Hologram Image Reproduction With Depth-Matched Background Blending

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Solution Overview

Problem

Conventional digital hologram display technologies face challenges in maximizing immersion and clarity due to issues such as long generation times, content size, background processing, and noise, leading to quality degradation.

Innovation Solution

A hologram image reproduction apparatus and method that includes a holographic display module, background display module, and combiner, with adjustable depth and size settings, utilizing a neural network for image content acquisition and a convex lens for background adjustment, to combine digital holograms with 2D or 3D background images.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional digital hologram display technology is used, then a sense of immersion can be provided, but image quality degrades due to noise and long generation time

Engineering Contradiction:
Improvesense of immersionVSAvoidimage quality
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The system segments the display into two distinct modules: a holographic display module for generating digital holograms and a background display module for showing background images. This segmentation allows each module to be optimized independently, with the holographic module focusing on immersion and the background module providing high-quality, noise-free imagery that can be selectively combined based on depth map analysis

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A combiner module acts as an intermediary between the holographic display module and background display module. It uses depth map information as a mediator to intelligently select and combine background images with digital holograms, filtering out noise and optimizing image quality while preserving the immersive holographic effect

Inventive Principle:
Principle #24Intermediary (Mediator)

2Manufacturing precision

If background processing is performed to enhance hologram quality, then image clarity improves, but processing time increases

Engineering Contradiction:
Improveimage clarityVSAvoidprocessing time
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

The system performs preliminary action by pre-processing background images and organizing them in a background display module before they are needed. Depth maps are analyzed in advance to identify suitable background images, so that when hologram generation is complete, high-clarity backgrounds can be immediately combined without adding processing time to the critical hologram generation path

Inventive Principle:
Principle #10Preliminary action

3Device complexity

If a single display module is used, then device complexity is reduced, but the ability to adjust depth and background independently is limited

Engineering Contradiction:
Improvenumber of display modulesVSAvoiddepth and background adjustment capability
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The system implements dynamics by making the background display movable along the optical path and allowing the convex lens position to be adjusted. This enables independent control of background image depth and size, providing adaptability for different viewing conditions and holographic content while maintaining a relatively simple overall device structure

Inventive Principle:
Principle #15Dynamics

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables clear and immersive hologram viewing with adjustable depth and background control, minimizing eye strain and enhancing the realism of hologram content projection.

Implementation Method 1

The background display module may include a convex lens disposed between a background display and the combiner

Methodology Applied
Scientific EffectRefraction: Refraction

Implementation Method 2

a collimator for removing speckles, noise, and moiré of the light source

Methodology Applied
Scientific EffectOptical filtering: Filter (optical)

Implementation Method 3

a spatial light modulator

Methodology Applied
Scientific EffectLight modulation:

Data Source

PatentUS12578680B2Apparatus and method for reproducing hologram image
Publication Date: 2026.03.17 ELECTRONICS & TELECOMM RES INST
  • US12578680B2 patent drawing
  • US12578680B2 patent drawing
  • US12578680B2 patent drawing

AI summary

Disclosed herein is an apparatus for reproducing a hologram image. The apparatus may include a holographic display module for reproducing a digital hologram, a background display module for reproducing a background image, and a combiner for selecting the background image in consideration of the depth map of the digital hologram and reproducing a hologram image synthesized by combining the selected background image with the digital hologram.