Camera-based fall detection using a particle filter
More than thirty percent of persons over 65 years fall at least once a year and are often not able to get up again. The lack of timely aid after such a fall incident can lead to severe complications. This timely aid can however be assured by a camera-based fall detection system triggering an alarm w...
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| Veröffentlicht in: | 2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) Jg. 2015; S. 6947 - 6950 |
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| Format: | Tagungsbericht Journal Article |
| Sprache: | Englisch |
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United States
IEEE
01.01.2015
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| ISSN: | 1094-687X, 1557-170X, 2694-0604, 2694-0604 |
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| Abstract | More than thirty percent of persons over 65 years fall at least once a year and are often not able to get up again. The lack of timely aid after such a fall incident can lead to severe complications. This timely aid can however be assured by a camera-based fall detection system triggering an alarm when a fall occurs. Most algorithms described in literature use the biggest object detected using background subtraction to extract the fall features. In this paper we compare the performance of our state-of-the-art fall detection algorithm when using only background subtraction, when using a particle filter to track the person and a hybrid method in which the particle filter is only used to enhance the background subtraction and not for the feature extraction. We tested this using our simulation data set containing reenactments of real-life falls. This comparison shows that this hybrid method significantly increases the sensitivity and robustness of the fall detection algorithm resulting in a sensitivity of 76.1% and a PPV of 41.2%. |
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| AbstractList | More than thirty percent of persons over 65 years fall at least once a year and are often not able to get up again. The lack of timely aid after such a fall incident can lead to severe complications. This timely aid can however be assured by a camera-based fall detection system triggering an alarm when a fall occurs. Most algorithms described in literature use the biggest object detected using background subtraction to extract the fall features. In this paper we compare the performance of our state-of-the-art fall detection algorithm when using only background subtraction, when using a particle filter to track the person and a hybrid method in which the particle filter is only used to enhance the background subtraction and not for the feature extraction. We tested this using our simulation data set containing reenactments of real-life falls. This comparison shows that this hybrid method significantly increases the sensitivity and robustness of the fall detection algorithm resulting in a sensitivity of 76.1% and a PPV of 41.2%. More than thirty percent of persons over 65 years fall at least once a year and are often not able to get up again. The lack of timely aid after such a fall incident can lead to severe complications. This timely aid can however be assured by a camera-based fall detection system triggering an alarm when a fall occurs. Most algorithms described in literature use the biggest object detected using background subtraction to extract the fall features. In this paper we compare the performance of our state-of-the-art fall detection algorithm when using only background subtraction, when using a particle filter to track the person and a hybrid method in which the particle filter is only used to enhance the background subtraction and not for the feature extraction. We tested this using our simulation data set containing reenactments of real-life falls. This comparison shows that this hybrid method significantly increases the sensitivity and robustness of the fall detection algorithm resulting in a sensitivity of 76.1% and a PPV of 41.2%.More than thirty percent of persons over 65 years fall at least once a year and are often not able to get up again. The lack of timely aid after such a fall incident can lead to severe complications. This timely aid can however be assured by a camera-based fall detection system triggering an alarm when a fall occurs. Most algorithms described in literature use the biggest object detected using background subtraction to extract the fall features. In this paper we compare the performance of our state-of-the-art fall detection algorithm when using only background subtraction, when using a particle filter to track the person and a hybrid method in which the particle filter is only used to enhance the background subtraction and not for the feature extraction. We tested this using our simulation data set containing reenactments of real-life falls. This comparison shows that this hybrid method significantly increases the sensitivity and robustness of the fall detection algorithm resulting in a sensitivity of 76.1% and a PPV of 41.2%. |
| Author | Debard, Glen Tuytelaars, Tinne Goedeme, Toon Vanrumste, Bart Baldewijns, Greet |
| Author_xml | – sequence: 1 givenname: Glen surname: Debard fullname: Debard, Glen email: glen.debard@thomasmore.be organization: MOBILAB, Thomas More Kempen, Geel, Belgium – sequence: 2 givenname: Greet surname: Baldewijns fullname: Baldewijns, Greet organization: Technol. Campus Geel, KU Leuven, Geel, Belgium – sequence: 3 givenname: Toon surname: Goedeme fullname: Goedeme, Toon organization: ESAT, KU Leuven, Leuven, Belgium – sequence: 4 givenname: Tinne surname: Tuytelaars fullname: Tuytelaars, Tinne organization: ESAT, KU Leuven, Leuven, Belgium – sequence: 5 givenname: Bart surname: Vanrumste fullname: Vanrumste, Bart organization: Technol. Campus Geel, KU Leuven, Geel, Belgium |
| BackLink | https://www.ncbi.nlm.nih.gov/pubmed/26737890$$D View this record in MEDLINE/PubMed |
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| SubjectTerms | Accidental Falls Aged Algorithms Atmospheric measurements Detection algorithms Feature extraction Filtration - instrumentation Histograms Humans Image color analysis Photography - instrumentation Sensitivity Tracking |
| Title | Camera-based fall detection using a particle filter |
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