Fast segmentation of point clouds using a convolutional neural network for helping visually impaired people find the closest traversable region

Abstract

In this paper, we introduce an approach for helping visually impaired people to find the closest-to-user traversable region. The aim of our work is to reduce the computational cost of this task. For this purpose, we develop a convolutional neural network that classifies patches to segment floor regions in a point cloud. Segmented regions are evaluated by their size and position in the point cloud to identify the closest-to-user traversable region. We evaluate our approach using the NYU-v2 dataset and find that by searching only in the lower section of the point cloud, it is possible to reduce the processing time while finding the closest floor regions. Our approach reports a better processing time than related works, making it suitable to quickly find the closest-to-user traversable region in point clouds.

Construction of electric emergency materials storage system based on BP neural network

“…Other researchers believe that the purpose of emergency inventory is to keep it within a reasonable range, not to cause inventory shortage due to supply bottlenecks, provided that emergency care is guaranteed [3][4]. Other researchers are using mobile digital terminals and QR code scanning technology to overcome the shortcomings of traditional manual and non-mobile warehouse management [5][6]. The power emergency material storage system is a comprehensive multi-level control system, which requires the cooperation of multiple departments.…”