Tactile approach to Material Classification - Evaluated with Human Performance

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Knowledge of the physical properties of objects is a requirement to enable effective robotic grasping. Identifying the material from which the object is made, is one such physical property. Characteristics of the material can be retrieved using different sensors; vision-based, tactile based or sound based. Physical contact with materials using tactile sensors can enable the retrieval of detailed information about the material, i.e. compressibility, surface texture and thermal properties. This paper describes a system to classify a wide range of materials based on their thermal properties and surface texture. This system will work towards a combined system using both tactile sensing and vision based sensing. Following acquisition of data from a sophisticated tactile sensor, the system uses principal component analysis (PCA) to extract features from the data which are used to train a two stage Artificial Neural Network (ANN) to classify materials, first into groups and then as individual materials. The system is compared with human performance and the results demonstrate that the proposed system can almost performed as effectively as humans.
Original languageEnglish
Title of host publicationUnknown Host Publication
PublisherUlster University
Pages175-180
Number of pages6
Publication statusPublished (in print/issue) - 27 Aug 2014
EventIrish Machine Vision and Image Processing 2014 -
Duration: 27 Aug 2014 → …

Conference

ConferenceIrish Machine Vision and Image Processing 2014
Period27/08/14 → …

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