Dual Sensor In-Vehicle Video System Software Processing
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Solution Overview
Problem
Law enforcement vehicles lack efficient systems for capturing and storing high-quality video, audio, and imagery data in real-time, especially in dynamic situations, which can be costly and require cumbersome hardware upgrades.
Innovation Solution
An in-vehicle video system with two independent image sensors and digital signal processors, a microphone, and a computing system that enables multiple capture modes, allowing for high-resolution video and still image capture, compression, and transmission, with software-driven processing reducing hardware costs and enabling remote updates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional hardware-centric DVR systems are used, then video capture and storage capability is provided, but system cost increases and hardware replacement becomes necessary every 3 years
Solution Approach 1:
The patent replaces the traditional hardware-centric DVR system with a software-driven video system where a mobile data terminal performs all video processing functions through software. This substitution of mechanical hardware with software eliminates the need for expensive dedicated DVR hardware, reducing system cost while maintaining reliable video capture and storage capabilities.
Solution Approach 2:
The mobile data terminal is designed to perform multiple functions including video capture, processing, compression, encryption, transmission, and storage management. This multi-functional approach eliminates the need for separate dedicated DVR hardware, reducing overall system cost while providing reliable video capture and storage capabilities.
2Measurement precision
If hardware upgrades are performed to improve video quality, then capture resolution improves, but system complexity and replacement frequency increase
Solution Approach 1:
The system uses dynamic software updates to improve video capture and processing capabilities rather than static hardware upgrades. The mobile data terminal can receive software updates that enhance resolution, compression algorithms, and processing capabilities, allowing the system to adapt to changing requirements without physical hardware replacement.
Solution Approach 2:
The patent changes operational parameters through software rather than hardware modifications. Improvements in capture resolution and processing quality are achieved by changing software parameters and algorithms in the mobile data terminal, eliminating the need for complex hardware upgrades and reducing replacement frequency.
3Ease of manufacture
If software-driven video system is implemented, then system cost decreases and updates can be done remotely, but requires sophisticated software processing capability
Solution Approach 1:
The patent replaces complex hardware processing requirements with software-based processing in the mobile data terminal. By substituting dedicated hardware with software algorithms, the system achieves lower cost while managing processing requirements through software optimization rather than hardware complexity.
Solution Approach 2:
The system uses software copies and virtual processing to achieve hardware-like performance. The mobile data terminal creates virtual processing environments that replicate the functionality of expensive hardware through software, reducing cost while maintaining processing capability through sophisticated algorithmic approaches.
4Adaptability or versatility
If dual independent image sensors are used, then video and still image capture capability is improved, but device complexity increases
Solution Approach 1:
The patent implements a universal processing system that handles both video and still image capture through a single integrated platform. The mobile data terminal processes both sensor types using the same software framework, allowing the system to maintain versatility while managing complexity through unified processing architecture rather than separate dedicated processing paths.
Data Source
AI summary
An in-vehicle video system comprising a forward-looking video camera system that includes two independent image sensors and associated digital signal processors for processing imagery received from the respective independent image sensors. The in-vehicle-video system may also comprise a microphone and a transmitter; and a computing system for interfacing with the forward-looking video camera system configured to control the capture, storage and processing of video, still images and audio received from the transmitter and the forward-looking video camera system. The computing system is operable to control image capture including enabling the forward-looking video camera system in a plurality of modes, and to command the forward-looking video camera system to transition to a first mode including commanding a first independent image sensor to capture high-resolution video imagery while a second independent image sensor of the two independent image sensors is capturing still images.