Handling Data Scarcity Through Data Augmentation in Training of Deep Neural Networks for 3D Data Processing

Akhilesh Mohan Srivastava, Priyanka Ajay Rotte, Arushi Jain and Surya Prakash
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Akhilesh Mohan Srivastava: Indian Institute of Technology, Indore, India
Priyanka Ajay Rotte: Indian Institute of Technology, Indore, India
Arushi Jain: Indian Institute of Technology, Indore, India
Surya Prakash: Indian Institute of Technology, Indore, India

International Journal on Semantic Web and Information Systems (IJSWIS), 2022, vol. 18, issue 1, 1-16

Abstract: Due to the availability of cheap 3D sensors such as Kinect and LiDAR, the use of 3D data in various domains such as manufacturing, healthcare, and retail to achieve operational safety, improved outcomes, and enhanced customer experience has gained momentum in recent years. In many of these domains, object recognition is being performed using 3D data against the difficulties posed by illumination, pose variation, scaling, etc present in 2D data. In this work, we propose three data augmentation techniques for 3D data in point cloud representation that use sub-sampling. We then verify that the 3D samples created through data augmentation carry the same information by comparing the Iterative Closest Point Registration Error within the sub-samples, between the sub-samples and their parent sample, between the sub-samples with different parents and the same subject, and finally, between the sub-samples of different subjects. We also verify that the augmented sub-samples have the same characteristics and features as those of the original 3D point cloud by applying the Central Limit Theorem.

Date: 2022
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