A geometric framework for parameter identification in solid objects
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A bench-top experimental set-up for use by archaeologists as a portable 3-D scanning and reconstruction apparatus has been developed. The improved versions of the prototype system, realized in this work, are aimed at providing automated modelling and scanning ability to field archaeologists to increase the effectiveness and efficiency in cataloguing the objects recovered from excavations. The apparatus consists of a stereo vision camera mounted on a tripod, along with standard object support equipment laid out on a flat surface. Upon image acquisition and processing, the 3-D data along with the color information is displayed in a coordinate system that is affixed to the flat surface by utilizing the principles of binocular stereopsis. The 3-D data acquired is then used to estimate the parameters of geometric shapes which will aid in the reconstruction of the complete geometric model of the excavated objects. A framework to accomplish the above objectives has been discussed in this document.