Mobile Platform Tracking Switching Between Body Parts
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Solution Overview
Problem
Existing tracking strategies for mobile platforms, such as unmanned aerial vehicles, face poor performance due to changes in distance between the platform and the target object, leading to either slowed tracking at close range or blurred features at long range, resulting in unreliable tracking.
Innovation Solution
A control method that switches between tracking a preset part and the full human body of a target object based on distance thresholds, using matching parameters to determine the most suitable characteristic part for tracking, thereby maintaining high-quality tracking performance across varying distances.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If tracking is performed on a fixed characteristic part of the target object, then the tracking process is simple, but the tracking quality deteriorates when the distance between the mobile platform and the target object changes
Solution Approach 1:
The patent implements dynamic tracking target selection by switching between different characteristic parts (full human body vs. preset part) based on the distance between the mobile platform and the target object. When the distance exceeds a threshold, the system switches to tracking the full human body; when the distance is within the threshold, it switches to tracking the preset part. This dynamic adaptation resolves the contradiction by making the tracking system flexible rather than fixed, thereby maintaining high tracking quality across varying distances while keeping the overall process manageable.
2Measurement precision
If the distance between the mobile platform and the target object is short, then the tracking frame size is large, but the tracking speed slows down causing loss of tracking
Solution Approach 1:
The patent segments the tracking target into two distinct types: full human body tracking and preset part tracking. When the distance is short and the tracking frame becomes large, the system switches to tracking only the preset part (a smaller, more focused region). This segmentation allows the system to maintain appropriate tracking frame sizes for the given distance, preventing excessive frame sizes that would slow down tracking and cause loss of the target.
3Speed
If the distance between the mobile platform and the target object is long, then the tracking frame size is small, but the tracking feature becomes blurred with less useful information
Solution Approach 1:
The patent employs dynamic switching between tracking modes based on distance. When the distance between the mobile platform and the target object is long, the system switches to full human body tracking, which provides a larger tracking frame with more useful information and less blurred features. This dynamic adaptation ensures that the tracking system always uses the appropriate tracking target size for the current distance, preventing information loss while maintaining tracking speed.
4Device complexity
If single characteristic part tracking is used, then the tracking process is simple, but the adaptability to different distances is poor
Solution Approach 1:
The patent implements a universal tracking system that can handle multiple tracking scenarios (different distances) by switching between two tracking modes: full human body tracking and preset part tracking. This multi-functionality allows the same tracking system to adapt to both long-distance and short-distance scenarios effectively, resolving the contradiction between process simplicity and distance adaptability. The system maintains relative simplicity through automated switching logic while achieving high adaptability across varying distances.
Data Source
AI summary
A control method for a mobile platform includes obtaining a captured image, determining a target first characteristic part of a target object from the captured image, determining a second characteristic part of the target object in the captured image, and switching from tracking the second characteristic part to tracking the target first characteristic part in response to a tracking parameter of the target object meeting a preset tracking condition.