TreeScan V and frame mosaicing : thesis submitted in partial fulfilment of the requirements of the Masterate Degree in Information Engineering, Department of Production Technology, Massey University
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Date
1997
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Massey University
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Abstract
In 1993 the Department of Production Technology carried out a feasibility study of applying digital imaging technology in the pre-harvest inventory assessment for the forestry industry. Consequently a scanning mechanism was developed to capture a series of overlapping images along the stem of a tree. These overlapping images needed to be registered and combined to form a single long and thin high resolution image of the tree. This report describes different methods of finding the overlaps between the consecutive images. Algorithms developed here fall into two broad categories: Spatial Domain and Frequency Domain feature matching. Comparison of different algorithms is made and advantages and disadvantages of each one are discussed. Finally a robust algorithm is developed which combines the strengths of the other algorithms.
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Keywords
Image processing, Digital techniques, Instruments, Tree Measurement, Trees, Forest management