Abstract: A method and device for generating and displaying interactive 3D content are disclosed. According to one embodiment of the present disclosure, a method of generating and displaying interactive 3D content performed by a device may include receiving sensing data on a user's body from at least one sensor attached to the user's body; obtaining feature data related to the user's body and movement based on the sensing data; obtaining a content level or difficulty matching the user by inputting feature data and 3D (dimension) content into an artificial intelligence (AI) model; setting a level or difficulty of the 3D content according to the obtained content level or difficulty; and uploading the 3D content to a display terminal worn by the user.

Abstract: Provided is an impact motion recognition system for screen-based multi-sport coaching.

Abstract: Disclosed herein is an extended Reality (XR) glass device. The XR glass device may include a display unit, an optical waveguide, an in-coupler for in-coupling an image output from the display unit to the optical waveguide, and an out-coupler for out-coupling the image propagated along the optical waveguide to an eye, and the display unit may include a Micro Lens Array (MLA) in which respective micro lenses spatially correspond to multiple red (R) light sources, green (G) light sources, and blue (B) light sources.

Abstract: The present disclosure provides a method and device for analyzing user satisfaction of screen sports contents. According to one embodiment, the present disclosure provides a method of analyzing user satisfaction of a screen sports content, including generating first satisfaction detection information based on real-time chat data of a user using a text feature recognition model, generating second satisfaction detection information based on real-time chat data of the user using a language feature recognition model, and predicting real-time satisfaction of the user based on the first satisfaction detection information and the second satisfaction detection information using a satisfaction prediction model.

Abstract: Disclosed herein is an apparatus for reproducing a hologram image. The apparatus may include a holographic display module for reproducing a digital hologram, a background display module for reproducing a background image, and a combiner for selecting the background image in consideration of the depth map of the digital hologram and reproducing a hologram image synthesized by combining the selected background image with the digital hologram.

Abstract: A system and method for hologram synthesis and processing capable of synthesizing holographic 3D data and displaying (or reconstructing) a full 3D image at high speed using a deep learning engine. The system synthesizes or generates a digital hologram from a light field refocus image input using the deep learning engine. That is, RGB-depth map data is acquired at high speed using the deep learning engine, such as a convolutional neural network (CNN), from real 360° multi-view color image information and the RGB-depth map data is used to produce hologram content. In addition, the system interlocks hologram data with user voice recognition and gesture recognition information to display the hologram data at a wide viewing angle and enables interaction with the user.

Abstract: A method displays a binocular hologram image. The method includes generating a light beam of an incident wave field having coherence, expanding the generated light beam to the size of the active area of a display, converging the expanded light beam on the respective positions of the eyes of a user, generating digital hologram content, and displaying a hologram image based on the converged light beam and on the digital hologram content.

Abstract: According to an embodiment of the present disclosure, a method for learning an exercise posture of a user is disclosed. The method includes: checking joint feature point information which is constructed based on a joint of the user; learning a ready posture learning model by learning the joint feature point information corresponding to a ready posture of the user; and learning an exercise posture learning model by learning the joint feature point information corresponding to an exercise posture of the user.

Abstract: A method of generating hologram data in a holographic display apparatus, including a hologram processing device generating hologram data and a display terminal reconstructing a hologram image in a three-dimensional (3D) space on the basis of the generated hologram data, includes generating depth map image data from input image data by using a deep learning engine for generating a depth map and calculating a complex value hologram on the basis of the depth map image data and the input image data to generate the hologram data.

Abstract: Provided is an impact motion recognition system for screen-based multi-sport coaching.

Abstract: A method of generating hologram data in a holographic display apparatus, including a hologram processing device generating hologram data and a display terminal reconstructing a hologram image in a three-dimensional (3D) space on the basis of the generated hologram data, includes generating depth map image data from input image data by using a deep learning engine for generating a depth map and calculating a complex value hologram on the basis of the depth map image data and the input image data to generate the hologram data.

Abstract: A system and method for hologram synthesis and processing capable of synthesizing holographic 3D data and displaying (or reconstructing) a full 3D image at high speed using a deep learning engine. The system synthesizes or generates a digital hologram from a light field refocus image input using the deep learning engine. That is, RGB-depth map data is acquired at high speed using the deep learning engine, such as a convolutional neural network (CNN), from real 360° multi-view color image information and the RGB-depth map data is used to produce hologram content. In addition, the system interlocks hologram data with user voice recognition and gesture recognition information to display the hologram data at a wide viewing angle and enables interaction with the user.

Abstract: Disclosed herein are a hologram content generation apparatus, an integrated hologram content control system having the hologram content generation apparatus, and an operating method of the hologram content generation apparatus. The integrated hologram content control system includes a sensor unit configured to sense at least one of a face, motion, and voice of a user and generate sensing information, a hologram content generation apparatus configured to generate hologram content that enables interaction with the user using the sensing information, a display device configured to display the generated hologram content, and a rotation module for rotating the display device.

Abstract: Disclosed herein are a method and apparatus for displaying a binocular hologram image. The method includes generating a light beam of an incident wave field having coherence, expanding the generated light beam to the size of the active area of a display, converging the expanded light beam on the respective positions of the eyes of a user, generating digital hologram content, and displaying a hologram image based on the converged light beam and on the digital hologram content.

Abstract: Disclosed herein are a hologram content generation apparatus, an integrated hologram content control system having the hologram content generation apparatus, and an operating method of the hologram content generation apparatus. The integrated hologram content control system includes a sensor unit configured to sense at least one of a face, motion, and voice of a user and generate sensing information, a hologram content generation apparatus configured to generate hologram content that enables interaction with the user using the sensing information, a display device configured to display the generated hologram content, and a rotation module for rotating the display device.

Abstract: A method and apparatus for measuring a quality of a holographic image are provided. An image quality measuring method may include acquiring a first image including a holographic image in a background, and a second image that does not include a holographic image, the first image and the second image being on the same background, extracting a gray level value and a dark-noise counted level value from the first image in a selected range of the first image, extracting a gray level value and a dark-noise counted level value from the second image in the same range as the selected range of the first image, and determining a holographic contrast ratio (HCR) of the holographic image based on the extracted gray level values and the extracted dark-noise counted level values.

Abstract: The present invention relates to an apparatus for controlling a light beam path. Specifically, the apparatus for controlling the light beam path outputs light beams with a uniform intensity expanded corresponding to a size of an active area of a display by using characteristics of an incident wave field of light beams having coherence.

Abstract: Provided/Disclosed is a holographic display device including a light source configured to output a coherent emission beam, a beam illuminator configured to convert the emission beam to an illumination light having a plane wavefront and a spatially regular intensity and output the converted emission beam, and a spatial light modulator (SLM) configured to display a holographic image by modulating the illumination light based on image information, wherein the beam illuminator is configured to converge and output the illumination light.

Abstract: A method and apparatus for measuring a quality of a holographic image are provided. An image quality measuring method may include acquiring a first image including a holographic image in a background, and a second image that does not include a holographic image, the first image and the second image being on the same background, extracting a gray level value and a dark-noise counted level value from the first image in a selected range of the first image, extracting a gray level value and a dark-noise counted level value from the second image in the same range as the selected range of the first image, and determining a holographic contrast ratio (HCR) of the holographic image based on the extracted gray level values and the extracted dark-noise counted level values.

Abstract: The present invention relates to an apparatus for controlling a light beam path. Specifically, the apparatus for controlling the light beam path outputs light beams with a uniform intensity expanded corresponding to a size of an active area of a display by using characteristics of an incident wave field of light beams having coherence.