A phase modulation structure includes a recording surface including phase angle recording regions in a plurality of calculated element regions corresponding to reconstruction points of an image on a one-to-one basis, each phase angle recording region being formed of a plurality of unit blocks in each of which a phase angle is recorded, the phase angle being calculated based on a phase that is a sum of a plurality of phases of light from the corresponding reconstruction points; and a representative area that is one of divisions of the calculated element region, the representative area being obtained by radially dividing the calculated element region centered on a point on the calculated element region, the point being obtained by extending a normal line from the corresponding reconstruction point to the calculated element region on the recording surface.

Projection control method, electronic device, and storage medium are provided. The projection control method includes obtaining a first depth data corresponding to a reference object; obtaining a second depth data corresponding to a remote object; determining a first scaling ratio corresponding to the remote object according to the first depth data and the second depth data; and performing a holographic projection on the remote object according to the first scaling ratio and the second depth data, to obtain a first projection image.

An optical device is formed by hot stamping a demetallized hologram to an optically variable foil or to a coating of optically variable ink. In another embodiment a hologram is hot stamped to a banknote or document printed with a color-shifting ink.

Intelligent hologram communication continuity (e.g., using a computerized tool) is enabled. A method can comprise: determining, by a device comprising a processor, a context associated with a live interaction, wherein the live interaction is associated with a user profile and transmitted via a network; determining, by the device, hardware data representative of hardware associated with transmission of the live interaction via the network; in response to a hardware criterion being determined to be threshold satisfied by the hardware data, generating, by the device, using a hologram generation model and based on the context, a synthetic hologram associated with the live interaction, wherein the hologram generation model has been generated based on machine learning applied to past context data representative of past contexts of past live interactions associated with the user profile, from prior to the live interaction; and transmitting, by the device, the synthetic hologram instead of the live interaction.

A unique method and a device to generate free space “pop-out” & “sink-in” holograms is disclosed herein. The hologram disclosed herein does not use any special medium, mirrors, reflective screens or wearables such as headgear & special glasses. The hologram disclosed herein can be created in free space, outer space or in air, without any other optical components except for the special display screen of the hologram device. This device demonstrates a free space hologram and the hologram Augmented Reality & hologram Virtual Reality. A camera capable of hologram quality images equipped with a smart lens which mimics the human eye by changing it's lens aperture according to the light intensity as the pupil of the human eye and focus & capture “pop-out” & “sink-in” hologram images is disclosed herein. The audio which is incorporated with the device provide multi dimensional multi directional audio effects.

A head-up display system includes a hologram projector adapted to project a holographic image, a waveguide positioned in front of the hologram projector, wherein the holographic image projected by the hologram projector passes through the waveguide, a glare control prism positioned in front of the waveguide assembly, and a waveplate positioned between the waveguide and the glare control prism, the waveplate adapted to adjust the polarization of the holographic image.

An NFT display device having a user interface touch system, a monitor, and a storage unit and processor stored within a housing, in which the housing includes a power button, a USB port and a power connector port for supplying power to the NFT display device. Moreover, the disclosure describes an NFT holographic projector that includes a hologram projection lens, as well as a touch interface, a monitor, and a storage unit and processor stored within a housing in which the housing includes a power button, a USB port, and a power connector port for supplying power to the NFT holographic projector.

The invention relates to a free-beam interferometric method for illuminating a sequence of sectional areas in the interior of the light-scattering object. The method makes it possible for the user to select a larger image field and/or a higher image resolution than previously possible with the occurrence of self-interference of the specimen light from a scattering specimen.

In an approach to security for displayed confidential holographic objects, one or more computer processors receive a request from a user to display a holographic object in association with a device. One or more computer processors identify content to be moved to the holographic object. One or more computer processors determine the content includes confidential information. One or more computer processors request authentication from the user. One or more computer processors receive the authentication from the user. One or more computer processors create a holographic boundary, where the holographic boundary blocks a view of the holographic object from one or more unauthorized users. One or more computer processors display the holographic boundary. One or more computer processors display the holographic object in association with the device.

An image display method includes: obtaining an input operation by a first user on a virtual interactive object displayed on a first display surface of a transparent holographic display screen; determining, in conjunction with the input operation, a movement trajectory of the virtual interactive object, a first appearance state feature of the virtual interactive object relative to an eye position of the first user, and a second appearance state feature of the virtual interactive object relative to an eye position of a second user, after a current moment; displaying the virtual interactive object having the movement trajectory and the first appearance state feature on the first display surface of the transparent holographic display screen; and displaying the virtual interactive object having the movement trajectory and the second appearance state feature on a second display surface of the transparent holographic display screen.