2019
DOI: 10.3390/s19061366
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In-Vivo Vibroacoustic Surveillance of Trees in the Context of the IoT

Abstract: This work introduces a device for long term systematic monitoring of trees against borers. A widely applied way to detect wood-boring insects is to insert a piezoelectric probe with an uncoated waveguide in the tree trunk and listen for locomotion or feeding sounds through headphones. This approach has several shortcomings: (a) frequent manual inspection of trees is costly and impractical to scale to hundreds or thousands of trees, (b) the larvae could be present but inactive during the inspection time and, (c… Show more

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Cited by 34 publications
(38 citation statements)
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“…IoT solutions for disease prevention aimed to identify and prevent diseases on plantations. For this purpose, these IoT solutions collected multiple environmental and plantation data, such as images of plants [ 129 , 132 , 134 ], sounds [ 135 ], temperature, humidity, etc. [ 131 , 137 ].…”
Section: Discussionmentioning
confidence: 99%
“…IoT solutions for disease prevention aimed to identify and prevent diseases on plantations. For this purpose, these IoT solutions collected multiple environmental and plantation data, such as images of plants [ 129 , 132 , 134 ], sounds [ 135 ], temperature, humidity, etc. [ 131 , 137 ].…”
Section: Discussionmentioning
confidence: 99%
“…A mildly intrusive and widely applied method for inspection of commodities is based on inserting a piezoelectric probe in the tree trunk to listen for potential internal audio activity due to feeding and locomotion (i.e. passive acoustic detection) [11][12][13][14][15][16][17][18]. The feeding activity is audible [12][13][14][15][16][17] in two of the biological stages of the insect a) when the mature larvae tunnel into the sapwood or heartwood to form a pupal chamber (February-April), and b) after their exoskeleton is fully hardened and the adults dig emergence tunnels through the bark to exit the trunk (late spring to summer).…”
Section: Imentioning
confidence: 99%
“…egg or pupa) but will evolve in the short run, or the trunk may have low infestation load and the pest may not be chewing during the inspection's time-slot. We have shown in [18] that a piezoelectric device can record and transmit the vibrations picked by a probe inserted in a tree. The emphasis of this work is not on hardware implementation but on the nature of this particular vibrational signal and its classification in the presence of other vibrational interferences commonly existing in the field.…”
Section: Imentioning
confidence: 99%
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