Holographically displaying live scenes including three-dimensional objects

A system comprising:

• a holographic capturing system comprising:
• an optical system configured to generate an optical hologram of a live scene that comprises one or more three-dimensional (3D) objects, wherein the optical system comprises a coherent light source and an interferometer, and the optical hologram comprises an interference pattern formed by using the coherent light source and the interferometer;
• and
• an optical sensor configured to capture sequential optical holograms of the live scene and output sequential hologram data associated with the sequential optical holograms of the live scene, each optical hologram being associated with respective hologram data;
• a holographic display system configured to optically reconstruct the live scene in a 3D space based on at least part of the sequential hologram data;
• and
• a computing device coupled between the holographic capturing system and the holographic display system,
• wherein the holographic capturing system is configured to capture the sequential optical holograms and generate the sequential hologram data, without storing the sequential optical holograms and the sequential hologram data,
• wherein the computing device is configured to receive the at least part of the sequential hologram data from the optical sensor and generate digital holograms associated with the live scene based on the at least part of the sequential hologram data, without storing the at least part of the sequential hologram data and the digital holograms,
• wherein the holographic display system is configured to receive the digital holograms associated with the live scene from the computing device and diffract light based on the digital holograms to reconstruct the live scene in the 3D space, and
• wherein the holographic capturing system, the computing device, and the holographic display system are configured together to capture optical holograms of the live scene and optically reconstruct the live scene in real time.

A system comprising:

• a holographic capturing system comprising:
• an optical system configured to generate an optical hologram of a live scene that comprises one or more three-dimensional (3D) objects, wherein the optical system comprises a coherent light source and an interferometer, and the optical hologram comprises an interference pattern formed by using the coherent light source and the interferometer;
• and
• an optical sensor configured to capture sequential optical holograms of the live scene and output sequential hologram data associated with the sequential optical holograms of the live scene, each optical hologram being associated with respective hologram data;
• a holographic display system configured to optically reconstruct the live scene in a 3D space based on at least part of the sequential hologram data;
• and
• a computing device coupled between the holographic capturing system and the holographic display system,
• wherein the computing device is configured to receive the at least part of the sequential hologram data from the optical sensor and generate digital holograms associated with the live scene based on the at least part of the sequential hologram data,
• wherein the holographic display system is configured to receive the digital holograms associated with the live scene from the computing device and diffract light based on the digital holograms to reconstruct the live scene in the 3D space,
• wherein the holographic display system comprises:
• a display comprising a plurality of display elements;
• and a driving device coupled to the display, wherein the driving device is configured to:
• generate control signals for the plurality of display elements of the display based on a digital hologram associated with the live scene;
• and transmit the control signals to the display to modulate the plurality of display elements of the display based on the control signals,
• wherein the digital holograms comprise a series of groups of digital holograms for a plurality of colors, and wherein the holographic display system further comprises an illuminator comprising a plurality of coherent light elements for the plurality of colors, and
• wherein the driving device is configured to:
• sequentially modulate the display with a first digital hologram for a first color during a first time period and modulate the display with a second digital hologram for a second color during a second, sequential time period;
• and
• control the illuminator to sequentially turn on a first coherent light element to emit light with the first color during the first time period and a second coherent light element to emit light with the second color during the second, sequential time period.