Journal article Open Access

A Low-Power VGA Vision Sensor with Embedded Event Detection for Outdoor Edge Applications

Zou, Yu; Gottardi, Massimo; Lecca, Michela; Perenzoni, Matteo


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{
  "description": "<p>We report on a low-power VGA vision sensor embedding event-detection capabilities targeted to battery-powered vision processing at the edge. The sensor relies on an always-on double-threshold dynamic background subtraction (DT-DBS) algorithm. The resulting motion bitmap is de-noised, projected along xy-axes of the array of pixels and filtered to robustly detect moving targets even in noisy outdoor scenarios. The chip operates in motion detection (MD), applied on a QQVGA sub-sampled image, looking for anomalous motion in the scene at 344 &mu;W, and in imaging mode (IM), delivering full-resolution gray-scale images with associated local binary pattern (LBP) coding and motion bitmaps at 8 frames/s and 1.35 mW. The 4-&mu;m pixel vision sensor is manufactured in a 110-nm 1P4M CMOS and occupies 25.4 mm&sup2;.</p>", 
  "license": "https://creativecommons.org/licenses/by/4.0/legalcode", 
  "creator": [
    {
      "affiliation": "FBK", 
      "@type": "Person", 
      "name": "Zou, Yu"
    }, 
    {
      "affiliation": "FBK", 
      "@id": "https://orcid.org/0000-0003-0742-4642", 
      "@type": "Person", 
      "name": "Gottardi, Massimo"
    }, 
    {
      "affiliation": "FBK", 
      "@id": "https://orcid.org/0000-0001-7961-0212", 
      "@type": "Person", 
      "name": "Lecca, Michela"
    }, 
    {
      "affiliation": "FBK", 
      "@id": "https://orcid.org/0000-0001-8777-1593", 
      "@type": "Person", 
      "name": "Perenzoni, Matteo"
    }
  ], 
  "headline": "A Low-Power VGA Vision Sensor with Embedded Event Detection for Outdoor Edge Applications", 
  "image": "https://zenodo.org/static/img/logos/zenodo-gradient-round.svg", 
  "datePublished": "2020-07-13", 
  "url": "https://zenodo.org/record/4059748", 
  "keywords": [
    "Background subtraction, event detection, local binary pattern, low-power vision sensors, motion detection"
  ], 
  "@context": "https://schema.org/", 
  "identifier": "https://doi.org/10.1109/JSSC.2020.3005759", 
  "@id": "https://doi.org/10.1109/JSSC.2020.3005759", 
  "@type": "ScholarlyArticle", 
  "name": "A Low-Power VGA Vision Sensor with Embedded Event Detection for Outdoor Edge Applications"
}
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