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1. 发明申请

US20190230384A1 IMAGE ENCODING METHOD AND APPARATUS USING ARTIFACT REDUCTION FILTER, AND IMAGE DECODING METHOD AND APPARATUS USING ARTIFACT REDUCTION FILTER 审中-公开
公开(公告)号：US20190230384A1
公开(公告)日：2019-07-25
申请号：US16105616
申请日：2018-08-20
申请人： SAMSUNG ELECTRONICS CO., LTD. , INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
发明人： Sun-il LEE , Sangyoun LEE , Sanghoon LEE , Dosik HWANG , Changhyun PARK , Sewoong AHN , Jinseong JANG , Chan-yul KIM , Taeoh KIM , Taejoon EO , Jongyoo KIM
IPC分类号： H04N19/86 , H04N19/172 , H04N19/136 , H04N19/186
摘要： Provided is an image encoding method including generating a first picture reconstructed by using a residual picture and a predicted picture; generating a second picture by applying a first artifact reduction filter to the first picture; determining a picture having a smaller bit-rate distortion cost from among the first and second pictures by comparing a first bit-rate distortion cost of the first picture with a second bit-rate distortion cost of the second picture; generating a third picture by applying an in-loop filter to the determined picture; generating a fourth picture by applying a second artifact reduction filter to the third picture; determining a picture having smaller distortion from among the third and fourth pictures by comparing first distortion of the third picture with second distortion of the fourth picture; and generating, via a processor, a bitstream including information about whether the second artifact reduction filter is applied.

2. 发明申请

US20190058893A1 METHOD AND APPARATUS FOR ENCODING IMAGE BY USING ATYPICAL SPLIT, AND METHOD AND APPARATUS FOR DECODING IMAGE BY USING ATYPICAL SPLIT 审中-公开
公开(公告)号：US20190058893A1
公开(公告)日：2019-02-21
申请号：US16007375
申请日：2018-06-13
申请人： SAMSUNG ELECTRONICS CO., LTD. , INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
发明人： Sun-il LEE , Won Woo RO , Kyungah KIM , Minsik KIM , Chan-yul KIM
IPC分类号： H04N19/436 , H04N19/44 , H04N19/172 , H04N19/46
CPC分类号： H04N19/436 , H04N19/119 , H04N19/14 , H04N19/172 , H04N19/176 , H04N19/44 , H04N19/46
摘要： Provided is an image encoding method including extracting feature points from a picture; generating at least two clusters by performing feature point clustering on the extracted feature points; determining at least two split sections in the picture, the at least two split sections respectively corresponding to the at least two clusters; parallel-encoding the at least two split sections; and generating a bitstream including information about the at least two split sections. A size and a shape of each of the at least two split sections may be individually determined.

3. 发明申请

US20170272778A9 IMAGE ENCODING AND DECODING METHODS FOR PRESERVING FILM GRAIN NOISE, AND IMAGE ENCODING AND DECODING APPARATUSES FOR PRESERVING FILM GRAIN NOISE 审中-公开
公开(公告)号：US20170272778A9
公开(公告)日：2017-09-21
申请号：US14590141
申请日：2015-01-06
申请人： SAMSUNG ELECTRONICS CO., LTD. , INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
发明人： Seung-soo JEONG , Sang-youn LEE , Seong-wan KIM , Jae-ho LEE , Chan-yul KIM , Ho-cheon WEY
IPC分类号： H04N19/67 , H04N19/154 , H04N19/17 , H04N19/124
CPC分类号： H04N19/67 , H04N19/124 , H04N19/154 , H04N19/17
摘要： An image encoding method and an image decoding method, and an image encoder and an image decoder, are provided. The image encoding method includes detecting a static region and a motion region of an image, calculating an encoding error in the image, calculating a film grain noise (FGN) error in the motion region, and encoding the image to reduce an encoding error in the image other than the FGN error.

4. 发明申请

US20150195575A1 IMAGE ENCODING AND DECODING METHODS FOR PRESERVING FILM GRAIN NOISE, AND IMAGE ENCODING AND DECODING APPARATUSES FOR PRESERVING FILM GRAIN NOISE 审中-公开
标题翻译：用于保存薄膜噪声的图像编码和解码方法，以及用于保存薄膜噪声的图像编码和解码装置
公开(公告)号：US20150195575A1
公开(公告)日：2015-07-09
申请号：US14590141
申请日：2015-01-06
申请人： SAMSUNG ELECTRONICS CO., LTD. , INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
发明人： Seung-soo JEONG , Sang-youn LEE , Seong-wan KIM , Jae-ho LEE , Chan-yul KIM , Ho-cheon WEY
IPC分类号： H04N19/67 , H04N19/154 , H04N19/17 , H04N19/124
CPC分类号： H04N19/67 , H04N19/124 , H04N19/154 , H04N19/17
摘要： An image encoding method and an image decoding method, and an image encoder and an image decoder, are provided. The image encoding method includes detecting a static region and a motion region of an image, calculating an encoding error in the image, calculating a film grain noise (FGN) error in the motion region, and encoding the image to reduce an encoding error in the image other than the FGN error.
摘要翻译：提供图像编码方法和图像解码方法以及图像编码器和图像解码器。图像编码方法包括检测图像的静态区域和运动区域，计算图像中的编码误差，计算运动区域中的胶片颗粒噪声（FGN）误差，并对图像进行编码以减少图像编码误差图像除了FGN错误。

5. 发明申请

US20150195565A1 VIDEO ENCODING AND DECODING METHODS BASED ON SCALE AND ANGLE VARIATION INFORMATION, AND VIDEO ENCODING AND DECODING APPARATUSES FOR PERFORMING THE METHODS 有权
标题翻译：基于规模和角度变化信息的视频编码和解码方法，以及用于执行方法的视频编码和解码设备
公开(公告)号：US20150195565A1
公开(公告)日：2015-07-09
申请号：US14591417
申请日：2015-01-07
申请人： SAMSUNG ELECTRONICS CO., LTD. , Industry-Academic Cooperation Foundation, Yonsei University
发明人： Seung-soo JEONG , Won-woo RO , Ho-cheon WEY , Kyung-ah KIM , Deok-ho KIM , Min-woo KIM , Chan-yul KIM
IPC分类号： H04N19/59 , H04N19/176 , H04N19/167 , H04N19/44 , H04N19/593
CPC分类号： H04N19/567 , H04N19/51 , H04N19/52 , H04N19/537
摘要： A video encoding and decoding methods and apparatuses for performing the methods thereof are provided. The video encoding method includes: determining a region in a current image having a change in at least one of a scale and an angle with respect to a reference image; generating variation information representing a variation in at least one of the scale and the angle between the region in the current image and a reference region in the reference image corresponding to the region in the current image; and encoding residual information representing a difference between a predicted sample value from the reference image and a sample value of the current image based on the generated variation information.
摘要翻译：提供了用于执行其方法的视频编码和解码方法和装置。视频编码方法包括：确定当前图像中相对于参考图像具有比例尺和角度中的至少一个的变化的区域; 生成表示当前图像中的区域与对应于当前图像中的区域的参考图像中的参考区域之间的刻度和角度中的至少一个的变化的变化信息; 以及基于所生成的变化信息来编码表示来自参考图像的预测样本值与当前图像的样本值之间的差的残差信息。

6. 发明申请

US20180359469A1 VIDEO ENCODING METHOD AND APPARATUS, AND VIDEO DECODING METHOD AND APPARATUS 审中-公开
公开(公告)号：US20180359469A1
公开(公告)日：2018-12-13
申请号：US15778681
申请日：2016-11-22
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Kwang-hyun WON , Chan-yul KIM , Sun-il LEE , Ki-ho CHOI
IPC分类号： H04N19/105 , H04N19/513 , H04N19/159 , H04N19/44 , H04N19/176
摘要： Provided are methods and apparatuses for encoding and decoding a coding unit of a picture outline. An image decoding method includes obtaining a prediction mode and prediction information of a current block included in a current image, from a bitstream; reconstructing the current block based on at least one of the prediction mode and the prediction information of the current block; when the prediction mode of the current block is a first prediction mode, obtaining a prediction candidate related to a second prediction mode by performing prediction according to the second prediction mode based on the reconstructed current block; and reconstructing an adjacent block reconstructed after the current block by using the prediction candidate related to the second prediction mode.

7. 发明申请

US20180220159A1 ENCODING DEVICE, DECODING DEVICE, AND ENCODING METHOD AND DECODING METHOD THEREOF 审中-公开
公开(公告)号：US20180220159A1
公开(公告)日：2018-08-02
申请号：US15744597
申请日：2016-08-01
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Kwang-hyun WON , Chan-yul KIM , Sun-il LEE
IPC分类号： H04N19/625 , H04N19/176 , H04N19/182 , H04N19/44 , H04N19/80 , H04N19/159 , H04N19/70 , H04N19/593 , H04N19/146
CPC分类号： H04N19/625 , H04N19/146 , H04N19/159 , H04N19/176 , H04N19/182 , H04N19/44 , H04N19/463 , H04N19/48 , H04N19/593 , H04N19/61 , H04N19/70 , H04N19/80 , H04N19/91
摘要： coefficient blocks in which the sign is assigned to the non-zero transform coefficients according to the generated plurality of groups of code candidates;a cost calculation unit for calculating a cost on the basis of a pixel value difference between pixel values of a plurality of pixels selected from among the generated candidate reconstruction blocks and pixel values of other pixels adjacent to the selected plurality of pixels; and a decoding unit for allocating predetermined different codewords to each of the plurality of code candidates based on the calculated cost, and determining a code of the non-zero transform coefficients of the selected plurality of pixels according to a candidate group to which a codeword corresponding to the parsed codeword is allocated. An encoding apparatus encoding a bitstream including an image frame is disclosed. The encoding apparatus comprises a selection unit for selecting a plurality of pixels including non-zero transform coefficients in a transform coefficient block constituting an image frame, an inverse transform unit for generating a plurality of groups of code candidates including combinations of codes assignable to the non-zero transform coefficients of the selected plurality of pixels and generating candidate reconstruction blocks by performing an inverse transform on each of the transform coefficient blocks in which the sign is assigned to the non-zero transform coefficients according to the generated plurality of groups of code candidates, a cost calculation unit for calculating a cost on the basis of a pixel value difference between pixel values of a plurality of pixels selected from among the generated candidate reconstruction blocks and pixel values of other pixels adjacent to the selected plurality of pixels and an encoding unit for assigning different predetermined codewords to a plurality of groups of code candidates on the basis of the calculated cost and encoding one codeword of the codewords into encoding information of non-zero transform coefficients of the selected plurality of pixels.

8. 发明申请

US20170105001A1 IMAGE CODING METHOD AND DEVICE FOR BUFFER MANAGEMENT OF DECODER, AND IMAGE DECODING METHOD AND DEVICE 审中-公开
公开(公告)号：US20170105001A1
公开(公告)日：2017-04-13
申请号：US15386625
申请日：2016-12-21
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Young-o PARK , Chan-yul KIM , Kwang-pyo CHOI , Jeong-hoon PARK
IPC分类号： H04N19/156 , H04N19/70 , H04N19/105 , H04N19/196 , H04N19/172 , H04N19/44 , H04N19/423
CPC分类号： H04N19/152 , H04N19/44 , H04N19/70
摘要： Provided are methods and apparatuses for encoding and decoding an image. The method of encoding includes: determining a maximum size of a buffer to decode each image frame by a decoder, a number of image frames to be reordered, and latency information of an image frame having a largest difference between an encoding order and a display order from among image frames that form an image sequence, based on an encoding order the image frames that form the image sequence, an encoding order of reference frames referred to by the image frames, a display order of the image frames, and a display order of the reference frames; and adding, to a mandatory sequence parameter set, a first syntax indicating the maximum size of the buffer, a second syntax indicating the number of image frames to be reordered, and a third syntax indicating the latency information.

9. 发明申请

US20170048583A1 VIDEO PROCESSING DEVICE AND METHOD 审中-公开
标题翻译：视频处理设备和方法
公开(公告)号：US20170048583A1
公开(公告)日：2017-02-16
申请号：US15306902
申请日：2015-05-01
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Ho-cheon WEY , Joon-hyun LEE , Chan-yul KIM , Jeong-hoon PARK , Sun-il LEE , Kwang-pyo CHOI
IPC分类号： H04N21/4627 , H04N21/4408 , H04N21/435 , H04N21/6334 , H04N21/84
摘要： Provided is a video processing device and method capable of enhancing security of content included in a video, the video processing device including: a loader configured to load an original video; an encoder configured to generate an encoded video including a header and a payload by encoding the loaded original video; and a security information inserter configured to insert security information comprising information about a reproduction right of the video into the header or the payload.
摘要翻译：提供一种视频处理装置和方法，其能够增强包括在视频中的内容的安全性，所述视频处理装置包括：加载器，被配置为加载原始视频; 配置为通过对所加载的原始视频进行编码来生成包括头部和有效载荷的编码视频的编码器; 以及安全信息插入器，被配置为将包括关于视频的再现权限的信息的安全信息插入到报头或有效载荷中。

10. 发明申请

US20160330459A1 METHOD FOR ENCODING VIDEO AND APPARATUS THEREFOR, AND METHOD FOR DECODING VIDEO AND APPARATUS THEREFOR USING EFFECTIVE PARAMETER DELIVERY 审中-公开
标题翻译：用于编码视频及其装置的方法，以及使用有效参数传递来解码视频和装置的方法
公开(公告)号：US20160330459A1
公开(公告)日：2016-11-10
申请号：US15109728
申请日：2015-01-05
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Byeong-doo CHOI , Chan-yul KIM , Min-woo PARK , Jin-young LEE , Yong-jin CHO
IPC分类号： H04N19/169 , H04N19/186
CPC分类号： H04N19/188 , H04N19/186 , H04N19/187 , H04N19/30 , H04N19/597 , H04N19/70
摘要： Provided is a multilayer video decoding method. The multilayer video decoding method may include: acquiring a network abstraction layer (NAL) unit from a bitstream of an encoded image; acquiring layer information, which is commonly used to decode base layer encoded data and enhancement layer encoded data, from a parameter included in the NAL unit; and reconstructing the multilayer image by decoding the base layer encoded data and the enhancement layer encoded data by using the layer information, wherein the parameter uses two or more bits to represent any one of information about a profile, tier, and level of layers constituting the multilayer, information about a phase alignment mode of a luma sample grid between layers constituting the multilayer, information about a picture type alignment mode between layers constituting the multilayer, and information specifying a layer set to be decoded.
摘要翻译：提供了一种多层视频解码方法。多层视频解码方法可以包括：从编码图像的比特流中获取网络抽象层（NAL）单元; 从包括在NAL单元中的参数获取通常用于解码基本层编码数据和增强层编码数据的层信息; 以及通过使用所述层信息对所述基层编码数据和所述增强层编码数据进行解码来重构所述多层图像，其中，所述参数使用两个或多个位来表示关于构成所述层的信息的轮廓，层和层的信息中的任何一个多层，关于构成多层的层之间的亮度样本网格的相位对准模式的信息，关于构成多层的层之间的图像类型对准模式的信息，以及指定要解码的层集合的信息。

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