Title:
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Ultra high speed optical LADAR
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A new LADAR prototype system has been designed and implemented to be able to
capture the 3D LADAR data from the surfaces of various objects. This system is
designed to have a high technical specification and recognition ability through the using
of new LADAR image descriptors. These descriptors are arise from the chromatic
methodology to extract features from the LADAR images by applying new types of
processors called invariant spatial chromatic processors. This represents the first step
towards using this methodology for processing LADAR images. The descriptors are
developed to have high discrimination ability, robust to the effects that disturb LADAR
images, and required less storage space and computational time for recognition.
The performance of the proposed LADAR descriptors were first evaluated using
simulated LADAR images, which are generated from special software called LADAR
simulator. This software has been written to produce simulated LADAR images under
a wide variety of conditions. It models each stage from the laser source to the data
generation and using proposed approach to be able to deal with complex models and
produces high resolution image with short execution times.
Experimental tests are also being undertaken on the new designed LADAR system
in order to asses its ability to provides 3D images and its recognition performance with
the proposed descriptors.
The simulation results show high discrimination ability for the new descriptors over
the traditional techniques such as Moments descriptor, which is also used to benchmark
the results. The results also show the robustness of the proposed descriptors in the
presence of noise, low resolution, view change, rotation, translation, and scaling effects.
The experimental results show the effectiveness of the LADAR system and its ability
to scan different objects and produce their 3D images with different scanning parameters. The results also show high recognition performance for this systems when using
the new LADAR descriptors compared to using Moments descriptor under the same
variety of scanning condition.
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