Dual-Camera Vehicle Authentication With Conditional Face Capture
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Solution Overview
Problem
Existing vehicle-mount cameras consume excessive power due to continuous image capturing and recognition processes for user authentication, leading to inefficient energy use.
Innovation Solution
A vehicle control apparatus that activates a high-resolution second camera only when a person is detected within a specific area and under certain conditions, such as residence time, direction changes, or size variation, while using a lower-resolution first camera for initial detection to conserve power.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the camera continuously captures images and performs recognition processes for user authentication, then user authentication accuracy is improved, but power consumption increases
Solution Approach 1:
The patent divides the camera system into two segments: a first camera for initial detection and a second camera for detailed authentication. The determination unit segments the detection process into two stages: first detecting whether an object is a person using the first camera, then activating the second camera only when needed for authentication. This segmentation reduces unnecessary power consumption while maintaining authentication accuracy.
Solution Approach 2:
The patent implements dynamic camera activation based on real-time conditions. The camera activation unit dynamically adjusts which camera operates based on the detection results and predefined conditions (such as residence time, direction changes, or size variations). This dynamic approach ensures the high-resolution second camera operates only when necessary, optimizing the balance between authentication reliability and power consumption.
2Measurement precision
If the high-resolution second camera operates continuously, then image authentication accuracy is improved, but power consumption increases
Solution Approach 1:
The patent performs preliminary detection using the first camera before activating the second camera. The determination unit preliminarily assesses whether the detected object requires detailed authentication by checking if it is a person and evaluating additional conditions. This preliminary action filters out unnecessary second camera activations, reducing power consumption while ensuring high-resolution imaging occurs only when authentication is actually needed.
Solution Approach 2:
The patent changes the operational parameters of the camera system based on detected conditions. The camera activation unit monitors parameters such as residence time, direction changes, and image size variations to determine when to activate the second camera. By dynamically adjusting camera operation based on these parameter changes, the system maintains authentication precision while minimizing unnecessary high-resolution camera operation.
3Speed
If the camera activates based on simple proximity detection, then response speed is improved, but false activation increases
Solution Approach 1:
The patent implements a feedback mechanism where the determination unit continuously monitors the captured images and the camera activation unit adjusts activation based on the feedback from condition evaluation. The system provides feedback by evaluating multiple conditions (residence time, direction changes, size variations) and adjusting camera activation accordingly. This feedback loop reduces false activations while maintaining rapid response to legitimate approach attempts.
Data Source
AI summary
A vehicle control apparatus includes: a determination unit for determining, based on an image captured by a first camera with a first resolution, whether an object around a vehicle is a person or not; and a camera activation unit for activating a second camera when an image of the person as the object enters within a first area corresponding to a range of a first predetermined distance from the vehicle on the captured image, the second camera having a second resolution higher than the first resolution.