Adaptive Image Stabilization for Dynamic User Activities
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Solution Overview
Problem
Conventional image stabilization devices, such as gimbals, often fail to capture unique aspects of user activities like flips or leaning into curves due to their fixed stabilization profiles, resulting in non-smooth or robotic video sequences.
Innovation Solution
The image stabilization device adapts its stabilization profile by detecting exceptional activities through sensors and user intentions, modifying its operation to prioritize capturing dynamic movements without discontinuity in the point of view, such as during flips or leaning into curves.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the image stabilization device maintains a fixed stabilization profile, then the captured media is stable and smooth, but the device fails to capture unique aspects of user activities like flips or leaning into curves
Solution Approach 1:
The image stabilization device transitions from a fixed stabilization profile to a dynamic adaptive profile that automatically adjusts based on detected user activities. Sensors detect motion patterns and the processor modifies stabilization parameters in real-time, enabling the device to adapt to different activities like flips or curve leaning while maintaining reliability through controlled transition thresholds
Solution Approach 2:
The device implements a feedback loop where sensors continuously monitor user activity and provide data to the processor, which then adjusts the stabilization profile accordingly. This closed-loop system detects exceptional activities and modifies stabilization behavior while ensuring smooth transitions, resolving the contradiction between adaptability and stability
2Adaptability or versatility
If the image stabilization device stops stabilizing during exceptional activities, then the unique aspects of the activity are captured, but the video sequence may become non-smooth or discontinuous
Solution Approach 1:
Instead of completely stopping stabilization during exceptional activities, the device applies partial stabilization by reducing the stabilization effect to a controlled level. This allows unique activity aspects to be captured while maintaining enough stabilization to prevent complete discontinuity, achieving both dynamic capture and sequence continuity
Solution Approach 2:
The device changes stabilization parameters dynamically based on detected activity intensity and type. By adjusting parameters like stabilization strength, response threshold, and damping coefficients, the device captures exceptional movements effectively while maintaining video continuity through smooth parameter transitions
3Adaptability or versatility
If the image stabilization device uses a fixed stabilization profile, then the device operation is simple, but it results in robotic video sequences that lack realism
Solution Approach 1:
The image stabilization device performs self-adjustment by automatically detecting user activities through onboard sensors and autonomously modifying its stabilization profile. This self-service capability eliminates the need for complex manual control interfaces while achieving realistic video sequences, balancing adaptability with operational simplicity
Solution Approach 2:
The device replaces complex mechanical adjustment mechanisms with sensor-based detection and software-based profile switching. By using sensors to detect activities and processors to automatically select appropriate stabilization profiles, the device achieves adaptability without proportionally increasing mechanical complexity
Data Source
AI summary
Stabilizing an image capture device includes stabilizing the image capture device as the image capture device captures images; responsive to detecting an exceptional activity, stopping the stabilizing of the image capture device; and after the exceptional activity is completed, stabilizing the image capture device again. An image stabilization device for stabilizing an imaging device includes a processor that is configured to set at least one of a pitch angle or a roll angle of the image stabilization device to respective constant values and allow a yaw angle of the image stabilization device to vary; while the yaw angle is less than a threshold angle, maintain the yaw angle at a constant relative to a reference platform; when the yaw angle reaches the threshold angle, stop keeping the yaw angle relative to a reference platform constant; and set the yaw angle to follow a direction of motion of the reference platform.