Vehicle Camera Mirror Video Tracking for Dynamic Field of View
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Solution Overview
Problem
Camera mirror systems for vehicles provide static video feeds that do not adapt dynamically to changing angles or object movements, limiting their ability to mimic the dynamic field of view offered by traditional mirrors.
Innovation Solution
A vehicle display system that includes a camera, a display, and a processor configured to detect objects and adjust the video feed by panning or magnifying the image based on user input, such as voice commands or gestures, to keep selected objects within the field of view, even as the vehicle moves or changes operational state.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a camera-based mirror system provides a fixed static video feed, then the system structure is simple and reliable, but the field of view cannot adapt dynamically to different viewing angles or object movements
Solution Approach 1:
The patent implements dynamic field of view adjustment by allowing the video feed to be panned, zoomed, and tilted in real-time based on the selected object's movement and the driver's viewing angle, transforming the static camera feed into a dynamic adaptive display that mimics traditional mirror behavior
Solution Approach 2:
The system continuously tracks the selected object's position and movement, and adjusts the video feed accordingly to keep the object centered in the display. This closed-loop feedback mechanism ensures the video feed adapts dynamically to both object motion and driver viewing requirements
2Reliability
If the video feed is adjusted to track a selected object, then the object remains in view enhancing safety, but the system complexity increases with processing and control requirements
Solution Approach 1:
The processor continuously monitors the selected object's position in the video feed and adjusts panning, zooming, and tilting parameters in real-time to maintain the object within the visible field of view, creating a reliable automatic tracking system
Solution Approach 2:
The system automatically detects and tracks the selected object without requiring continuous manual intervention from the driver. The processor autonomously adjusts the video feed parameters to keep the object in view, reducing the cognitive load on the driver while maintaining reliable tracking
3Loss of information
If the video feed provides a wide static field of view, then all areas are visible, but specific objects of interest cannot be maintained in focus as they move
Solution Approach 1:
The system dynamically adjusts the field of view by panning, zooming, and tilting the video feed to follow the selected object's movement. This transforms the static wide field of view into a dynamic focused view that maintains the selected object in the center while adapting to its movement
Solution Approach 2:
The system changes video feed parameters including pan angle, zoom level, and tilt angle to maintain the selected object within the field of view. These parameter adjustments allow the system to transition from a static wide view to a dynamic focused view that tracks object movement
Data Source
AI summary
A vehicle display system according to an example embodiment of the present disclosure includes a camera configured to record images of an area outside a vehicle; a display configured to display a video feed of the recorded images to an occupant of the vehicle (e.g., on a display disposed within a vehicle cabin of the vehicle); and a processor operatively connected to the camera and display. The processor is configured to detect one or more objects in the recorded images; receive a selection of a particular one of the one or more objects from a vehicle occupant; and adjust the video feed based on the selection to keep the particular one of the one or more objects in a field of view of the video feed as the object moves relative to the vehicle.