Digital Video Surveillance and Security

1

Introduction to DigitalVideo Security

Introduction

Visual surveillance began in the late nineteenth century to assist prison officials in the discovery of escape methods. It wasn’t until the mid-twentieth century that surveillance expanded to include the security of property and people. The astronomical cost of these first security camera systems, based on traditional silver-based photographic cameras and film, limited their use to government buildings, banks, and casinos. If questionable activity was discovered, the monitoring security firm would develop the films in a secure, private darkroom laboratory to analyze at a later date. Live television ...