Video Surveillance Implementation Using FPGAs - Altera

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Video Surveillance Implementation Using FPGAs Altera Corporation Figure 5. 2D Filter GUI Video Compression Several third parties have video compression solutions targeting Altera FPGAs and structured ASICs. Table 2 lists some of the common video compression standards and the associated third parties. Table 3. Third-Party Video Compression Solutions Function Company H.264 Main and High Profile ATEME H.264 Baseline Profile CAST, W&W, 4i2i JPEG/JPEG2000 Barco, Broadmotion, CAST MPEG4 SP/ASP Barco, CAST, 4i2i Video Over IP Altera offers a reference design for video over IP. The design transmits video transport stream (TS) data over IP-based networks, bridging one or more compressed video streams and IP packets over 100-Mbps or 1-Gbps Ethernet. The reference design accepts TS data and encapsulates it for transmission over Ethernet, as well as receiving frames from Ethernet and generating TS data. 6
Altera Corporation Video Surveillance Implementation Using FPGAs Encapsulation of the TS data for Ethernet uses IP and the user datagram protocol (UDP). Optionally, the real-time transport protocol (RTP) can also be used. Dedicated hardware performs the encapsulation, maximizing the throughput of the reference design and minimizing latency. Frames can be processed, transmitted, and received at the Ethernet line rate, which supports an aggregate TS bandwidth of over 900 Mbps for a gigabit Ethernet link. For multiple TS interfaces, the reference design individually maps each one to a specific UDP/IP socket (combination of IP address and UDP port). All other encapsulation parameters also can be individually configured per TS. The reference design supports IP multicast and includes a Nios ® II processor. Software running on the Nios II processor configures the operation of the reference design and handles any Ethernet management traffic. Systems Interfaces Altera and its partners offer several interface cores that are relevant to video surveillance systems. These include DDR2 SDR DRAM Controllers, ATA Hard Disk Drive Controller, and PCI Express. Benchmarks An 4-channel D1 solution or 16-channel CIF solution with H.264 baseline profile encoding, deinterlacing, scaling, color space conversion, and noise reduction using 2D FIR filtering can be implemented in Altera's Cyclone III EP3C55 FPGA. Conclusion The ideal surveillance architecture will have the following characteristics: high performance, flexibility, easy upgradability, low development cost, and a migration path to lower cost as the application matures and volume ramps. Altera's FPGAs in conjunction with the feature-rich Altera Video and Image Processing Suite, Altera Video over IP reference design, and partner's compression solutions offer video system designers all the key building blocks needed to produce such a system. Further Information ■ Altera's Video and Image Processing Solutions website: www.altera.com\video_imaging ■ Altera’s Video Processing Reference Design: www.altera.com/end-markets/refdesigns/sys-sol/broadcast/ref-post-processing.html Acknowledgements ■ Tam Do, Senior Technical Marketing Manager, Broadcast/Automotive/Consumer Business Unit, Altera Corporation 101 Innovation Drive San Jose, CA 95134 (408) 544-7000 http://www.altera.com Copyright © 2007 Altera Corporation. All rights reserved. Altera, The Programmable Solutions Company, the stylized Altera logo, specific device designations, and all other words and logos that are identified as trademarks and/or service marks are, unless noted otherwise, the trademarks and service marks of Altera Corporation in the U.S. and other countries. All other product or service names are the property of their respective holders. Altera products are protected under numerous U.S. and foreign patents and pending applications, maskwork rights, and copyrights. Altera warrants performance of its semiconductor products to current specifications in accordance with Altera's standard warranty, but reserves the right to make changes to any products and services at any time without notice. Altera assumes no responsibility or liability arising out of the application or use of any information, product, or service described herein except as expressly agreed to in writing by Altera Corporation. Altera customers are advised to obtain the latest version of device specifications before relying on any published information and before placing orders for products or services. 7
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Video Surveillance Implementation Using FPGAs - Altera

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