Multi-Channel UAV Imaging for Real-Time Multi-Angle Navigation
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Solution Overview
Problem
Current unmanned aerial vehicles (UAVs) are limited by a single picture transferring channel, making it inconvenient and unsafe for operators to capture and transfer images from multiple angles, leading to interference and difficulties in navigating the UAV, especially when operators are far from the vehicle.
Innovation Solution
An aerial imaging system with multiple channels for acquiring and transferring pictures from multiple imaging devices, using a combination of picture acquiring, encoding, and wireless transferring modules, allowing for real-time encoding and decoding of bitstreams via protocols like MPEG-4 Part 10 or H.264, and presenting them in formats like picture-in-picture or picture-on-picture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single picture transferring channel is used in UAVs, then the device complexity and cost are reduced, but the ability to capture and transfer images from multiple angles is limited, causing operator interference and navigation difficulties
Solution Approach 1:
The system divides the imaging function into multiple independent imaging devices (e.g., forward-facing camera, rearward-facing camera, side cameras), each connected to its own dedicated picture transferring channel. This segmentation allows simultaneous operation of multiple imaging functions without interference, resolving the contradiction between simple system design and multi-angle imaging capability.
Solution Approach 2:
The UAV imaging system is designed with universal multi-functionality by equipping multiple imaging devices that can serve different purposes (navigation, obstacle avoidance, documentation) simultaneously through separate channels. Each channel can be independently configured for specific imaging needs, making the system adaptable to various operational requirements while maintaining manageable complexity.
2Adaptability or versatility
If multiple imaging devices are equipped on UAVs, then comprehensive multi-angle imaging is achieved, but the weight and room space of the UAV increase
Solution Approach 1:
Instead of uniformly distributing imaging capabilities throughout the UAV, the system applies local quality by placing imaging devices only at specific locations where they are most needed (e.g., front, rear, critical sides). Each imaging device is strategically positioned to capture specific angles important for navigation and obstacle avoidance, minimizing total weight while achieving comprehensive coverage.
Solution Approach 2:
The system implements partial imaging coverage by selecting only the most critical viewing angles and directions needed for safe UAV operation, rather than providing 360-degree coverage. This partial action approach achieves sufficient multi-angle imaging capability for navigation and obstacle avoidance without the excessive weight of complete omnidirectional imaging systems.
3Device complexity
If operators share a single imaging channel, then device complexity is reduced, but operator interference increases and navigation safety deteriorates
Solution Approach 1:
The picture transferring system is segmented into multiple independent channels, with each channel dedicated to a specific operator or function. The first channel transfers pictures from the first imaging device to the first operator for navigation control, while the second channel transfers pictures from the second imaging device to the second operator for imaging operations. This segmentation eliminates operator interference and improves navigation safety while maintaining manageable system complexity.
Solution Approach 2:
The system introduces intermediary picture transferring channels that act as dedicated communication pathways between imaging devices and operators. These intermediary channels prevent direct interference between operators by providing isolated transmission paths, ensuring that navigation decisions are made based on dedicated visual information without being compromised by other operators' imaging needs.
Data Source
AI summary
An aerial imaging system for transferring pictures captured from a plurality of imaging devices includes an aerial node. The aerial node has a plurality of channels for acquiring the pictures from the imaging devices and is configured to transfer the pictures.