G03H2001/0436

Delivering pre-rendered holographic content over a network

Delivering pre-rendered holographic content over a network is disclosed. A first camera view segment of a plurality of camera view segments that compose a holographic video is selected. Each camera view segment corresponds to a different camera view perspective of a scene and includes rendered holographic content that depicts a plurality of concurrent different viewer perspectives of the scene. The first camera view segment is streamed toward a holographic display for presentation of the first camera view segment on the holographic display.

FULL-COLOR INCOHERENT DIGITAL HOLOGRAPHY
20190072898 · 2019-03-07 · ·

In one embodiment, a digital holography system includes logic configured to receive raw interferograms obtained by illuminating an object field with incoherent light, the raw interferograms comprising multiple phase-shifted raw interferograms for each of multiple different colors, logic configured to combine like-colored raw interferograms to generate a separate complex hologram for each different color, logic configured to combine the separate complex holograms to generate a full-color complex hologram, and logic configured to reconstruct a full-color holographic image of the object field.

Full-color incoherent digital holography
10095183 · 2018-10-09 · ·

In one embodiment, a color holographic image is created by generating a separate complex hologram for each of multiple different colors of an object field illuminated with incoherent light, combining the separate complex holograms to obtain a color complex hologram, and generating a reconstructed color holographic image of the object field.

HOLOGRAPHIC-LIKE IMAGING DEVICES AND SYSTEMS
20180259903 · 2018-09-13 ·

Imaging devices or systems for providing a perception of a holographic-like or 3-dimensional image from a 2-dimensional image is provided to include: a lens having a lens axis and operating to receive a light reflecting from an object in a first direction and reflect the received light in a second direction, the object located on or around the lens axis; and a recording device arranged to receive the reflected light from the lens and records an image of an object, the image of the object having distortion information that provide a holographic-like effects.

DIGITAL HOLOGRAPHIC IMAGE-TAKING APPARATUS
20180107159 · 2018-04-19 · ·

Provided is a digital holographic image-taking apparatus, including: an illumination portion (10) having a light emission surface (14D) for emitting illumination light toward an object (1), the illumination light having a specific wavelength in a coherent plane waveform; and an image sensor (50) having an pixel array (51) including two-dimensionally arranged pixels, the image sensor (50) capturing an interference pattern generated based on the illumination light having acted on the object (1), in which the following conditional expression is satisfied: 0.0000001<Z.sup.2/S<16, where S represents the area of the light emission surface (14D), and Z represents the distance from the light emission surface (14D) to the pixel array (51).

WIDE VIEWING ANGLE HOLOGRAPHIC VIDEO CAMERA AND DISPLAY USING A PHASE PLATE
20170168453 · 2017-06-15 ·

The present invention relates to a system and method for displaying and capturing holographic true 3D images. The system comprises elements which may form both a wide viewing angle holographic true 3D display and a holographic true 3D video camera. The system mainly comprises a light source, a spatial light modulator or an electro-optical capturing device in different embodiments of the invention, a phase plate, a computer and an opaque mask in some embodiments of the invention.

Systems and Methods for Improving Resolution in Lensless Imaging
20170153599 · 2017-06-01 ·

An infrared imaging system includes a phase grating overlying a two-dimensional array of thermally sensitive pixels. The phase grating comprises a two-dimensional array of identical subgratings that define a system of Cartesian coordinates. The subgrating and pixel arrays are sized and oriented such that the pixels are evenly distributed with respect to the row and column intersections of the subgratings. The location of each pixel thus maps to a unique location beneath a virtual archetypical subgrating.

Coherent Optical Imaging for Detecting Neural Signatures and Medical Imaging Applications Using Common-Path Coherent Optical Techniques

Example apparatuses and methods relating to imaging systems are provided. An example imaging system may include an optical source configured to generate an optical beam, a beam splitter configured to split the optical beam into a reference beam and an object beam, and a beam combiner configured to route a combined beam with reference beam and object beam components along a common path into a target medium. In this regard, the target medium may act upon the combined beam to form a common path interference beam. The example imaging system may further include an imaging sensor configured to receive the common path interference beam and generate common path interference beam data associated with the common path interference beam, and an image data processor configured to analyze the common path interference beam data to generate image data describing the target medium.

Coherent Optical Imaging for Detecting Neural Signatures and Medical Imaging Applications Using Holographic Imaging Techniques

A neural imaging system may include an imaging array, an image data processor operably coupled to the imaging array to process image data received from the imaging array, and a beam angle separator disposed between the imaging array and an object being imaged. The beam angle separator may be configured to separate an object beam reflected from the object being imaged into a plurality of reference beams each having different angular separation with respect to the object beam. The image data processor may be configured to generate image data of the object for each one of the reference beams to correspond to a respective different depth within the object.

Holographic image processing method and holographic image processing apparatus

Provided is a holographic image processing apparatus including a memory configured to store at least one instruction, and a processor configured to execute the at least one instruction stored in the memory to generate a corrected holographic image by correcting an original holographic image captured by a holographic camera based on a neural network configured to learn hologram correction in advance.