Dual Camera Media Stabilization via Wide-Narrow FOV Merging

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Solution Overview

Problem

Consumer electronic devices with integrated camera systems face difficulties in capturing images and videos due to their form factors, which can lead to operator-induced motion artifacts and incomplete capture of desired content, as operators often rely on a single camera's view while multiple cameras with different fields of view are present.

Innovation Solution

A system employing a pair of cameras with different fields of view, where a wide FOV camera captures additional content not visible in the narrow FOV camera, using an object tracker and compositor to detect and stabilize objects, and generate new media items that include all relevant content, overcoming framing inconsistencies and motion artifacts through motion sensor data and stabilization modes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If multiple cameras with different fields of view are used, then the completeness of captured content is improved, but the device complexity increases

Engineering Contradiction:
Improvecompleteness of captured contentVSAvoiddevice complexity
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The patent combines multiple camera feeds (wide FOV and narrow FOV) into a single composite view that displays content from both cameras simultaneously. This merging allows the operator to see all captured content in one display, eliminating the information loss that would occur if only one camera was shown, while the system manages the complexity of multiple cameras through automated composition.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The display system is designed to serve multiple functions: it can display content from a single camera or combine multiple camera feeds, and it can switch between different viewing modes based on operator needs. This multi-functionality allows the system to handle the complexity of multiple cameras while providing comprehensive content coverage.

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

2Volume of moving object

If the device form factor is reduced, then the portability is improved, but the operator-induced motion artifacts increase

Engineering Contradiction:
Improvedevice form factorVSAvoidmotion artifacts
Core Design Contradiction:
Volume of moving objectVSManufacturing precision

Solution Approach 1:

The patent divides the capture function into multiple cameras with different fields of view, where the wide FOV camera captures more of the scene and compensates for motion artifacts that affect the narrow FOV camera. This segmentation allows the system to maintain small form factor while improving robustness to operator motion through the complementary nature of multiple camera views.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS11196943B2Video analysis and management techniques for media capture and retention
Publication Date: 2021.12.07 APPLE INC
  • US11196943B2 patent drawing
  • US11196943B2 patent drawing
  • US11196943B2 patent drawing

AI summary

Techniques are disclosed for editing captured media to overcome operational difficulties that may arise during capture operations. According to these techniques, content may be captured with a pair of cameras, a first camera having a wider field of view than a second camera. Object(s) may be detected from captured content from the wider field of view camera. The captured content may be processed from the wider field of view camera in a location of at least one detected object. Typically, operators may attempt to frame content using content from the narrower field of view camera. As a result, operators may be unaware that desired content is captured using a second, wider field of view camera. Results from the processed wider field of view data may be proposed to operators for review and, if desired, retention.