Face Matching Device Age-Based Reference Selection

The patent segments the reference face images into multiple groups based on capturing time periods. Instead of using a single reference image, the system divides the reference images into first reference images (captured before a reference time) and second reference images (captured at or after the reference time). This segmentation allows the system to select appropriate reference images based on the temporal proximity to the captured image, thereby maintaining high matching accuracy while enabling effective image retrieval and classification across different time periods.

The patent applies preliminary action by pre-capturing and storing multiple reference face images at different time periods before they are needed for matching. The system stores first reference images captured before a reference time and second reference images captured at or after the reference time. This preliminary collection of reference images across different time periods enables the system to accurately match captured images regardless of when they were taken, maintaining high recognition accuracy for both historical and current appearances without requiring continuous updates.

The patent introduces dynamics by making the reference image selection process adaptive rather than static. The system dynamically selects between first reference images and second reference images based on the capturing time of the target image relative to a reference time. This dynamic selection mechanism allows the system to automatically adjust which reference images are used for matching, thereby enhancing its ability to handle images of the same person at different ages while maintaining relatively simple storage structure.