Method and apparatus for processing holographic image
AssigneeElectronics and Telecommunications Research Institute
InventorsMin Sung YOON, Soo Myung PARK
Life of this patent
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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.
Claims18
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, the method comprising:
- 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.
A method of reconstructing the hologram image 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, the method comprising:
- generating depth map image data from input image data by using a first deep learning engine;
- generating the hologram data on the basis of the depth map image data and the input image data by using a second deep learning engine;
- and
- reconstructing the hologram image in a 3D space on the basis of the hologram data.
A holographic display apparatus comprising:
- a hologram processing device configured to generate hologram data;
- and
- a display terminal configured to reconstruct a hologram image in a three-dimensional (3D) space on the basis of the generated hologram data,
- wherein the hologram processing device comprises:
- a depth map generator configured to generate depth map image data from input image data by using a first deep learning engine;
- a hologram generator configured to generate the hologram data on the basis of the depth map image data and the input image data by using a fast Fourier transform (FFT)-based computer-generated hologram (CGH) calculation algorithm or a second deep learning engine;
- and
- a transmitter configured to transmit the hologram data to the display terminal, and
- wherein the display terminal comprises:
- a receiver configured to receive the hologram data;
- a spatial light modulator configured to form a diffraction pattern on the basis of the received hologram data and to modulate light incident on the formed diffraction pattern;
- and
- an optical module configured to irradiate coherent light onto the diffraction pattern so that the hologram image is reconstructed in a 3D space on the basis of light modulated by the spatial light modulator.
Dependencies are inferred from the claim text.