Abstract: Disclosed herein is an immersive video processing method. The immersive video processing method includes: determining a priority order of pruning for source videos; extracting patches from the source videos based on the priority order of pruning; generating at least one atlas based on the extracted patches; and encoding metadata. Herein, a first flag indicating whether or not an atlas includes a patch including information on an entire region of a first source video may be encoded into the metadata.

Abstract: Disclosed herein is an image encoding/decoding method and apparatus for virtual view synthesis. The image decoding for virtual view synthesis may include decoding texture information and depth information of at least one or more basic view images and at least one or more additional view images from a bit stream and synthesizing a virtual view on the basis of the texture information and the depth information, wherein the basic view image and the additional view image comprise a non-empty region and an empty region, and wherein the synthesizing of the virtual view comprises determining the non-empty region through a specific value in the depth information and a threshold and synthesizing the virtual view by using the determined non-empty region.

Abstract: Disclosed herein is an immersive video processing method. The immersive video processing method may include classifying a multiplicity of source view videos into base view videos and additional view videos, generating residual data for the additional view videos, packing a patch, which is generated based on the residual data, into an altas video, and generating metadata for the patch.

Abstract: An immersive video processing method according to the present disclosure includes determining a priority order of pruning for source view videos, generating a residual video for an additional view video based on the priority order of pruning, packing a patch generated based on the residual video into an atlas video, and encoding the atlas video.

Abstract: Disclosed herein are an image encoding/decoding method and apparatus and a recording medium storing a bitstream.

Abstract: A method and an apparatus for generating a three-dimension (3D) virtual viewpoint image including: segmenting a first image into a plurality of images indicating different layers based on depth information of the first image at a gaze point of a user; and inpainting an area occluded by foreground in the plurality of images based on depth information of a reference viewpoint image are provided.

Abstract: A video encoding method of encoding a multi-view image including one or more basic view images and a plurality of reference view images includes determining a pruning order of the plurality of reference view images, acquiring a plurality of residual reference view images, by pruning the plurality of reference view images based on the one or more basic view images according to the pruning order, encoding the one or more basic view images and the plurality of residual reference view images, and outputting a bitstream including encoding information of the one or more basic view images and the plurality of residual reference view images.

Abstract: Disclosed is an apparatus and method of providing a high quality 360-degree VR image. A method of decoding a 360-degree VR image according to the present disclosure includes: receiving a bit stream including 360-degree VR image information; decoding information related to a 360-degree VR service from the bitstream; detecting a region of interest based on the information related to the 360-degree VR service; and providing to a user a 360-degree VR image for the region of interest.

Abstract: Disclosed herein is an immersive video processing method. The immersive video processing method may include classifying a multiplicity of view videos into a base view and an additional view, generating a residual video for the additional view video classified as an additional view, packing a patch, which is generated based on the residual video, into an atlas video, and generating metadata for the patch.

Abstract: Disclosed herein is an immersive video formatting method and apparatus for supporting motion parallax, The immersive video formatting method includes acquiring a basic video at a basic position, acquiring a multiple view video at at least one position different from the basic position, acquiring at least one residual video plus depth (RVD) video using the basic video and the multiple view video, and generating at least one of a packed video plus depth (PVD) video or predetermined metadata using the acquired basic video and the at least one RVD video.

Abstract: Disclosed is an apparatus and method of providing a high quality 360-degree VR image. A method of decoding a 360-degree VR image according to the present disclosure includes: receiving a bit stream including 360-degree VR image information; decoding information related to a 360-degree VR service from the bitstream; detecting a region of interest based on the information related to the 360-degree VR service; and providing to a user a 360-degree VR image for the region of interest.

Abstract: Disclosed are a method and a player for outputting an overlay that displays additional information on a 360-degree video. According to the present invention, an image processing method includes: decoding an overlay; and rendering the decoded overlay on a 360-degree video on the basis of overlay-related information. Here, the overlay-related information includes information indicating the number of the overlays and information indicating a unique identifier assigned to the overlay, and when multiple overlays are present, the identifiers assigned to the respective multiple overlays differ.

Abstract: An operating method of an electronic device is provided. The method includes determining whether a present point in time corresponds to a predetermined period or event, obtaining a content associated with the predetermined period or event, and providing the content as at least a part of a user interface displayed on a user interface screen of the electronic device.

Abstract: An array substrate includes a substrate; gate lines over the substrate along a first direction; data lines over the substrate along a second direction and crossing the gate lines to define pixel regions; a thin film transistor at each crossing portion of the gate and data lines; an insulating layer covering the thin film transistor and having a flat top surface; a common electrode on the insulating layer all over the substrate; a common line on the common electrode; a passivation layer on the common line; and a pixel electrode on the passivation layer in each pixel region and connected to the thin film transistor, the pixel electrode including electrode patterns, wherein the passivation layer has a step height at a top surface of the passivation layer due to the plurality of common lines.

Abstract: An array substrate includes a substrate; gate lines over the substrate along a first direction; data lines over the substrate along a second direction and crossing the gate lines to define pixel regions; a thin film transistor at each crossing portion of the gate and data lines; an insulating layer covering the thin film transistor and having a flat top surface; a common electrode on the insulating layer all over the substrate; a common line on the common electrode; a passivation layer on the common line; and a pixel electrode on the passivation layer in each pixel region and connected to the thin film transistor, the pixel electrode including electrode patterns, wherein the passivation layer has a step height at a top surface of the passivation layer due to the plurality of common lines.

Abstract: A control signal receiver includes a converting circuit and a synchronization detection circuit. The converting circuit generates a complex control symbol stream including transmission configurations by converting an input signal. The synchronization detection circuit generates a first bit stream by applying a first determination criterion to the complex control symbol stream and generates a first synchronization signal by comparing the first bit stream with a reference synchronization word. The synchronization detection circuit generates a second bit stream by applying the first determination criterion and a second determination criterion to the complex control symbol stream in that order and generates a second synchronization signal by comparing the second bit stream with the reference synchronization word. The synchronization detection circuit outputs one of the first synchronization signal and the second synchronization signal as asynchronization enable signal.

Abstract: A control signal receiver includes a converting circuit and a synchronization detection circuit. The converting circuit generates a complex control symbol stream including transmission configurations by converting an input signal. The synchronization detection circuit generates a first bit stream by applying a first determination criterion to the complex control symbol stream and generates a first synchronization signal by comparing the first bit stream with a reference synchronization word. The synchronization detection circuit generates a second bit stream by applying the first determination criterion and a second determination criterion to the complex control symbol stream in that order and generates a second synchronization signal by comparing the second bit stream with the reference synchronization word. The synchronization detection circuit outputs one of the first synchronization signal and the second synchronization signal as asynchronization enable signal.

Abstract: In one aspect, an orthogonal frequency division multiplexing (OFDM) receiver includes an offset compensator, a fast Fourier transform (FFT) block, a control unit, a channel impulse response estimation block, and a sampling offset estimation block. The offset compensator is configured to receive a digital input signal and a sampling offset, and to convert the digital input signal into a baseband signal in accordance with the sampling offset. The fast Fourier transform (FFT) block is configured to perform an FFT operation of the base band signal output from the offset compensator and to output a corresponding FFT result. The control unit is configured to generate OFDM symbol information and a plurality of control signals based on the FFT result. The channel impulse response estimation block is configured to periodically generate receiving channel impulse response information of a receiving channel based on the FFT result.

Abstract: A sampling offset estimation apparatus including a pilot sub-carrier refiner, an information sub-carrier refiner, a data sub-carrier refiner, and a sampling offset estimator. The pilot sub-carrier refiner to refine a pilot sub-carrier extracted from a differential demodulated signal, and to generate a reference pilot sub-carrier. The information sub-carrier refiner to refine an information sub-carrier extracted from the differential demodulated signal, and to generate a reference information sub-carrier. The data sub-carrier refiner to refine a data sub-carrier extracted from the differential demodulated signal, and to generate a reference data sub-carrier. The sampling offset estimator to estimate a sampling offset included in the differential demodulated signal, on a basis of the reference pilot sub-carrier, the reference information sub-carrier, and the reference data sub-carrier.

Abstract: An equalizing apparatus for an orthogonal frequency division multiplexing (OFDM) wireless communication receiving system includes a channel estimation block, a first equalizer, and an error compensation block. The channel estimation block performs channel estimation by extracting a pilot signal from a signal supplied to the first equalizer. The first equalizer performs first channel equalization based on the channel estimation from the channel estimation block. The error compensation block outputs an error compensation value of the first equalizer, based on data signals from the first equalizer. The error compensation value may be used by the first equalizer and/or a second equalizer. Related methods and computer program products are also described.