Guided 3D Display Adaptation via QVE Mapping

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Solution Overview

Problem

Stereoscopic content optimized for one display type often appears differently on other 3D displays due to variations in screen size and multi-view technology, leading to inconsistent 3D viewing experiences that deviate from the creator's artistic intent.

Innovation Solution

The development of guided 3D display adaptation techniques using quality of viewing experience (QVE) mapping, which characterizes the viewing experience on a particular display as a function of input disparity or depth data, allowing for depth range conversion and metadata creation to ensure consistent rendering across different displays.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If stereoscopic content is optimized for a specific target display, then the viewing experience on that display is improved, but the viewing experience on other displays with different screen sizes and technologies deteriorates

Engineering Contradiction:
Improveviewing experience consistencyVSAvoiddisplay compatibility
Core Design Contradiction:
Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The system applies parameter changes by transforming depth data through depth range conversion functions that are specific to each display type. The depth values are remapped according to the target display's characteristics (screen size, viewing distance, technology type), ensuring consistent viewing experience across different display platforms while maintaining the original artistic intent.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent introduces an intermediary approach by using QVE mapping as a mediator between the original depth data and the target display requirements. The QVE mapping serves as a bridge that translates depth information from one display context to another, preserving the creator's intent while adapting to different display specifications.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If depth maps are extracted and multiple views are rendered for auto-stereoscopic displays, then glasses-free viewing is enabled, but the original artistic intent may be compromised due to automated rendering

Engineering Contradiction:
Improveglasses-free viewingVSAvoidartistic intent preservation
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The system implements feedback by using QVE mapping to evaluate and guide the depth rendering process. The QVE mapping provides feedback about the desired viewing experience, allowing the system to adjust depth values to preserve artistic intent while enabling glasses-free viewing on auto-stereoscopic displays.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent applies parameter changes by transforming depth data through depth range conversion functions that are specific to each display type. The depth values are remapped according to the target display's characteristics (screen size, viewing distance, technology type), ensuring consistent viewing experience across different display platforms while maintaining the original artistic intent.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentEP2982106B1Guided 3D display adaptation
Publication Date: 2019.06.19 DOLBY LABORATORIES LICENSING CORP
  • EP2982106B1 patent drawingFigure 1A~1B
  • EP2982106B1 patent drawingFigure 2~3
  • EP2982106B1 patent drawingFigure 4A~4B

AI summary

A 3D display is characterized by a quality of viewing experience (QVE) mapping which represents a display-specific input-output relationship between input depth values and output QVE values. Examples of QVE mappings based on a metric of "viewing blur" are presented. Given reference depth data generated for a reference display and a representation of an artist's mapping function, which represents an input-output relationship between original input depth data and QVE data generated using a QVE mapping for a reference display, a decoder may reconstruct the reference depth data and apply an inverse QVE mapping for a target display to generate output depth data optimized for the target display.