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conference paper

Material Classification Using Color and NIR Images

Salamati, Neda  
•
Fredembach, Clément
•
Süsstrunk, Sabine  
2009
Proc. IS&T/SID 17th Color Imaging Conference (CIC)
IS&T/SID 17th Color Imaging Conference (CIC)

Material classification is becoming more important in computer vision and digital photography applications, which require accurate classification of objects present in the imaged scene. This is a very challenging task because the sheer diversity of scene content and lighting conditions decreases the usefulness of many color- and texture-based features used in image classification. In this work, we investigate the potential offered by using information outside of the visible spectrum, specifically the near-infrared (NIR). The difference in the NIR images’ intensities is not just due to the particular color of the material, but also absorption and reflectance characteristics of the colorant. This relative independency of NIR and color information makes NIR images a prime candidate for classification. The database, on which the training and testing were conducted, consists of textile, tile, linoleum and wood samples. To classify the materials, visible and NIR images were analyzed according to their lightness, texture, and color. The analysis results were the input to a classifier in form of feature vectors. The results show that our database is classified almost exactly. Comparing with visible-only features, wood and textile samples were better classified due to the additional information the NIR images provide.

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Type
conference paper
Web of Science ID

WOS:000290064200040

Author(s)
Salamati, Neda  
Fredembach, Clément
Süsstrunk, Sabine  
Date Issued

2009

Published in
Proc. IS&T/SID 17th Color Imaging Conference (CIC)
Subjects

IVRG

•

LCAV

•

Near-Infrared Imaging

•

Material Classification

•

Scene Analysis

•

Texture Analysis

•

Color Features

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
IVRL  
Event nameEvent placeEvent date
IS&T/SID 17th Color Imaging Conference (CIC)

Albuquerque, NM, USA

11-13 November, 2009

Available on Infoscience
November 17, 2009
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/44266
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