Improved Appearance-Based 3-D Object Recognition Using Wavelets

M. Reinhold, D. Paulus, H. Niemann

To appear at Vision, Modelling and Visualization (VMV01), Stuttgart, Germany, November 21 - 23, 2001


Abstract

In this paper we present an improved approach for the localization and classification of 3-D objects in 2-D gray level images. We use an appearance-based approach and calculate local feature vectors by the coefficients of the wavelet multiresolution analysis. Thereby the features are modelled statistically. Since the appearance of the objects, i.e. also the size of the objects in the image, vary due to out-of-image-plane transformations, the features themselves as well as the region of interest are modelled as function of the external transformations. We present and test different measurements for the recognition. The experiments on a large dataset with more than 40000 images show that the approach is well suited for this recognition task.


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