值对主像素进行操作，以及对执行平滑处理的图像进行编码。

公开(公告)号：US20140099041A1

公开(公告)日：2014-04-10

申请号：US14045333

申请日：2013-10-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dae-hee KIM ,  Dai-woong CHOI ,  Dae-sung CHO

IPC: G06T9/00

CPC classification number: G06T9/00 ,  H04N19/12 ,  H04N19/136 ,  H04N19/167 ,  H04N19/17 ,  H04N19/20 ,  H04N19/85 ,  H04N21/431 ,  H04N21/8166

Abstract: A method and apparatus for implementing cloud computing by efficiently encoding a display screen between a cloud server and a client terminal. The method for encoding a cloud display screen in the cloud server, includes: acquiring region information of currently generated windows based on an application programming interface (API) function information of an Operating System (OS); extracting relative depth information between each of the currently generated windows from the OS; generating an encoding mode map in which an entire screen is divided into a plurality of blocks, based on the acquired region information and the extracted relative depth information; and encoding each of the plurality of blocks based on the generated encoding mode map.

Abstract translation: 一种通过在云服务器和客户终端之间高效地编码显示屏来实现云计算的方法和装置。 云服务器中的云显示屏的编码方法包括：基于操作系统（OS）的应用编程接口（API）功能信息获取当前生成的窗口的区域信息; 从OS中提取当前生成的每个窗口之间的相对深度信息; 基于获取的区域信息和所提取的相对深度信息，生成其中整个屏幕被划分为多个块的编码模式图; 以及基于所生成的编码模式图来编码所述多个块中的每一个。

公开(公告)号：US20130142448A1

公开(公告)日：2013-06-06

申请号：US13692340

申请日：2012-12-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung-bum PARK ,  Jae-won YOON ,  Dai-woong CHOI

IPC: G06K9/36

CPC classification number: G06K9/36 ,  H04N19/105 ,  H04N19/13 ,  H04N19/14 ,  H04N19/91

Abstract: Provided are binary image encoding and decoding methods and binary image encoding and decoding apparatuses using an adaptive template. The binary image encoding method includes: applying a window having a predetermined size and shape to a predetermined number of previous pixels and peripheral pixels of the previous pixels, and acquiring correlations between the previous pixels and the peripheral pixels within the window; determining relative locations having high correlation with the previous pixels within the window based on the acquired correlations; generating a template based on the determined relative locations; and performing binary arithmetic encoding on a current pixel by using the generated template.

Abstract translation: 提供了二进制图像编码和解码方法以及使用自适应模板的二进制图像编码和解码装置。 二进制图像编码方法包括：将具有预定大小和形状的窗口应用于先前像素的预定数量的先前像素和周边像素，并且获取先前像素和窗口内的周边像素之间的相关性; 基于所获取的相关性确定与所述窗口内的先前像素具有高相关性的相对位置; 基于所确定的相对位置生成模板; 以及通过使用所生成的模板对当前像素执行二进制算术编码。

公开(公告)号：US20200294304A1

公开(公告)日：2020-09-17

申请号：US16888036

申请日：2020-05-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae-yun JEONG ,  Do-wan KIM ,  Yong-gyoo KIM ,  Gun-hee LEE ,  Jae-kyeong LEE ,  Jin-bong LEE ,  Dai-woong CHOI ,  Hyun-soo CHOI

IPC: G06T15/20 ,  H04N13/279 ,  G06T15/10 ,  G06T3/00 ,  G06T15/50 ,  G06F3/01 ,  G06T15/40 ,  G06T19/00

Abstract: A method of processing an image by a device obtaining one or more images including captured images of objects in a target space, generating metadata including information about mapping between the one or more images and a three-dimensional (3D) mesh model used to generate a virtual reality (VR) image of the target space, and transmitting the one or more images and the metadata to a terminal.

公开(公告)号：US20170316600A1

公开(公告)日：2017-11-02

申请号：US15584274

申请日：2017-05-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae-yun JEONG ,  Do-wan KIM ,  Yong-gyoo KIM ,  Gun-hee LEE ,  Jae-kyeong LEE ,  Jin-bong LEE ,  Dai-woong CHOI ,  Hyun-soo CHOI

IPC: G06T15/20 ,  G06T19/00 ,  G06F3/01 ,  G06T15/40 ,  H04N13/02

Abstract: A method of processing an image by a device obtaining one or more images including captured images of objects in a target space, generating metadata including information about mapping between the one or more images and a three-dimensional (3D) mesh model used to generate a virtual reality (VR) image of the target space, and transmitting the one or more images and the metadata to a terminal.

公开(公告)号：US20180014022A1

公开(公告)日：2018-01-11

申请号：US15538853

申请日：2014-12-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dae-sung CHO ,  Chan-yul KIM ,  Jeong-hoon PARK ,  Pil-kyu PARK ,  Kwang-pyo CHOI ,  Dai-woong CHOI ,  Woong-il CHOI

IPC: H04N19/167 ,  H04N19/156 ,  H04N19/61 ,  H04N19/176 ,  H04N19/124 ,  H04N19/13 ,  H04N7/01 ,  H04N19/182

CPC classification number: H04N19/167 ,  H04N7/0127 ,  H04N19/103 ,  H04N19/124 ,  H04N19/13 ,  H04N19/132 ,  H04N19/156 ,  H04N19/169 ,  H04N19/176 ,  H04N19/182 ,  H04N19/436 ,  H04N19/46 ,  H04N19/59 ,  H04N19/61

Abstract: An encoding apparatus for encoding an image includes: a communicator configured to receive, from a device, device information related to the device; and a processor configured to encode the image by using image information of the image and the device information, wherein the processor is further configured to process the image according to at least one of the device information and the image information, determine a non-encoding region, a block-based encoding region, and a pixel-based encoding region of the image according to at least one of the device information and the image information, performs block-based encoding on the block-based encoding region by using a quantization parameter determined according to at least one of the device information and the image information, perform pixel-based encoding on the pixel-based encoding region, generates an encoded image by entropy encoding a symbol determined by the block-based encoding or the pixel-based encoding, and generate a bitstream comprising the encoded image, region information of the block-based encoding region and the pixel-based encoding region, and quantization information of the quantization parameter, and wherein the communicator is further configured to transmit the bitstream to the device.

公开(公告)号：US20170332077A1

公开(公告)日：2017-11-16

申请号：US15524055

申请日：2015-05-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dai-woong CHOI ,  Woong-il CHOI ,  Dong-woo KIM ,  A-rang LEE ,  Jong-seok LEE

IPC: H04N19/124 ,  H04N19/40

Abstract: Provided is a method of determining whether an image is to be re-encoded, the method including obtaining a first quantization matrix from an image file including the image, the image being encoded by quantization based on the first quantization matrix including a plurality of first quantization parameters; obtaining a second quantization matrix from a re-encoding device, the second quantization matrix including a plurality of second quantization parameters and having the same size as the first quantization matrix; determining a comparison coefficient based on elements greater than ‘0’ among elements of a comparison matrix obtained by subtracting the first quantization matrix from the second quantization matrix; and determining that the image is to be decoded by inverse quantization based on the first quantization matrix and the decoded image is to be re-encoded by quantization based on the second quantization matrix, when the comparison coefficient is greater than a first threshold value.

公开(公告)号：US20170318291A1

公开(公告)日：2017-11-02

申请号：US15517357

申请日：2014-12-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dai-woong CHOI ,  Woong-il CHOI ,  Dae-sung CHO

IPC: H04N19/124 ,  H04N19/184 ,  H04N19/625 ,  H04N19/91

Abstract: Provided is a re-encoding method including obtaining a first quantization table from a bitstream including an image encoded using the first quantization table; obtaining a second quantization table based on a pattern representing a size distribution of values of elements of the first quantization table, the second quantization table including elements respectively corresponding to the elements of the first quantization table; and re-encoding a reconstructed image by using the second quantization table, the reconstructed image being obtained by decoding the encoded image by using the first quantization table.