# US 2019/0356898 A1 · Method and apparatus for transmitting stereoscopic video content > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0356898 A1 - Document ID: US20190356898A1 - Status: Published application - Kind: A1 - Application number: 16/477,102 - Filed: 2017-12-14 - Published: 2019-11-21 - Earliest claimed: 2017-01-10 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Byeong-Doo CHOI - Web page: https://patentgrep.com/patent/US20190356898A1 ## CPC - H04N 13/178: Metadata, e.g. disparity information - H04W 4/70: Services for machine-to-machine communication [M2M] or machine type communication [MTC] - H04L 67/131: Protocols for games, networked simulations or virtual reality - H04N 13/139: Format conversion, e.g. of frame-rate or size - H04N 13/161: Encoding, multiplexing or demultiplexing different image signal components (for multi-view video sequence encoding H04N19/597) - H04N 13/194: Transmission of image signals - H04N 13/232: using fly-eye lenses, e.g. arrangements of circular lenses - H04N 13/243: using three or more two-dimensional [2D] image sensors - H04N 13/282: for generating image signals corresponding to three or more geometrical viewpoints, e.g. multi-view systems - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A method for transmitting stereoscopic video content according to the present disclosure comprises the steps of: generating, on the basis of data of a stereoscopic video which includes a plurality of omnidirectional videos having parallax, a first frame comprising a plurality of first views projected from the plurality of omnidirectional videos; generating a second frame comprising a plurality of second views by packing, on the basis of region-wise packing information, a plurality of first regions included in the plurality of first views; and transmitting data on the generated second frame, wherein the plurality of second views include a plurality of second regions corresponding to the plurality of first regions, and the region-wise packing information includes information on shape, orientation, or transformation for each of the plurality of second regions. ## Claims ### Claim 1 A method for transmitting stereoscopic video content, comprising: generating, on the basis of data of a stereoscopic video which includes a plurality of omnidirectional videos having parallax, a first frame comprising a plurality of first views projected from the plurality of omnidirectional videos; generating a second frame comprising a plurality of second views by packing, on the basis of region-wise packing information, a plurality of first regions included in the plurality of first views; and transmitting data on the generated second frame, wherein the plurality of second views include a plurality of second regions corresponding to the plurality of first regions, and the region-wise packing information includes information on shape, orientation, or transformation for each of the plurality of second regions. ### Claim 2 (depends on 1) The method of claim 1, wherein the region-wise packing information further includes information indicating whether the stereoscopic video has a left/right stereoscopic 360 format or a top/bottom stereoscopic 360 format. ### Claim 3 (depends on 1) The method of claim 1, wherein the region-wise packing information further includes a stereoscopic packing type indicating one of non-region-wise packing, separate and independent packing, separate and mirroring packing, mixed and independent packing, and mixed and pair-wise packing. ### Claim 4 (depends on 1) The method of claim 1, wherein the information on the shape of each of the plurality of second regions indicates one of a plurality of shapes as the shape of each of the plurality of second regions, and the plurality of shapes include a trapezoid. ### Claim 5 (depends on 1) The method of claim 1, further comprising: generating one omnidirectional video among the plurality of omnidirectional videos on the basis of an image obtained by a plurality of fisheye lenses, wherein information on the one omnidirectional video includes information indicating the number of divided regions obtained by dividing the image obtained by each of the plurality of fisheye lenses according to a specific angle with respect to the center; information indicating a region corresponding to a field of view (FOV) in each of the divided regions; and information indicating a region overlapped with an image obtained by another fisheye lens in each of the divided regions. ### Claim 6 (depends on 1) The method of claim 1, wherein each of the plurality of first views is a spherical projection image, an equirectangular projection image (ERP image), or a regular polyhedron projection image, and the regular polyhedron projection image is a tetrahedron projection image, a cube projection image, a regular octahedron projection image, a regular dodecahedron projection image, or a regular icosahedron projection image. ### Claim 7 (depends on 1) The method of claim 1, wherein the region-wise packing information further includes position information and size information of the plurality of first regions and position information and size information of the plurality of second regions. ### Claim 8 (depends on 3) The method of claim 3, wherein, when the stereoscopic packing type indicates the non-region-wise packing, the position information and size information of each of the plurality of first regions are identical to the position information and size information of the corresponding second region among the plurality of second regions, when the stereoscopic packing type indicates the separate and independent packing, the plurality of second views are separated and packed independently, when the stereoscopic packing type indicates the separate and mirroring packing, the plurality of second views are separated and packed in an identical manner, when the stereoscopic packing type indicates the mixed and independent packing, the plurality of second views are mixed with each other and packed independently, and when the stereoscopic packing type indicates the mixed and pair-wise packing, the plurality of second views are mixed with each other, paired, and packed. ### Claim 9 (depends on 1) The method of claim 1, wherein the plurality of first views are cube projected images including front, rear, left, right, top, and bottom faces, the plurality of second regions correspond to the front, rear, left, right, top, and bottom faces, respectively, each of the regions corresponding to the left, right, top, and bottom faces among the plurality of second regions has a trapezoidal shape, and the size of the region corresponding to the front face among the plurality of second regions is larger than the size of the region corresponding to the rear face. ### Claim 10 An apparatus for transmitting stereoscopic video content, comprising: a memory; a transceiver; and at least one processor configured to be connected to the memory and the transceiver, wherein the at least one processor is configured to generate, on the basis of data of a stereoscopic video which includes a plurality of omnidirectional videos having parallax, a first frame comprising a plurality of first views projected from the plurality of omnidirectional videos, to generate a second frame comprising a plurality of second views by packing, on the basis of region-wise packing information, a plurality of first regions included in the plurality of first views, and to transmit data on the generated second frame, the plurality of second views include a plurality of second regions corresponding to the plurality of first regions, and the region-wise packing information includes information on shape, orientation, or transformation for each of the plurality of second regions. ### Claim 11 (depends on 10) The apparatus of claim 10, wherein the region-wise packing information further includes information indicating whether the stereoscopic video has a left/right stereoscopic 360 format or a top/bottom stereoscopic 360 format. ### Claim 12 (depends on 10) The apparatus of claim 10, wherein the region-wise packing information further includes a stereoscopic packing type indicating one of non-region-wise packing, separate and independent packing, separate and mirroring packing, mixed and independent packing, and mixed and pair-wise packing. ### Claim 13 (depends on 10) The apparatus of claim 10, wherein the information on the shape of each of the plurality of second regions indicates one of a plurality of shapes as the shape of each of the plurality of second regions, and the plurality of shapes include a trapezoid. ### Claim 14 (depends on 10) The apparatus of claim 10, wherein the at least one processor is configured to generate one omnidirectional video among the plurality of omnidirectional videos on the basis of an image obtained by a plurality of fisheye lenses, and information on the one omnidirectional video includes: information indicating the number of divided regions obtained by dividing the image obtained by each of the plurality of fisheye lenses according to a specific angle with respect to the center; information indicating a region corresponding to a field of view (FOV) in each of the divided regions; and information indicating a region overlapped with an image obtained by another fisheye lens in each of the divided regions. ### Claim 15 (depends on 10) The apparatus of claim 10, wherein each of the plurality of first views is a spherical projection image, an equirectangular projection image (ERP image), or a regular polyhedron projection image, and the regular polyhedron projection image is a tetrahedron projection image, a cube projection image, a regular octahedron projection image, a regular dodecahedron projection image, or a regular icosahedron projection image.