IP Camera Wireless Sensor Network Positioning
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Solution Overview
Problem
Traditional camera systems are limited by their field of view, which can be affected by environmental factors and internal architecture, leading to reduced fidelity and accuracy in object detection, and are often centralized, limiting storage, programming, and configuration capabilities.
Innovation Solution
A decentralized video surveillance system using an internet protocol camera connected to a wireless sensor network, where sensors transmit condition information to the camera, allowing it to determine their positions and activate external systems based on this information, thereby extending its awareness beyond its field of view and enhancing detection capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a traditional camera system is used with a fixed field of view, then the system structure is simple, but the surveillance coverage is limited and object detection accuracy is reduced
Solution Approach 1:
The system divides the surveillance function into multiple components: the central IP camera for video capture and multiple distributed wireless sensors for environmental monitoring and position detection. Each sensor operates independently within its local area, collectively providing comprehensive coverage without requiring a single complex camera system
Solution Approach 2:
Wireless sensors act as intermediaries between the physical environment and the IP camera system. These sensors detect conditions (motion, temperature, humidity) and transmit data to the camera, enabling the system to monitor areas beyond the camera's direct field of view while maintaining system simplicity
2Measurement precision
If environmental factors affect the camera's field of view, then the system remains simple, but the object detection fidelity and accuracy deteriorate
Solution Approach 1:
Wireless sensors provide continuous feedback about environmental conditions (temperature, humidity, motion) to the IP camera system. This feedback allows the system to compensate for environmental effects on video quality and adjust detection parameters dynamically, maintaining accuracy despite changing conditions
Solution Approach 2:
The system merges multiple detection modalities: visual data from the IP camera and environmental data from wireless sensors. By combining these independent detection channels, the system achieves more reliable object detection that is less susceptible to environmental interference affecting any single sensor type
3Adaptability or versatility
If a centralized camera system is used, then the system architecture is simple, but storage and configuration capabilities are limited
Solution Approach 1:
The system segments the intelligence and processing functions across multiple independent components: the IP camera for video processing and wireless sensors for environmental monitoring. Each component can be independently programmed and configured, enabling flexible system adaptation without requiring complex centralized architecture
Solution Approach 2:
The IP camera system is designed with multi-functionality, serving both as a video capture device and as a central processing unit that receives and processes data from multiple wireless sensors. This universal design enhances configuration flexibility without requiring separate dedicated systems for each function
4Productivity
If the camera operates without position information, then the system remains simple, but the ability to track and respond to moving objects is reduced
Solution Approach 1:
Wireless sensors with position measurement capabilities act as intermediaries that provide location data to the IP camera system. These sensors detect the position of targets or environmental features and transmit this information to the camera, enabling efficient tracking without requiring complex active scanning or multiple cameras
Solution Approach 2:
The system replaces mechanical scanning or multiple fixed cameras with wireless position-sensing technology. Instead of physically moving the camera or using multiple mechanical units, the system uses electronic position measurement via wireless sensors to achieve the same tracking functionality with simpler mechanics
Data Source
AI summary
A surveillance system is provided including an Internet-enabled (IP) camera and nodes that determine the location of a plurality of sensors, which are wirelessly connected to the IP camera. The nodes determine the position of the plurality of sensors and the IP camera through the use of position determining techniques including multilateration, trilateration, and triangulation. Additionally, line of sight positioning methods and global positioning system devices may be used in setting up a positional awareness system, which enables the IP camera to control systems based on condition information and positional awareness.