公开(公告)号：US20190182503A1

公开(公告)日：2019-06-13

申请号：US16218484

申请日：2018-12-13

Applicant: Industrial Technology Research Institute

Inventor： Yi-Ting Tsai ,  Ching-Chieh Lin ,  Chun-Lung Lin

IPC: H04N19/513

Abstract: A method and an image processing apparatus for video coding are proposed. The method is applicable to an image processing apparatus and includes the following steps. A current coding unit is received, and the number of control points of a current coding unit is set, where the number of control points is greater than or equal to 3. At least one affine model is generated based on the number of control points, and an affine motion vector corresponding to each of the at least one affine model is computed. A motion vector predictor of the current coding unit is computed based on the at least one motion vector so as to accordingly perform inter-prediction coding on the current coding unit.

公开(公告)号：US20200294270A1

公开(公告)日：2020-09-17

申请号：US16699114

申请日：2019-11-29

Applicant: Industrial Technology Research Institute

Inventor： Sheng-Po Wang ,  Erh-Chung Ke ,  Yi-Ting Tsai ,  Chun-Lung Lin ,  Ching-Chieh Lin

IPC: G06T9/00 ,  G06T11/00

Abstract: A patch extension method, an encoder and a decoder are provided. The method includes: obtaining a point cloud including a plurality of points; obtaining a first patch according to the point cloud, wherein the first patch is a subset of the point cloud; for at least one sampling point in the first patch, obtaining at least one neighboring point in the point cloud less than a first threshold away from the sampling point; and adding the neighboring point to the first patch.

公开(公告)号：US20200013235A1

公开(公告)日：2020-01-09

申请号：US16502036

申请日：2019-07-03

Applicant: Industrial Technology Research Institute

Inventor： Yi-Ting Tsai ,  Chun-Lung Lin ,  Ching-Chieh Lin

IPC: G06T19/20 ,  G06T7/73 ,  G06K9/62

Abstract: A method and an apparatus for processing patches of a point cloud are provided. The apparatus includes an input/output (I/O) device, a storage device, and a processor. The I/O device is used to receive a bit stream of the point cloud. The storage device is configured to store an index table recording indexes corresponding to a plurality of orientations. The processor is coupled to the I/O device and the storage device and is configured to execute a program to demultiplex the bit stream of the point cloud into a patch image and indexes corresponding to a plurality of patches in the patch image, look up the index table obtain an orientation of each patch, transform the patch image according to the orientation to recover the plurality of patches of the point cloud, and reconstruct the point cloud by using the recovered patches.

公开(公告)号：US20210319592A1

公开(公告)日：2021-10-14

申请号：US17120267

申请日：2020-12-14

Applicant: Industrial Technology Research Institute

Inventor： Yi-Ting Tsai ,  Ching-Chieh Lin ,  Chun-Lung Lin

IPC: G06T9/00 ,  G06T17/20

Abstract: An electronic device and a method for encoding and decoding a point cloud are provided. The decoding method includes: encoded image data and syntax are received; the encoded image data is decoded to obtain image data, and a raw patch is obtained from the image data; and a residual point cloud in the point cloud is reconstructed according to the raw patch and the syntax.