公开(公告)号：US20170127077A1

公开(公告)日：2017-05-04

申请号：US15312420

申请日：2015-05-22

Applicant: HFI INNOVATION INC.

Inventor： Tzu-Der CHUANG ,  Yu-Chen SUN ,  Yi-Wen CHEN ,  Shan LIU

IPC: H04N19/46 ,  H04N19/70 ,  H04N19/186

CPC classification number: H04N19/46 ,  H04N19/103 ,  H04N19/176 ,  H04N19/186 ,  H04N19/463 ,  H04N19/70

Abstract: Methods for palette coding of image and video data to avoid issues associated with zero-size palette or to improve performance by conditionally signaling CU (coding unit)-level escape pixel presence flag are disclosed. In one embodiment, size information related to palette size of a current palette table of the current CU is signaled conditionally based on the escape indication flag, where the escape indication flag indicates whether there is any sample in the current CU coded as an escape pixel. In another embodiment, the CU-level escape pixel presence flag is conditionally signaled according to the current palette size or both of the predicted palette size and the new palette size. Conditionally signaling the palette sharing flag may also be based on the palette sharing flag.

公开(公告)号：US20170041623A1

公开(公告)日：2017-02-09

申请号：US15299939

申请日：2016-10-21

Applicant: HFI Innovation Inc.

Inventor： Jian-Liang LIN ,  Yi-Wen CHEN

IPC: H04N19/176 ,  H04N19/593

CPC classification number: H04N19/176 ,  H04N19/11 ,  H04N19/593 ,  H04N19/597

Abstract: A method and apparatus of Intra coding for a block in a coding system. The method includes receiving input data associated with a current block; determining a current Intra prediction mode for the current block; deriving prediction samples for the current block based on reconstructed neighboring samples according to the current Intra prediction mode, wherein a predicting value representing a single prediction value for the current block is determined based on at least two corner samples corresponding to the current block according to the current Intra prediction mode; and applying encoding or decoding to the input data associated with the current block using the prediction samples derived for the current block.

Abstract translation: 一种对编码系统中的块进行内编码的方法和装置。 该方法包括接收与当前块相关联的输入数据; 确定当前块的当前帧内预测模式; 根据当前帧内预测模式，基于重构的相邻样本导出当前块的预测样本，其中基于根据当前块对应于当前块的至少两个角样本来确定表示当前块的单个预测值的预测值 当前帧内预测模式; 以及使用为当前块导出的预测样本将编码或解码应用于与当前块相关联的输入数据。

公开(公告)号：US20170013276A1

公开(公告)日：2017-01-12

申请号：US15121142

申请日：2015-03-17

Applicant: HFI Innovation Inc.

Inventor： Yi-Wen CHEN ,  Kai ZHANG ,  Jian-Liang LIN ,  Yu-Wen HUANG

IPC: H04N19/597 ,  H04N19/46 ,  H04N19/105 ,  H04N19/174 ,  H04N19/176

CPC classification number: H04N19/597 ,  H04N19/105 ,  H04N19/136 ,  H04N19/174 ,  H04N19/176 ,  H04N19/46

Abstract: A method and apparatus for low-latency illumination compensation in a three-dimensional (3D) and multi-view coding system are disclosed. According to the present invention, the encoder determines whether to enable or disable the illumination compensation for the current picture or slice based on a condition related to statistic associated with a selected reference picture or slice respectively, or related to high-level coding information associated with the current picture or slice respectively. The high-level coding information associated with the current picture or slice excludes any information related to pixel values of the current picture or slice respectively. The illumination compensation is them applied according to the decision made by the encoder. A similar low-latency method is also applied for depth lookup table (DLT) based coding.

Abstract translation: 公开了一种用于三维（3D）和多视图编码系统中的低延迟照明补偿的方法和装置。 根据本发明，编码器基于与所选择的参考图像或切片相关联的统计量相关的条件，或者与与所选择的参考图像相关联的高级编码信息相关联地确定是否启用或禁用当前图片或切片的照明补偿 分别是当前图片或片。 与当前图片或片段相关联的高级编码信息分别排除与当前图片或片段的像素值相关的任何信息。 照明补偿是根据编码器做出的决定而应用的。 类似的低延迟方法也被应用于基于深度查找表（DLT）的编码。

公开(公告)号：US20160330481A1

公开(公告)日：2016-11-10

申请号：US15108878

申请日：2014-12-31

Applicant: HFI INNOVATION INC.

Inventor： Xianguo ZHANG ,  Jian-Liang LIN ,  Kai ZHANG ,  Jicheng AN ,  Han HUANG ,  Yi-Wen CHEN

IPC: H04N19/597 ,  H04N19/117 ,  H04N19/182 ,  H04N19/96 ,  H04N19/172 ,  H04N19/159 ,  H04N19/176

Abstract: A method and apparatus for Intra prediction coding in multi-view video coding, three-dimensional video coding, or screen content video coding are disclosed. A first filtering-disable-flag associated with a high-level video data is determined to indicate whether to disable at least one filter from a filter group. If the first filtering-disable-flag is asserted, one or more selected Intra prediction modes from an Intra prediction mode group is determined, and at least one filter from the filter group for the current block is skipped if the current Intra prediction mode of the current block belongs to the selected Intra prediction modes. The system may further determine a second filtering-disable-flag associated with a low-level video data corresponding to a current block level or a higher level than the current block level to disable said at least one filter from a filter group for the low-level video data.

Abstract translation: 公开了一种用于多视点视频编码，三维视频编码或屏幕内容视频编码中的帧内预测编码的方法和装置。 确定与高级视频数据相关联的第一滤波禁用标志以指示是否从滤波器组禁用至少一个滤波器。 如果第一滤波禁止标志被断言，则确定来自帧内预测模式组的一个或多个所选择的帧内预测模式，并且如果当前帧预测模式的当前帧内预测模式被跳过，则跳过来自当前块的滤波器组的至少一个滤波器 当前块属于所选择的帧内预测模式。 该系统还可以确定与当前块级别相对应的低级视频数据相关联的第二过滤禁用标志或比当前块级别更高的级别，以使所述至少一个过滤器从用于低级别 级视频数据。

公开(公告)号：US20180084276A1

公开(公告)日：2018-03-22

申请号：US15816946

申请日：2017-11-17

Applicant: HFI Innovation Inc.

Inventor： Xianguo ZHANG ,  Kai ZHANG ,  Jian-Liang LIN ,  Jicheng AN ,  Yi-Wen CHEN

IPC: H04N19/593 ,  H04N19/146 ,  H04N19/597

CPC classification number: H04N19/593 ,  H04N19/146 ,  H04N19/597

Abstract: A method and apparatus of depth coding using depth modelling mode 1 (DMM1) are disclosed to reduce the wedgelet pattern table size. In one embodiment, a size-reduced wedgelet pattern for a reduced wedgelet pattern table is generated by excluding at least one non-corner adjacent-edge sample for adjacent-edge partition or at least one opposite-edge sample for opposite-edge partition from starting positions or from ending positions. The reduced wedgelet pattern table may also include at least one omitted wedgelet pattern in at least one wedgelet direction category. For the adjacent-edge partition, the starting positions and the ending positions may correspond to every other even non-corner adjacent-edge samples in a first and a second adjacent edges respectively. For the opposite-edge partition, the starting positions correspond to every other even opposite-edge samples in a first opposite edge and the ending positions include all opposite-edge samples in a second opposite edge.

公开(公告)号：US20170034529A1

公开(公告)日：2017-02-02

申请号：US15303919

申请日：2015-09-25

Applicant: HFI INNOVATION INC

Inventor： Jian-Liang LIN ,  Yi-Wen CHEN

IPC: H04N19/597 ,  H04N19/176 ,  H04N19/184 ,  H04N19/109

CPC classification number: H04N19/597 ,  H04N19/109 ,  H04N19/176 ,  H04N19/184 ,  H04N19/52 ,  H04N19/70 ,  H04N21/816

Abstract: A method and apparatus for 3D (three-dimensional) and multi-view video encoding or decoding of dependent-view texture or depth data using Merge mode with modified list size according to one or more 3D enabling flags are disclosed. An extra-candidate-number indicating one or more extra Merge candidates for the current block is determined according to one or more 3D enabling flags comprising a VSP (view synthesis prediction) flag. A modified list size for a 3D Merge list corresponding to a sum of the extra-candidate-number and an original list size is determined. The 3D Merge list with the modified list size is then determined based on original Merge candidates used to derive the base-view Merge list for video data in a base view and one or more 3D Merge candidates as enabled by the 3D enabling flags according to a priority order.

Abstract translation: 公开了一种根据一个或多个3D使能标志的具有修改的列表大小的合并模式的依赖视图纹理或深度数据的3D（三维）和多视图视频编码或解码的方法和装置。 根据包括VSP（视图合成预测）标志的一个或多个3D使能标志来确定指示当前块的一个或多个额外合并候选的候选候选号。 确定对应于额外候选号码和原始列表大小之和的3D合并列表的修改列表大小。 具有修改的列表大小的3D合并列表然后基于用于导出基础视图中的视频数据的基本视图合并列表的原始合并候选以及由3D使能标志启用的一个或多个3D合并候选来确定 优先顺序。