EventFlow: Real-Time Neuromorphic Event-Driven Classification of Two-Phase Boiling Flow Regimes
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arXiv
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| Main Authors: | , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866912694016147456 |
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| author | Chang, Sanghyeon Arani, Srikar Nuthalapati, Nishant Sai Suh, Youngjoon Choi, Nicholas Khodakarami, Siavash Roni, Md Rakibul Hasan Miljkovic, Nenad Chandramowlishwaran, Aparna Won, Yoonjin |
| author_facet | Chang, Sanghyeon Arani, Srikar Nuthalapati, Nishant Sai Suh, Youngjoon Choi, Nicholas Khodakarami, Siavash Roni, Md Rakibul Hasan Miljkovic, Nenad Chandramowlishwaran, Aparna Won, Yoonjin |
| contents | Flow boiling is an efficient heat transfer mechanism capable of dissipating high heat loads with minimal temperature variation, making it an ideal thermal management method. However, sudden shifts between flow regimes can disrupt thermal performance and system reliability, highlighting the need for accurate and low-latency real-time monitoring. Conventional optical imaging methods are limited by high computational demands and insufficient temporal resolution, making them inadequate for capturing transient flow behavior. To address this, we propose a real-time framework based on signals from neuromorphic sensors for flow regime classification. Neuromorphic sensors detect changes in brightness at individual pixels, which typically correspond to motion at edges, enabling fast and efficient detection without full-frame reconstruction, providing event-based information. We develop five classification models using both traditional image data and event-based data, demonstrating that models leveraging event data outperform frame-based approaches due to their sensitivity to dynamic flow features. Among these models, the event-based long short-term memory model provides the best balance between accuracy and speed, achieving 97.6% classification accuracy with a processing time of 0.28 ms. Our asynchronous processing pipeline supports continuous, low-latency predictions and delivers stable output through a majority voting mechanisms, enabling reliable real-time feedback for experimental control and intelligent thermal management. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_05467 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | EventFlow: Real-Time Neuromorphic Event-Driven Classification of Two-Phase Boiling Flow Regimes Chang, Sanghyeon Arani, Srikar Nuthalapati, Nishant Sai Suh, Youngjoon Choi, Nicholas Khodakarami, Siavash Roni, Md Rakibul Hasan Miljkovic, Nenad Chandramowlishwaran, Aparna Won, Yoonjin Computer Vision and Pattern Recognition 76T10, 68T07 I.2.10; I.4.8; I.4.9 Flow boiling is an efficient heat transfer mechanism capable of dissipating high heat loads with minimal temperature variation, making it an ideal thermal management method. However, sudden shifts between flow regimes can disrupt thermal performance and system reliability, highlighting the need for accurate and low-latency real-time monitoring. Conventional optical imaging methods are limited by high computational demands and insufficient temporal resolution, making them inadequate for capturing transient flow behavior. To address this, we propose a real-time framework based on signals from neuromorphic sensors for flow regime classification. Neuromorphic sensors detect changes in brightness at individual pixels, which typically correspond to motion at edges, enabling fast and efficient detection without full-frame reconstruction, providing event-based information. We develop five classification models using both traditional image data and event-based data, demonstrating that models leveraging event data outperform frame-based approaches due to their sensitivity to dynamic flow features. Among these models, the event-based long short-term memory model provides the best balance between accuracy and speed, achieving 97.6% classification accuracy with a processing time of 0.28 ms. Our asynchronous processing pipeline supports continuous, low-latency predictions and delivers stable output through a majority voting mechanisms, enabling reliable real-time feedback for experimental control and intelligent thermal management. |
| title | EventFlow: Real-Time Neuromorphic Event-Driven Classification of Two-Phase Boiling Flow Regimes |
| topic | Computer Vision and Pattern Recognition 76T10, 68T07 I.2.10; I.4.8; I.4.9 |
| url | https://arxiv.org/abs/2511.05467 |