A scalable event-driven spatiotemporal feature extraction circuit
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arXiv
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| Autores principales: | , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866913675332288512 |
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| author | Greatorex, Hugh Mastella, Michele Richter, Ole Cotteret, Madison Girão, Willian Soares Janotte, Ella Chicca, Elisabetta |
| author_facet | Greatorex, Hugh Mastella, Michele Richter, Ole Cotteret, Madison Girão, Willian Soares Janotte, Ella Chicca, Elisabetta |
| contents | Event-driven sensors, which produce data only when there is a change in the input signal, are increasingly used in applications that require low-latency and low-power real-time sensing, such as robotics and edge devices. To fully achieve the latency and power advantages on offer however, similarly event-driven data processing methods are required. A promising solution is the TDE: an event-based processing element which encodes the time difference between events on different channels into an output event stream. In this work we introduce a novel TDE implementation on CMOS. The circuit is robust to device mismatch and allows the linear integration of input events. This is crucial for enabling a high-density implementation of many TDEs on the same die, and for realising real-time parallel processing of the high-event-rate data produced by event-driven sensors. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_10155 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A scalable event-driven spatiotemporal feature extraction circuit Greatorex, Hugh Mastella, Michele Richter, Ole Cotteret, Madison Girão, Willian Soares Janotte, Ella Chicca, Elisabetta Signal Processing Hardware Architecture Emerging Technologies Event-driven sensors, which produce data only when there is a change in the input signal, are increasingly used in applications that require low-latency and low-power real-time sensing, such as robotics and edge devices. To fully achieve the latency and power advantages on offer however, similarly event-driven data processing methods are required. A promising solution is the TDE: an event-based processing element which encodes the time difference between events on different channels into an output event stream. In this work we introduce a novel TDE implementation on CMOS. The circuit is robust to device mismatch and allows the linear integration of input events. This is crucial for enabling a high-density implementation of many TDEs on the same die, and for realising real-time parallel processing of the high-event-rate data produced by event-driven sensors. |
| title | A scalable event-driven spatiotemporal feature extraction circuit |
| topic | Signal Processing Hardware Architecture Emerging Technologies |
| url | https://arxiv.org/abs/2501.10155 |