5.7 Conclusions
In this research, a 3D object classification technique using a single hologram has been presented. The PCA-FLD classifier with feature vectors based on Gabor wavelets has been utilized for this purpose. Training and test data of the 3D objects were obtained by computational holographic imaging. We were able to classify 3D objects used in the experiments with a few reconstructed planes of the hologram. The Gabor approach appears to be a good feature extractor for hologram-based 3D classification. The FLD combined with the PCA proved to be a very efficient classifier even with a few training data. Substantial dimensionality reduction was achieved by using the proposed technique for 3D classification problem using holographic imaging. As a consequence, we were able to classify different classes of 3D objects using computer-reconstructed holographic images.
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Yeom, S., Javidi, B. (2006). 3D Object Recognition using Gabor Feature Extraction and PCA-FLD Projections of Holographically Sensed Data. In: Javidi, B. (eds) Optical Imaging Sensors and Systems for Homeland Security Applications. Advanced Sciences and Technologies for Security Applications, vol 2. Springer, New York, NY. https://doi.org/10.1007/0-387-28001-4_5
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DOI: https://doi.org/10.1007/0-387-28001-4_5
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