Vehicle Image Recording Device with Partial Area Selection
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Solution Overview
Problem
Existing vehicle recording devices face challenges in quickly accessing and accurately recognizing license plate numbers due to their low resolution recording mechanisms, which require large memory capacity and hinder efficient data retrieval for traffic information.
Innovation Solution
An image recording device equipped with multiple image capturing modules and a processor that captures images, selects partial areas, generates adjusted images by reducing pixels, and stitches images to create integrated high-resolution panoramic views, allowing for efficient data processing and storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If high-resolution recording is used, then image quality and license plate recognition accuracy are improved, but memory card capacity requirements increase
Solution Approach 1:
The patent divides the recording content into two segments: full-resolution images captured at lower frequency intervals and downsampled images captured at higher frequency intervals. This segmentation allows the system to maintain high license plate recognition accuracy using full-resolution images while reducing overall memory usage by storing more numerous but smaller downsampled images, thereby resolving the contradiction between image quality and memory capacity requirements.
2Loss of information
If continuous high-resolution recording is used, then traffic information detail is improved, but data processing time and storage requirements increase
Solution Approach 1:
The patent implements periodic action by capturing images at different resolutions at different time intervals. Full-resolution images are captured periodically at longer intervals when detailed information is most needed, while downsampled images are captured more frequently at shorter intervals for continuous monitoring. This periodic variation in recording resolution and frequency reduces overall data processing time while maintaining traffic information detail when required.
3Quantity of substance
If low-resolution recording is used, then memory card capacity is reduced, but license plate recognition accuracy deteriorates
Solution Approach 1:
The patent applies local quality by assigning different resolution qualities to different portions of the recording data. Full-resolution images are stored at specific time intervals when high detail is needed for license plate recognition, while other portions use downsampled images. This local differentiation of quality allows the system to maintain license plate recognition accuracy in critical moments while reducing overall memory card capacity requirements through selective resolution adjustment.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables quick access to high-resolution traffic information, facilitating the identification of license plate numbers and improving the accuracy of accident analysis with limited hardware resources.
Implementation Method 1
a first sensor catching a light beam passing through the first lens and providing a first image
Data Source
AI summary
An image recording device and an image processing method are provided. The image recording device includes a first image capturing module, a processor and a storage module. The first image capturing module includes a first lens and a first sensor catching a light beam passing through the first lens and providing a first image; the processor receives the first image, selects a first partial area of the first image, copies image data of the first partial area and provides a first partial image, and performs image process on the first image and generates a first adjusted image; and the storage module stores the first image, the first partial image and the first adjusted image.