HD and megapixel video surveillance has been a hot topic for the security industry, and the trend for IP video installations has been toward the installation of HD and megapixel cameras instead of standard-resolution IP cameras. In this guest column for SecurityInfoWatch.com (the website for Security Dealer and Integrator magazine), Raul Calderon, Senior Vice President of Marketing and Product Management for Arecont Vision puts forth the argument for using megapixel video and explains the differences and similarities between HD and megapixel security cameras.