Multi-Camera Composition and Multi-Filter Imaging for Real-Time 360° Views

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Solution Overview

Problem

Existing medical camera systems are not integrated into a single system, lack performance, and are highly complex, making them unsuitable for real-time applications in medical environments.

Innovation Solution

A multi-camera system comprising an image composition camera device with calibrated camera models for 360-degree views and a multi-filter camera device capable of processing multiple wavelength bands, optimizing power consumption and stitching results for real-time applications.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple separate medical camera systems are used for different applications, then specific camera functions are achieved, but system complexity increases and integration becomes difficult

Engineering Contradiction:
Improvecamera function versatilityVSAvoidsystem complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines multiple separate medical camera systems into a single integrated system that can perform various camera functions (monitoring, tracking, recording) through one unified platform, reducing overall system complexity while maintaining versatility

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The integrated medical camera system is designed to perform multiple functions (monitoring instrument usage, tracking surgical workflows, recording procedures) through a single system that can adapt to different application requirements, eliminating the need for separate dedicated systems

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If known medical camera systems are implemented, then basic camera functions are provided, but performance is insufficient and complexity is very high

Engineering Contradiction:
Improvecamera system performanceVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The camera system is divided into functional modules (monitoring module, tracking module, recording module) that can operate independently but are integrated through a common platform, improving performance while managing complexity through modular design

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system dynamically adjusts operational parameters based on the specific application context (e.g., switching between monitoring and tracking modes), optimizing performance for each function without requiring separate complex systems

Inventive Principle:
Principle #35Parameter changes

3Measurement precision

If traditional image composition methods are used for 360-degree views, then stitching results are achieved, but computational overhead is high and real-time processing is difficult

Engineering Contradiction:
Improvestitching accuracyVSAvoidreal-time processing capability
Core Design Contradiction:
Measurement precisionVSProductivity

Solution Approach 1:

The system performs preliminary calibration and establishes camera models before actual image composition is needed, so that during real-time operation, the computationally intensive stitching can be executed efficiently using pre-computed reference data

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent replaces traditional complex mechanical stitching algorithms with a calibrated camera model approach that uses pre-determined geometric relationships, significantly reducing computational overhead while maintaining stitching accuracy

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

4Adaptability or versatility

If multi-filter camera devices process multiple wavelength bands separately, then spectral information is captured, but device structure becomes less compact

Engineering Contradiction:
Improvewavelength band coverageVSAvoiddevice structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines multiple filters for different wavelength bands into a single multi-filter device that can selectively capture various spectral bands, maintaining a compact structure while providing versatile wavelength band coverage

Inventive Principle:
Principle #5Merging (Combining)

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

The system provides improved performance and reduced complexity, enabling seamless 360-degree imaging and real-time switching between different wavelength bands without significant computational overhead.

Implementation Method 1

A lens, configured to collect light reflected from a scene

Methodology Applied
Scientific EffectLight reflection: Reflection

Implementation Method 2

A lens, configured to collect light reflected from a scene

Methodology Applied
Scientific EffectLight focusing: Lens

Implementation Method 3

A multi-filter device, configured to determine filtered light from the collected light, wherein the filtered light comprises timely interleaved light of at least two wavelength bands

Methodology Applied
Scientific EffectOptical filtering: Filter (optical)

Implementation Method 4

An image sensor, configured to determine image data from the filtered light

Methodology Applied
Scientific EffectPhotoelectric effect: Photoelectric Effect

Data Source

PatentEP4588239B1Medical camera system
Publication Date: 2026.02.25 BRAINLAB AG
  • EP4588239B1 patent drawingFigure 1~2
  • EP4588239B1 patent drawingFigure 3~4
  • EP4588239B1 patent drawingFigure 5~6

AI summary

The present invention relates to a multi camera system comprising an image composition camera device and a multi-filter camera device. The image composition camera device comprises a plurality of visible light cameras and is configured for determining a composite image of a scene by using a plurality of distance sensors, covering a plurality of distance sections of a 360 degree view of the scene to calibrate a camera model of one of the plurality of visible light cameras using distance information provided by the plurality of distance sensors. The multi-filter camera device comprises a multi-filter device, configured to determine filtered light from collected light, wherein the filtered light comprises timely interleaved light of at least two wavelength bands, so that the multi-filter camera device is supporting different wavelength bands with a more compact structure.