Huawei Technologies Co., Limited

Fabian Jaeger

Mathias Wien

Jacek Konieczny

Jiali Fu

Mingyuan Yang

Embodiments of the invention relates to an apparatus for associating a video block partitioning pattern to a video coding block, wherein the apparatus comprises: an obtainer adapted to obtain values of a set of segmentation mask samples, wherein each segmentation sample of the set of segmentation mask samples represents a different position in a segmentation mask adapted to define video coding block partitions of the video coding block; a selector adapted to select a video block partitioning pattern from a predetermined group of video block partitioning patterns based on the values of segmentation mask samples of the set of segmentation mask samples; and

Apparatus and a method for associating a video block partitioning pattern to a video coding block

The invention relates to an apparatus for decoding an encoded texture block of a texture image, the decoding apparatus comprising: a partitioner () adapted to determine a partitioning mask () for the encoded texture block (') based on depth information () associated to the encoded texture block, wherein the partitioning mask () is adapted to define a plurality of partitions (P, P) and to associate a texture block element of the encoded texture block to a partition of the plurality of partitions of the encoded texture block; and a decoder () adapted to decode the partitions of the plurality of partitions of the encoded texture block based on the partitioning mask.

Method and apparatus for encoding and decoding a texture block using depth based block partitioning

A method and apparatus for encoding and decoding a texture block using depth based block partitioning, which includes an apparatus for decoding an encoded texture block of a texture image, and a partitioner, determines a partitioning mask for the encoded texture block based on depth information associated to the encoded texture block, and the partitioning mask defines a plurality of partitions and to associate a texture block element of the encoded texture block to a partition of the plurality of partitions of the encoded texture block, and a decoder decode the partitions of the plurality of partitions of the encoded texture block based on the partitioning mask.

The invention relates to a method () for coding a depth lookup table, DLT, (), the depth lookup table comprising depth value information of at least a part of a 3D picture, the method () comprising: selecting () a reference depth lookup table (); determining () a difference depth lookup table () based on a comparison between depth value information of the depth lookup table to be coded () and depth value information of the reference depth lookup table (); and coding () depth value information of the difference depth lookup table () according to a predetermined coding rule.

Method for coding a depth lookup table

The invention relates to a method () for sub-range based coding a depth lookup table (), the depth lookup table comprising depth values of a 3D video sequence, the depth values being constrained within a range (), the method comprising: partitioning () the range () into a plurality of sub-ranges, a first sub-range () comprising a first set of the depth values and a second sub-range () comprising a second set of the depth values; and coding () the depth values of each of the sub-ranges of the depth lookup table () separately according to a predetermined coding rule.

Method for sub-range based coding a depth lookup table

The disclosure relates to an apparatus for coding a bit stream representing a three-dimensional video comprising a sequence of views, wherein a depth map is associated to each view, the depth map comprising depth information of the view with respect to a position to the camera capturing the view, the apparatus comprising: a partitioner for partitioning the depth map into coding units; a determiner for determining a type of model function for each coding unit based on the depth information of the coding unit; a reducer for reducing the coding unit to a single residual value for each segment generated by model function; and a signaler for signaling the model function used and the residual value into the bitstream.

Apparatus for coding a bit stream representing a three-dimensional video

A depth image filtering method, and a filtering threshold obtaining method and apparatus are provided. The method in the embodiments of the present invention includes: determining, for each pixel in an adjacent area of a pixel of a to-be-filtered depth image, whether the pixel meets a preset condition; determining a set of pixels meeting the preset condition; and determining a pixel value of the pixel of the to-be-filtered depth image according to pixel values of the pixels in the set. According to the embodiments of the present invention, a ringing effect at an edge of a depth image is effectively removed, and discontinuity of the depth image is reduced, thereby improving quality of a video image.

Depth image filtering method, and depth image filtering threshold obtaining method and apparatus

Embodiments of the present invention provide multi-view video coding and coding methods and corresponding apparatuses. The multi-view video coding method includes: minimizing an error between a currently coded view image and a warped view image of a front view image to obtain an optimal warping offset; calculating disparity information between the front view image and the currently coded view image by using the optimal warping offset, a camera parameter of a view, and depth image information of the front view image; and calculating the warped view image of the front view image by using the disparity information and the front view image, and predicting a current view image by using the warped view image as a prediction signal.

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Aachen, Germany

Fabian Jaeger