Methods and systems (terminals, devices) for the generation, the retrieval and the display of computer-generated holographic images through a head-mounted display. The holographic images may be used as virtual retrievable tags for display in augmented reality.

A method and apparatus for processing hologram image data capable of optimizing image quality of a hologram image are provided. The image processing method includes receiving input image data, reading a header included at a predetermined location in the input image data, and generating hologram data configured to display a hologram image by performing a Fourier calculation and pixel encoding on the input image data based on at least one parameter recorded in the header, wherein the at least one parameter recorded in the header includes at least one of depth information, scale information, and gamma information.

Disclosed are a method and a system for image processing and data transmission in a network-based multi-camera environment. The inventive concept provides a real-time high-efficiency 3D/hologram image service to the user through an in-network computing technology. In detail, the inventive concept minimizes loss of a quality of a final 3D/hologram image while reducing an amount of information that is to be transmitted through processing of a plurality of cameras by allowing information captured by the cameras to be efficiently processed and transmitted when the cameras cooperate with each other to produce a 3D/hologram image.

An illumination apparatus using a coherent light source, comprising: a coherent light source that generates a coherent light beam, a microlens array including a collection of a large number of independent lenses; and a light beam scanning device that irradiates the light beam onto the microlens array and carries out scanning so that an irradiation position and an irradiation direction of the light beam on the microlens array changes with time. Each of the independent lenses included in the microlens array has a function of refracting light irradiated from the light beam scanning device and forming an irradiation region on a light receiving surface. The light receiving surface is not a refractive element, and is configured so that irradiation regions formed by the independent lenses become substantially a same common region on the light receiving surface. The irradiation regions being irradiated by light which is refracted by the independent lenses.

An optical film including a recording surface on which a plurality of unit blocks is disposed at regular intervals. For these unit blocks, phase components of light from a reconstruction point are calculated. The recording surface includes a calculated element region provided with an array of the unit blocks for which phase components of light from the reconstruction point are calculated for reproduction of an image. A first image is a monotone reconstruction image having even brightness, and a second image is a grayscale image having brightness gradation.

An information processing apparatus includes a detector and a reception unit. The detector detects approaching of a user toward an image formed in midair. The reception unit receives an action of the user as an operation in a case where the user approaches the image from a predetermined direction.

A holographic imaging device includes a laser device, a laser beam expanding and collimating system and a liquid crystal cell. The laser beam expanding and collimating system is configured to expand a light beam from the laser device and enable the expanded light beam to be transmitted substantially vertically to the liquid crystal cell. An amplitude-transmission coefficient distribution of the liquid crystal cell is determined in accordance with a brightness distribution of holographic interference fringes of an object to be displayed.

The present disclosure provides a method and an apparatus for providing a user companion by using mixed reality technology. The method includes: receiving from the user a summon indication for summoning a character; summoning the character in response to the summon indication, wherein the character is a virtualized object of a real person; controlling the summoned character to imitate an action or an expression of the real person; receiving from the user an interaction indication with regard to the character; matching the interaction indication against a database to acquire corresponding reaction data of the character; and updating a presentation of the character based on the reaction data. The implementation of the present disclosure may realize the interaction between human and virtual world, which may improve the efficiency and effect of interactivity.

A closure having a design comprising holographic and non-holographic portions is described. The closure comprises a top panel and a skirt that extends downwards from the outer periphery of the top panel. The skirt's outer surface and the top panel's upper surface collectively comprising an external surface that may be covered by a design, which has a first design portion with a hologram and a second design portion without a hologram.

The present invention generally extends to methods, systems, and devices that advantageously employ holograms to store and retrieve information about objects, and to compare objects. Methods include generating first and second holograms of image spectral cross sections comparing the holograms and using a photometer to analyze the comparison result. Computer program products are described for use in differentiating spectral components of spatial cross sections of image pixels.