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Neuromorphic Sensing and Computing: Technologies and Applications

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Intelligent Sensors".

Deadline for manuscript submissions: 15 July 2024 | Viewed by 885

Special Issue Editor


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Guest Editor
Associate Professor, Department of Smart System Technologies, University of Klagenfurt, 9020 Klagenfurt, Austria
Interests: analog computing; dynamical systems; neuro-computing with applications in systems simulation and ultra-fast differential equations solving; nonlinear oscillatory theory with applications; traffic modeling and simulation; traffic telematics
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Special Issue Information

Dear Colleagues,

Neuromorphic computing is a computing architecture that simulates the behavior of the human brain. It uses principles derived from neuro-biological systems to process data more efficiently and powerfully than traditional computing architectures. Neuromorphic computing systems can learn from their environment and adapt to changing conditions, which has led to them being used in a more comprehensive range of sensing systems as well. Neuromorphic sensing is a kind of sensing technology that mimics the behavior of the human nervous system. It uses sensors to detect changes in the environment and then uses artificial neural networks to interpret the data. Therefore, neuromorphic sensing systems can see subtle differences in the environment. In all cases, neuromorphic computing and sensing systems are challenged to build novel algorithms, tools, and architectures that better address the nature of low-power, dense, and parallel elements.

This Special Issue will focus on advanced research and innovations in neuromorphic sensing and computing systems, architectures, algorithms, and their novel applications. Researchers are welcome to submit their original research on the latest findings related to hardware architecture, event-based sensory systems, computing systems, analog/digital/mixed-signal circuits and architectures for neuromorphic systems, as well as learning systems. Contributions related to the application of neuromorphic technologies in communications engineering, as well as in smart home monitoring and control, are welcome. We also welcome contributions which focus on the design of MOSFETs-based neuromorphic sensor circuits.

Prof. Dr. Jean Chamberlain Chedjou
Guest Editor

Manuscript Submission Information

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Keywords

  • analog/digital/mixed-signal circuits and architectures for neuromorphic systems
  • architectures and algorithms for neuromorphic computing
  • event-based sensory systems

Published Papers (1 paper)

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Research

15 pages, 1422 KiB  
Article
Lossless Encoding of Time-Aggregated Neuromorphic Vision Sensor Data Based on Point-Cloud Compression
by Jayasingam Adhuran, Nabeel Khan and Maria G. Martini
Sensors 2024, 24(5), 1382; https://doi.org/10.3390/s24051382 - 21 Feb 2024
Viewed by 546
Abstract
Neuromorphic Vision Sensors (NVSs) are emerging sensors that acquire visual information asynchronously when changes occur in the scene. Their advantages versus synchronous capturing (frame-based video) include a low power consumption, a high dynamic range, an extremely high temporal resolution, and lower data rates. [...] Read more.
Neuromorphic Vision Sensors (NVSs) are emerging sensors that acquire visual information asynchronously when changes occur in the scene. Their advantages versus synchronous capturing (frame-based video) include a low power consumption, a high dynamic range, an extremely high temporal resolution, and lower data rates. Although the acquisition strategy already results in much lower data rates than conventional video, NVS data can be further compressed. For this purpose, we recently proposed Time Aggregation-based Lossless Video Encoding for Neuromorphic Vision Sensor Data (TALVEN), consisting in the time aggregation of NVS events in the form of pixel-based event histograms, arrangement of the data in a specific format, and lossless compression inspired by video encoding. In this paper, we still leverage time aggregation but, rather than performing encoding inspired by frame-based video coding, we encode an appropriate representation of the time-aggregated data via point-cloud compression (similar to another one of our previous works, where time aggregation was not used). The proposed strategy, Time-Aggregated Lossless Encoding of Events based on Point-Cloud Compression (TALEN-PCC), outperforms the originally proposed TALVEN encoding strategy for the content in the considered dataset. The gain in terms of the compression ratio is the highest for low-event rate and low-complexity scenes, whereas the improvement is minimal for high-complexity and high-event rate scenes. According to experiments on outdoor and indoor spike event data, TALEN-PCC achieves higher compression gains for time aggregation intervals of more than 5 ms. However, the compression gains are lower when compared to state-of-the-art approaches for time aggregation intervals of less than 5 ms. Full article
(This article belongs to the Special Issue Neuromorphic Sensing and Computing: Technologies and Applications)
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