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240222s2024 xx |||||o 00| ||eng c |
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|a 10.1177/0734242X241231410
|2 doi
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|a pubmed24n1523.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Kronenwett, Felix
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Sensor-based characterization of construction and demolition waste at high occupancy densities using synthetic training data and deep learning
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| 264 |
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|c 2024
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 01.09.2024
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|a Date Revised 04.09.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Sensor-based monitoring of construction and demolition waste (CDW) streams plays an important role in recycling (RC). Extracted knowledge about the composition of a material stream helps identifying RC paths, optimizing processing plants and form the basis for sorting. To enable economical use, it is necessary to ensure robust detection of individual objects even with high material throughput. Conventional algorithms struggle with resulting high occupancy densities and object overlap, making deep learning object detection methods more promising. In this study, different deep learning architectures for object detection (Region-based CNN/Region-based Convolutional Neural Network (Faster R-CNN), You only look once (YOLOv3), Single Shot MultiBox Detector (SSD)) are investigated with respect to their suitability for CDW characterization. A mixture of brick and sand-lime brick is considered as an exemplary waste stream. Particular attention is paid to detection performance with increasing occupancy density and particle overlap. A method for the generation of synthetic training images is presented, which avoids time-consuming manual labelling. By testing the models trained on synthetic data on real images, the success of the method is demonstrated. Requirements for synthetic training data composition, potential improvements and simplifications of different architecture approaches are discussed based on the characteristic of the detection task. In addition, the required inference time of the presented models is investigated to ensure their suitability for use under real-time conditions
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|a Journal Article
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|a Machine learning
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| 650 |
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4 |
|a circular economy
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| 650 |
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4 |
|a construction and demolition waste
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| 650 |
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4 |
|a object detection
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| 650 |
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4 |
|a sensor-based sorting
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| 650 |
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4 |
|a synthetic data
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| 700 |
1 |
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|a Maier, Georg
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Leiss, Norbert
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gruna, Robin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Thome, Volker
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Längle, Thomas
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
|d 1991
|g 42(2024), 9 vom: 01. Sept., Seite 788-796
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnns
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| 773 |
1 |
8 |
|g volume:42
|g year:2024
|g number:9
|g day:01
|g month:09
|g pages:788-796
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| 856 |
4 |
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|u http://dx.doi.org/10.1177/0734242X241231410
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