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7 µW always on Audio feature extraction with filter banks on TSMC 22nm uLL
FPGA-based video surveillance comes of age
Kambiz Khalilian, Lattice Semiconductor
EETimes (10/10/2012 3:05 PM EDT)
Video surveillance market and trends
Escalating security concerns have forced governments and institutions to invest heavily in surveillance and security equipment. Further, technological innovations in imaging and video processing have revolutionized the video surveillance industry, which is not limited to security but includes banking, transportation, education, retail, healthcare, gaming, and other areas as well. According to ABI Research, overall video surveillance market revenue will increase from $16 billion in 2008 to $29 billion in 2015, with a CAGR of 9%.
Video surveillance has been transformed from analog standard-definition cameras and VCRs, to megapixel and high-definition cameras and DVRs to networked IP cameras streaming video over Ethernet, to cloud-based network video recorders (NVR). Instead of live viewing, continuous recording and visual searches through recorded material, intelligent cameras and recorders now enable event-based recording and alarm triggering, and automated searches through recorded material.
These advances in security and surveillance are tightly coupled with advances in the image sensor technologies and image signal processing capabilities of semiconductors. These include camera architectures, sensor interfacing/sensor bridges, image signal processing, High Dynamic Range (HDR) processing and video analytics.
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