System and method for managing memory in a surveillance system

Details System and method for managing memory in a surveillance system System and method for managing memory in a surveillance system

2006-06-06

2006-06-06

Peugh, Brian R. (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S112000, C711S160000

Reexamination Certificate

active

07058771

ABSTRACT:
A control program controls a digital storage device which stores images from digital camera streams. The control program monitors the status of the digital storage device. When the storage device (or portion thereof allocated for image storage) becomes fall and new information needs to be stored therein, the control program directs the storage device to delete information therein to make room for the new information. This is done based on various data parameters, such as the priority of individual messages or data units, the age of each message or data unit, and the like. For example, when information needs to be deleted from a digital storage device to make room for new information, older data of high priority cameras may be saved instead of newer data of low priority cameras. In this way, efficient use of the digital storage system can be made.

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