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Methodologies andTechniques for Reverse EngineeringThe Potential

Summary: Chapter 2
Methodologies andTechniques
for Reverse Engineering­The Potential
for Automation with 3-D Laser Scanners
David Page, Andreas Koschan, and Mongi Abidi, University of Tennessee, USA
In this chapter, we present methodologies and technologies for automating reverse engi-
neering (RE) through digital imaging and computer vision. We begin this chapter with
a definition of RE in terms of generating computer-aided design (CAD) models from
existing objects and components. We use the term computer-aided reverse engineering
(CARE) to describe this process. With this definition, we present a brief overview of the
traditional approach to RE using coordinate measuring machines (CMMs). Then, we
begin the main focus of the chapter where we explore digital imaging and computer vision
as an alternative to CMMs. This exploration begins with data acquisition, where we pre-
sent laser-based range scanners as a promising approach. For these scanners, we explain
and highlight differences in data resolution and scanning rates and contrast those to CMM
performance. Next, we present a processing pipeline for creating CAD models using these
scanners. This processing includes tasks such as view registration, surface integration,
patch reconstruction, model fitting, noise removal, and other functions. This chapter
explains these topics to help the reader understand their importance in designing an RE


Source: Abidi, Mongi A. - Department of Electrical and Computer Engineering, University of Tennessee
Koschan, Andreas - Imaging, Robotics, and Intelligent Systems, University of Tennessee


Collections: Computer Technologies and Information Sciences; Engineering