-
公开(公告)号：US20240357094A1
公开(公告)日：2024-10-24
申请号：US18406193
申请日：2024-01-07
发明人： Anand Meher Kotra , Semih Esenlik , Jianle Chen , Han Gao , Biao Wang , Zhijie Zhao
IPC分类号： H04N19/117 , H04N19/176 , H04N19/186 , H04N19/82 , H04N19/96
CPC分类号： H04N19/117 , H04N19/176 , H04N19/186 , H04N19/82 , H04N19/96
摘要： A method of filtering a sample value of a picture includes, when an integer t is less than k and an integer j is in the range of 1 to m, generating, with an integer i in the range of 1 to k−t−1, a first filtered sample value by applying a first filter to the value of the sample p(i,j), where the first filter is supported by a first set of filter support samples, which does not comprise any samples p(i′,j′) with row index i′ greater than k−t−1, and generating, with i in the range of k−t to k, a second filtered sample value by applying a second filter to the value of the sample p(i,j), the second filter is supported by a second set of filter support samples, which does not comprise any samples p(i′,j′) with row index i′ less than k−t.
-
公开(公告)号：US20240244275A1
公开(公告)日：2024-07-18
申请号：US18402444
申请日：2024-01-02
发明人： Han Gao , Semih Esenlik , Jianle Chen , Anand Meher Kotra , Biao Wang , Zhijie Zhao
IPC分类号： H04N19/96 , H04N19/119 , H04N19/132 , H04N19/176 , H04N19/70
CPC分类号： H04N19/96 , H04N19/119 , H04N19/132 , H04N19/176 , H04N19/70
摘要： The present disclosure relates generally to video coding and picture partitioning methods. In particular, the disclosure is concerned with relations between partition constraint elements, by setting partitioning rules for different picture partitioning methods. The disclosure provides devices and corresponding methods for generating or processing a bitstream including encoded pictures, particularly for setting and including partition constraint element into the bitstream. One of the devices is configured to determine a minimum luma size of a leaf block resulting from quadtree splitting (MinQtSizeY), determine a maximum luma size of a coding block where partitioning using a binary tree splitting is allowed (MaxBtSizeY) based on the MinQtSizeY, and include information for the determined MinQtSizeY into the bitstream.
-
公开(公告)号：US20230353778A1
公开(公告)日：2023-11-02
申请号：US18313202
申请日：2023-05-05
发明人： Semih Esenlik , Anand Meher Kotra , Zhijie Zhao
IPC分类号： H04N19/523 , H04N19/573 , H04N19/139 , H04N19/105 , H04N19/533 , H04N19/56 , H04N19/513 , H04N19/109 , H04N19/577
CPC分类号： H04N19/523 , H04N19/573 , H04N19/139 , H04N19/105 , H04N19/533 , H04N19/56 , H04N19/513 , H04N19/109 , H04N19/577
摘要： The present invention relates to the performance of motion vector refinement in a search space for multi-reference inter-prediction. Two or more reference pictures are selected, one of those used for motion vector refinement. Based on an initial estimate of a motion vector to the reference picture for motion vector refinement, a search space in this reference image is constructed. Using template matching, the first motion vector is refined. The second motion vector to another reference picture is calculated using its initial estimate, the initial estimate of the first motion vector and the refined first motion vector.
-
公开(公告)号：US11800154B2
公开(公告)日：2023-10-24
申请号：US17211638
申请日：2021-03-24
发明人： Anand Meher Kotra , Semih Esenlik , Biao Wang , Han Gao , Zhijie Zhao , Jianle Chen
IPC分类号： H04N19/14 , H04N19/80 , H04N19/86 , H04N19/117 , H04N19/176 , H04N19/182
CPC分类号： H04N19/86 , H04N19/117 , H04N19/14 , H04N19/176 , H04N19/182 , H04N19/80
摘要： An image processing device for use in an image encoder and/or an image decoder, for deblocking a block edge between a first block and a second block of an image encoded with a block code, is provided. The image processing device comprises a filter for filtering the block edge, configured to, for at least some of the pixels to be filtered, within a deblocking range from the block edge, the deblocking range being perpendicular to the block edge, determine a filtered pixel value from an original pixel value of the pixel and at least one further pixel value, determine a clipping value of the pixel, dependent upon a distance of the pixel from the block edge, and clip the filtered pixel value, using the clipping value resulting in a deblocked pixel value.
-
公开(公告)号：US20230319266A1
公开(公告)日：2023-10-05
申请号：US18299070
申请日：2023-04-12
发明人： Biao Wang , Semih Esenlik , Anand Meher Kotra , Han Gao , Jianle Chen , Zhijie Zhao
IPC分类号： H04N19/11 , H04N19/176 , H04N19/436 , H04N19/593 , H04N19/70
CPC分类号： H04N19/11 , H04N19/176 , H04N19/436 , H04N19/593 , H04N19/70
摘要： A decoding method and a decoder for decoding a current block of a video frame is provided, wherein the decoding method comprises determining a list of Most Probable Modes (MPMs) for the current block. When at least one condition is satisfied, the list of MPMs includes a DC mode, a Vertical mode, a Horizontal mode, an intra prediction mode corresponding to a value of the Vertical mode with a first offset, and an intra prediction mode corresponding to the value of the Vertical mode with a second offset. The decoding method further includes obtaining a MPM flag and a MPM index for the current block from a bitstream of the video, and obtaining an intra prediction mode for the current block for reconstructing the current block.
-
公开(公告)号：US11750810B2
公开(公告)日：2023-09-05
申请号：US17876317
申请日：2022-07-28
发明人： Han Gao , Jianle Chen , Semih Esenlik , Zhijie Zhao , Anand Meher Kotra
IPC分类号： H04N19/119 , H04N19/176 , H04N19/192 , H04N19/96
CPC分类号： H04N19/119 , H04N19/176 , H04N19/192 , H04N19/96
摘要： A partitioning method comprises determining whether a current block of a picture is a boundary block and whether the size of the current block is larger than a minimum allowed quadtree leaf node size; and if the current block is the boundary block and the size of the current block is not larger than the minimum allowed quadtree leaf node size (MinQTSize), applying forced binary tree (BT) partitioning to the current block. A method comprises making a determination that a current block of a picture is a boundary block and that a size of the current block is less than or equal to a minimum allowed quadtree (QT) leaf node size (MinQTSize); and applying, in response to the determination, forced binary tree (BT) partitioning to the current block.
-
公开(公告)号：US20230276076A1
公开(公告)日：2023-08-31
申请号：US18313984
申请日：2023-05-08
发明人： Jianle Chen , Anand Meher Kotra , Semih Esenlik , Biao Wang , Han Gao , Zhijie Zhao
IPC分类号： H04N19/86 , H04N19/176 , H04N19/186 , H04N19/82 , H04N19/96
CPC分类号： H04N19/86 , H04N19/176 , H04N19/186 , H04N19/82 , H04N19/96
摘要： A method and image processing device are provided, including a deblocking filter. The deblocking filter modifies values of at most MA samples of the first image block as first filter output values, the at most MA samples being located at a column of the first image block that is perpendicular to and adjacent to the horizontal block edge; and modifies values of at most MB samples of the second image block as second filter output values, the at most MB samples being located at a column of the second image block that is perpendicular to and adjacent to the horizontal block edge. At most a number MA of sample values of the first image block adjacent to the block edge are modified and at most a number MB of sample values of the second image block adjacent to the block edge are modified, wherein MA
-
公开(公告)号：US11683533B2
公开(公告)日：2023-06-20
申请号：US17228306
申请日：2021-04-12
发明人： Jianle Chen , Anand Meher Kotra , Semih Esenlik , Biao Wang , Han Gao , Zhijie Zhao
IPC分类号： H04N19/86 , H04N19/176 , H04N19/186 , H04N19/82 , H04N19/96
CPC分类号： H04N19/86 , H04N19/176 , H04N19/186 , H04N19/82 , H04N19/96
摘要： A method and image processing device are provided, including a deblocking filter. The deblocking filter modifies values of at most MA samples of the first image block as first filter output values, the at most MA samples being obtained from a column of the first image block that is perpendicular to and adjacent to the horizontal block edge; and modifies values of at most MB samples of the second image block as second filter output values, the at most MB samples being obtained from a column of the second image block that is perpendicular to and adjacent to the horizontal block edge. At most a number MA of sample values of the first image block adjacent to the block edge are modified and at most a number MB of sample values of the second image block adjacent to the block edge are modified, wherein MA
-
公开(公告)号：US11671632B2
公开(公告)日：2023-06-06
申请号：US17171262
申请日：2021-02-09
发明人： Kirill Aleksandrovich Malakhov , Hu Chen , Zhijie Zhao , Dmitry Vadimovich Novikov , Marat Ravilevich Gilmutdinov
IPC分类号： H04N19/96 , H04N19/124 , H04N19/176 , H04N19/52 , G06N20/00
CPC分类号： H04N19/96 , G06N20/00 , H04N19/124 , H04N19/176 , H04N19/52
摘要： A method for encoding a video image using coding parameters, adapted on the basis of motion of the video image and of an output of a machine-learning based model, wherein the machine-learning based model is input with samples of a block of the video image and motion information of the samples, and along with texture, wherein the machine-learning model segments the video image into regions based on strength of the motion determined from the motion information. An object is detected within the video based on the motion and the texture, and spatial-time coding parameters are determined based on the strength of the motion, and whether or not the detected objects moves.
-
公开(公告)号：US11490092B2
公开(公告)日：2022-11-01
申请号：US17170122
申请日：2021-02-08
发明人： Zhijie Zhao , Yuntan Fang , Jun Zha , Hu Chen , Jiantong Zhou
IPC分类号： H04N19/176 , H04N19/137 , H04N19/132 , H04N19/167 , H04N7/01 , H04N19/31 , H04N19/33 , H04N5/335
摘要： The present disclosure relates to encoding of video image using coding parameters, which are adapted based on events related to motion within the video image. Image content is captured by a standard image sensor and an event-triggered sensor, providing an event-signal indicating changes (e.g. amount and time-spatial location) of image intensity. Objects are detected within the video image, based on the event signal assessing motion of the object, and their textures extracted. The spatial-time coding parameters of the video image are determined based on the location and strength of the event signal, and the extent to which the detected objects moves.
-
-
-
-
-
-
-
-
-
搜索结果
125 条记录 (耗时 0.029 秒)
