3D Imaging Navigation Calibration for Accurate Multi-View Modeling

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Solution Overview

Problem

The accuracy of navigation in 3D modeling is compromised by the imprecision in the positioning and orientation of imaging units during the imaging process.

Innovation Solution

A system that generates orientation information for a first imaging unit, calibrates the orientation information of a second imaging unit based on the first, and controls the second imaging to enhance the accuracy of 3D modeling by reflecting the calibration results in the orientation information and shape data.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If multiple imaging units are used to improve coverage and efficiency, then productivity increases, but the complexity of coordinating and calibrating multiple units increases

Engineering Contradiction:
Improveimaging efficiencyVSAvoidsystem coordination complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent introduces a calibration unit as an intermediary component that mediates between multiple imaging units. This calibration unit receives orientation information from each imaging unit, performs calibration computations, and outputs corrected orientation information. By isolating the calibration functionality in a separate intermediary module, the patent simplifies the overall system architecture while enabling multi-unit coordination.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent applies preliminary calibration actions before the actual imaging process. The calibration unit pre-processes orientation information from imaging units, establishing accurate spatial relationships in advance. This preliminary calibration ensures that when multiple imaging units operate together, their data can be properly integrated without requiring complex real-time coordination.

Inventive Principle:
Principle #10Preliminary action

2Measurement precision

If calibration processing is performed for each imaging unit to maintain accuracy, then measurement precision is improved, but processing time and computational load increase

Engineering Contradiction:
Improvenavigation accuracyVSAvoidcalibration processing time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent merges the calibration processing of multiple imaging units into a single integrated operation. Instead of treating each imaging unit's calibration independently and sequentially, the calibration unit processes all orientation information simultaneously, combining multiple calibration computations into one unified operation. This merging approach maintains high measurement precision while significantly reducing total processing time.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The calibration unit creates a standardized calibration result that can be applied across multiple imaging units. By computing a universal calibration transformation based on the first captured image and first three-dimensional shape information, the system avoids redundant calculations for each subsequent imaging unit, thereby reducing processing time while maintaining accuracy.

Inventive Principle:
Principle #26Copying

3Manufacturing precision

If comprehensive calibration is performed to ensure high accuracy, then manufacturing precision is improved, but the workload and processing volume increase

Engineering Contradiction:
Improve3D modeling accuracyVSAvoidprocessing volume
Core Design Contradiction:
Manufacturing precisionVSQuantity of substance

Solution Approach 1:

The patent extracts only the essential calibration information needed for accurate 3D modeling from the comprehensive calibration process. The calibration unit identifies and processes only the critical orientation parameters and spatial relationships, discarding redundant calibration data. This extraction approach maintains manufacturing precision while reducing the quantity of processing data and computational workload.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The calibration unit applies different levels of processing precision to different aspects of the calibration data. Rather than uniformly processing all calibration information at maximum precision, the system applies high precision only to critical parameters that directly affect 3D modeling accuracy, while using lower precision for less critical parameters. This local quality approach maintains overall manufacturing precision while reducing total processing volume.

Inventive Principle:
Principle #3Local quality

Data Source

PatentEP4651503A1Information processing device and method
Publication Date: 2025.11.19 SONY GROUP CORP
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AI summary

The present disclosure relates to an information processing device and method that can suppress a decrease in accuracy of navigation of imaging for 3D modeling. First orientation information and first three-dimensional shape information are generated on the basis of a first captured image generated by first imaging of imaging a 3D object, second orientation information is calibrated on the basis of the first captured image, the first orientation information, and a second captured image, second imaging to generate second three-dimensional shape information is controlled or guidance information for the second imaging to generate the second three-dimensional shape information is generated, on the basis of the second orientation information reflecting the calibration result and the first three-dimensional shape information, and the output of the guidance information is controlled. The present disclosure is applicable to, for example, an information processing device, an imaging device, an imaging communication device, an electronic device, an information processing method, a program, an information processing system, or the like.