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Journal of Electronic Imaging • Open Access

Hyperspectral imaging applied to demolition waste recycling: innovative approach for product quality control
Author(s): Silvia Serranti; Roberta Palmieri; Giuseppe Bonifazi

Paper Abstract

Hyperspectral imaging (HSI) based sensing devices were utilized to develop nondestructive, rapid, and low cost analytical strategies finalized to detect and characterize materials constituting demolition waste. In detail, HSI was applied for quality control of high-grade recycled aggregates obtained from end-of-life concrete. The described HSI quality control approach is based on the utilization of a platform working in the near-infrared range (1000–1700 nm). The acquired hyperspectral images were analyzed by applying different chemometric methods: principal component analysis for data exploration and partial least-square-discriminant analysis to build classification models. Results showed that it is possible to recognize the recycled aggregates from different contaminants (e.g., brick, gypsum, plastic, wood, foam, and so on), allowing the quality control of the recycled flow stream.

Paper Details

Date Published: 23 July 2015
PDF: 9 pages
J. Electron. Imaging. 24(4) 043003 doi: 10.1117/1.JEI.24.4.043003
Published in: Journal of Electronic Imaging Volume 24, Issue 4
Show Author Affiliations
Silvia Serranti, Sapienza Univ. di Roma (Italy)
Roberta Palmieri, Sapienza Univ. di Roma (Italy)
Giuseppe Bonifazi, Sapienza Univ. di Roma (Italy)

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