Abstract
Today’s smart devices come equipped with powerful hard- and software-enabling professional use cases. The latest hardware by Apple utilizes LiDAR and TrueDepth, which offer the capability of 3D scanning. Devices equipped with these camera systems allow manufacturers to obtain 3D data from their customers at low costs, which potentially enables time-efficient mass customization and product differentiation strategies. However, the utilization is limited by the scanning accuracy. To determine the potential application of LiDAR and TrueDepth as a 3D scanning solution, in this paper an evaluation was performed. For this purpose, different Lego bricks were scanned with the technologies and an industrial 3D scanner. The results were compared according to shape and position tolerances. Even though the industrial 3D scanner consistently delivered more accurate results, the accuracy of the smart device technologies may already be sufficient, depending on the application.
Highlights
To ensure the future competitiveness of manufacturing companies, it is necessary to face constantly changing customer requirements and market turbulence
With LiDAR and TrueDepth technologies included in the newest devices by Apple, even more enhanced possibilities to digitize real objects are offered
reverse engineering (RE) is a process to obtain a 3-dimensional computer model from an existing object through measurements without consideration of functionalities. This process is known as Computer Aided Reverse Engineering (CARE), which involves the steps of data collection, mesh construction and surface fitting [6]
Summary
To ensure the future competitiveness of manufacturing companies, it is necessary to face constantly changing customer requirements and market turbulence. RE is a process to obtain a 3-dimensional computer model from an existing object through measurements without consideration of functionalities This process is known as Computer Aided Reverse Engineering (CARE), which involves the steps of data collection, mesh construction and surface fitting [6]. The process can get time-consuming by inspecting complex structures as well as unknown shapes [6,7,8] An alternative to this procedure is the noncontact method, in which no physical contact to the surface is needed. Noncontact methods are subdivided into different scan technologies including photogrammetry, structured light and Time of Flight (ToF). A common industrial 3D scanner is the Artec Space Spider, which uses structured light as scan technology.
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