Video Recording Device Dynamic Quality Conversion Storage
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Solution Overview
Problem
Video recording devices face challenges in balancing video quality and storage space, particularly in vehicle recorders, where high-quality videos require more space, and lower resolution videos may lose important data, such as license plate numbers or vehicle types.
Innovation Solution
A video recording device with an image capturing module, storage unit, and processing unit that captures raw videos in a high-quality format and converts earlier sessions to a lower quality format while preserving the latest session's quality, allowing for efficient storage and retrieval of detailed information, especially during critical events like collisions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If video is recorded in high-quality format, then video quality is improved, but storage space is consumed faster
Solution Approach 1:
The video recording system divides storage into multiple storage spaces with different quality levels. Older video sessions are stored in lower-quality formats in first storage spaces, while the latest video session is preserved in high-quality format in second storage spaces. This segmentation allows the system to maintain high video quality for recent recordings while conserving storage space for historical data.
Solution Approach 2:
Different portions of the video data are assigned different quality levels based on their temporal relevance. The latest video session receives high-quality preservation with all original information, while earlier sessions are converted to lower-quality formats. This local quality differentiation ensures that critical recent footage maintains high detail while older footage occupies less storage space.
2Quantity of substance
If video resolution is reduced to save space, then storage capacity is improved, but important data is lost
Solution Approach 1:
The system proactively preserves the latest video session in high-quality format before any potential need arises. By pre-allocating second storage spaces specifically for high-quality recent footage, the system ensures that important data is never lost due to space constraints, while still achieving overall storage efficiency through lower-quality archival of older sessions.
3Manufacturing precision
If all video sessions are stored in high-quality format, then video quality is maintained, but storage efficiency decreases
Solution Approach 1:
The storage system dynamically adjusts video quality based on temporal factors. As video sessions age, their storage quality transitions from high to low. The latest session always maintains high quality, while older sessions are converted to space-efficient formats. This dynamic quality adjustment optimizes storage efficiency while preserving video quality when it matters most.
Data Source
AI summary
A video recording device includes an image capturing module, a storage unit and a processing unit. The image capturing module is configured to capture a raw video in a first video format. The processing unit is configured to convert video session(s) other than the lately captured video content from the first video format into a second video format. The second video format is inferior than the first video format.