A 41 mW VGA@30 fps quadtree video encoder for video surveillance systems

Qin Liu, Seiichiro Hiratsuka, Kazunori Shimizu, Shinsuke Ushiki, Satoshi Goto, Takeshi Ikenaga

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Video surveillance systems have a huge market, as indicated by the number of installed cameras, particularly for low-power systems. In this paper, we propose a low-power quadtree video encoder for video surveillance systems. It features a low-complexity motion estimation algorithm, an application-specific ME-MC processor, a dedicated quadtree encoder engine and a processor control-based clock gating technique. A chip capable of encoding 30 fps VGA (640 x 480) at 80 MHz is fabricated using 0,l8iim CMOS technology. A total of 153 K gates with 558 kbits SRAM have been integrated into a 5.0mm x 3.5mm die. The power consumption is 40.87mW at 80 MHz for VGA at 30 fps and 1.97 mW at 3.3 MHz for QCIF at 15 fps.

Original languageEnglish
Pages (from-to)449-456
Number of pages8
JournalIEICE Transactions on Electronics
VolumeE91-C
Issue number4
DOIs
Publication statusPublished - 2008 Apr

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Static random access storage
Motion estimation
Clocks
Electric power utilization
Cameras
Engines

Keywords

  • Low power consumption
  • ME-MC processo
  • Motion estimation
  • Quadtree
  • Video surveillance system

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials

Cite this

A 41 mW VGA@30 fps quadtree video encoder for video surveillance systems. / Liu, Qin; Hiratsuka, Seiichiro; Shimizu, Kazunori; Ushiki, Shinsuke; Goto, Satoshi; Ikenaga, Takeshi.

In: IEICE Transactions on Electronics, Vol. E91-C, No. 4, 04.2008, p. 449-456.

Research output: Contribution to journalArticle

Liu, Qin ; Hiratsuka, Seiichiro ; Shimizu, Kazunori ; Ushiki, Shinsuke ; Goto, Satoshi ; Ikenaga, Takeshi. / A 41 mW VGA@30 fps quadtree video encoder for video surveillance systems. In: IEICE Transactions on Electronics. 2008 ; Vol. E91-C, No. 4. pp. 449-456.
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