Touchscreen CMS Zoom Control for Commercial Vehicle Object Viewing
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Solution Overview
Problem
Existing vehicle camera systems lack intuitive and efficient methods for adjusting zoom levels and providing enhanced views of the vehicle's surroundings, particularly for commercial vehicles, which can benefit from improved object detection and zoom control to enhance driver awareness.
Innovation Solution
A camera monitor system (CMS) with touchscreen-based zoom features that utilizes object detection algorithms to identify predefined items, allowing users to adjust zoom levels through pinch and reverse pinch commands, and includes visual notifications and confirmation prompts for precise zoom control, enabling enhanced image feeds on multiple displays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional camera systems are used without touchscreen controls, then the system structure remains simple, but the ease of operation for adjusting zoom levels and viewing surroundings is poor
Solution Approach 1:
The patent replaces traditional mechanical camera controls with a touchscreen interface that uses software-based zoom controls. The touchscreen display allows operators to interact with the camera system through graphical user interface elements rather than physical mechanical adjustments, improving ease of operation while maintaining acceptable system complexity through software implementation.
Solution Approach 2:
The touchscreen interface serves multiple functions including zoom control, panning control, and general camera operation. By making the touchscreen a universal control interface for various camera functions, the system improves ease of operation without proportionally increasing device complexity, as the same hardware component handles multiple tasks.
2Measurement precision
If zoom level is increased to see details, then the field of view is reduced, but the ability to see surrounding environment is improved
Solution Approach 1:
The patent implements dynamic zoom control where the zoom level can be adjusted in real-time based on operational needs. The system allows operators to dynamically change between wide-field views for situational awareness and zoomed-in views for detailed observation, with the ability to pan across the scene at different zoom levels. This dynamic adjustment capability resolves the contradiction by allowing the system to adapt to different viewing requirements rather than being fixed at a single zoom level.
3Loss of information
If object detection algorithm is used to identify predefined items, then the visibility of specific items is enhanced, but the processing time and system complexity increase
Solution Approach 1:
The patent introduces an object detection algorithm as an intermediary layer between the camera feed and the display. This algorithm automatically identifies and highlights predefined items of interest (such as pedestrians, animals, or specific vehicles) by overlaying visual indicators on the camera image. This reduces information loss by ensuring critical objects are noticed, while managing complexity through software-based processing rather than hardware modifications.
4Ease of operation
If touchscreen interface is added to CMS display, then the ease of operation for zoom control is improved, but the device complexity increases
Solution Approach 1:
The patent merges the touchscreen interface directly with the CMS display, combining what would traditionally be separate components into a single integrated unit. This integration improves ease of operation by providing direct tactile control on the display itself, while managing device complexity through consolidation rather than addition of separate control systems.
Data Source
AI summary
A method for a camera monitor system (CMS) includes displaying image feeds from a plurality of CMS cameras on a plurality of CMS displays. The image feeds depict an environment surrounding a commercial vehicle. The method also includes receiving a touchscreen command for a particular one of the CMS displays on a touchscreen interface and adjusting a zoom level of the image feed on the particular one of the CMS displays based on the touchscreen command. A camera monitor system (CMS) is also disclosed.