Samsung Electronics Co., Ltd.

Korea University Research and Business Foundation

Kwangwoon University Industry-academic Collaboration Foundation

Byeong-Doo Choi

Min-woo Park

Jin-young Lee

Yong-jin Cho

Ho-cheon Wey

Eric Yip

Jae-won Yoon

Chan-yul Kim

Tammy Lee

Jae-Yeon Song

Hyun-Koo Yang

Kyung-Mo Park

Young-Wan So

Jae-Hyeon Bae

Ji-hwan Woo

Jeong-Hoon Park

Jae-Eun Kang

Jae-yun Jeong

Jae-kyeong Lee

Jae-Hyun Kim

Sung-Tae Kim

Sung-Ho Lee

Dong-Gyu Sim

Jin-Young Lee

Sung-Jea Ko

Dong-Wook Kwon

Min-Woo Park

Young-O Park

Woong Lim

Hyun-ho Jo

Il-Koo Kim

Jae-Yun Jeong

Myoung-jin Eom

Ji-Hwan Woo

Jae-Kyeong Lee

Ho-Cheon Wey

A method, performed by a device, of processing an image, may include obtaining a circular image generated by photographing a target space through a fisheye lens; generating metadata including lens shading compensation information for correcting color information of the obtained circular image; and transmitting the obtained circular image and the metadata to a terminal.

Method, apparatus, and recording medium for processing image

A communication technique for merging, with an IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system is provided. The communication technique can be applied to an intelligent service (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, and security and safety-related services, and the like) on the basis of a 5G communication technology and an IoT-related technology. A method for processing a 360-degree image is provided. The method includes determining a three-dimensional (3D) model for mapping a 360-degree image; determining a partition size for the 360-degree image; determining a rotational angle for each of the x, y, and z axes of the 360-degree image; determining an interpolation method to be applied when mapping the 360-degree image to a two-dimensional (2D) image; and converting the 360-degree image into the 2D image.

Method and apparatus for processing 360-degree image

A method for providing a multimedia service based on unicast, according to the present invention, comprises the steps of: packetizing multimedia data; when a terminal accesses the multimedia service, determining a mode for transmitting the multimedia data to the terminal; generating a signaling message including information on the determined mode, and transmitting the signaling message to the terminal; and transmitting first data among the packetized multimedia data to the terminal on the basis of the determined mode.

Method and apparatus for providing unicast-based multimedia service

The present invention relates to a technology for a sensor network, machine to machine (M2M) communication, machine type communication (MTC), and the Internet of things (IoT). The present invention can be utilized for intelligent services (smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security and safety-related services, and the like) based on the technology. The present invention relates to an efficient image processing method and device for virtual reality content, and according to one embodiment of the present invention, the image processing method for projecting an image of virtual reality content comprises the steps of: acquiring a first planar image projected by dividing a front part and a rear part of a spherical image for expressing a 360-degree image; generating a second planar image projected by sampling the first planar image on the basis of a pixel position; and encoding the second planar image.

Image processing method and device for projecting image of virtual reality content

Disclosed is a method by which a multimedia device processes a multimedia packet. To this end, a multimedia packet, which comprises a header including a type information field having type information recorded therein, and a payload including data of a type indicated by the type information, is received, and, when it is recognized that null data is not included in the payload by the type information, the data included in the payload may be processed.

Method and apparatus for transmitting/receiving packet in multimedia system

The present disclosure relates to a method for transmitting metadata of an omnidirectional image by a transmission apparatus, the method comprising the steps of: projecting an omnidirectional image into a planar image based on a 3-dimensional (3D) geometry corresponding to the omnidirectional image; and transmitting metadata including type information of the 3D geometry, information for a region on the projected planar image, and information for an area on the omnidirectional image which is mapped to the region.

Method for transmitting and receiving metadata of omnidirectional image

Method and apparatus for providing unicast based multimedia service

A method for transmitting media data according to an embodiment of the present disclosure comprises receiving meta data, converting the meta data into a predetermined format corresponding to a bit stream for media data, incorporating the converted meta data into the bit stream, and transmitting the bit stream incorporating the meta data.

Method and apparatus for transmission and reception of multimedia data

Disclosed is a technology for a sensor network, Machine to Machine (M2M) communication, Machine Type Communication (MTC), and Internet of Things (IoT). The present disclosure can be used for intelligent services based on the technology (services related to smart home, smart building, smart city, smart car, connected car, health care, digital education, retail business, security, and safety). A method of reproducing content by a virtual reality device is provided. The method includes transmitting parameters related to functions of a user device; receiving interest metadata related to content that matches a set of the transmitted parameters; receiving and decoding the content corresponding to a version that matches the set of transmitted parameters in a unit of at least one tile corresponding to a view area to be displayed in accordance with a user's viewpoint based on the interest metadata; and rendering the decoded tile based on the interest metadata.

Method and apparatus for transmitting and reproducing content in virtual reality system

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.

Method and apparatus for transmitting stereoscopic video content

Provided is a multilayer video decoding method including obtaining a multilayer video bitstream; determining, based on the obtained multilayer video bitstream, whether or not a default reference type, in which at least one layer is inter-layer predicted by using at least one reference layer by default, is used; and inter-layer predicting the at least one layer by using the at least one reference layer according to the default reference type, based on the determining of whether or not the default reference type is used, and decoding an image including the at least one layer.

Method and apparatus for encoding multilayer video and method and apparatus for decoding multilayer video

Provided is a method for displaying a 3-dimensional (3D) image by a device. The method comprises the steps of: transmitting information on a viewport of the device to a server; receiving data about at least one second region corresponding to the viewport among a plurality of regions of a packed 2D image from the server; and displaying the 3D image based on the received data, wherein the packed 2D image is generated by modifying or rearranging at least a part of a plurality of regions of a 2D image projected from the 3D image, and wherein the at least one second region is identified based on an index of each of at least one first region corresponding to the viewport among the plurality of regions of the 3D image and information on a relationship between an index of each of the plurality of regions of the 3D image and an index of each of the plurality of regions of the packed 2D image.

Method for transmitting data relating to three-dimensional image

Provided is a method for transmitting data about an omnidirectional image by a server. The method comprises the steps of: receiving, from a terminal, information about a viewport of the terminal; selecting, on the basis of information about the viewport and the respective qualities of a plurality of tracks associated with the omnidirectional image, at least one track among the plurality of tracks; and transmitting data about the selected at least one track to the terminal.

Method for transmitting data about three-dimensional image

Growing community of inventors

Suwon-si, South Korea

Byeong-Doo Choi