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Spike Stream Denoising via Spike Camera Simulation

arXiv 2304.03129 ↗First posted 6 Apr 2023cs.CVcited by 0

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Abstract (arXiv)

As a neuromorphic sensor with high temporal resolution, the spike camera shows enormous potential in high-speed visual tasks. However, the high-speed sampling of light propagation processes by existing cameras brings unavoidable noise phenomena. Eliminating the unique noise in spike stream is always a key point for spike-based methods. No previous work has addressed the detailed noise mechanism of the spike camera. To this end, we propose a systematic noise model for spike camera based on its unique circuit. In addition, we carefully constructed the noise evaluation equation and experimental scenarios to measure noise variables. Based on our noise model, the first benchmark for spike stream denoising is proposed which includes clear (noisy) spike stream. Further, we design a tailored spike stream denoising framework (DnSS) where denoised spike stream is obtained by decoding inferred inter-spike intervals. Experiments show that DnSS has promising performance on the proposed benchmark. Eventually, DnSS can be generalized well on real spike stream.

Key facts. No citing papers in the map yet (data through 7 Oct 2026). Builds on 13 of its 35 references that are in the map. First posted on arXiv 6 Apr 2023.

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13 of 35 references.

References · 13

  1. 2016Beyond a Gaussian Denoiser: Residual Learning of Deep CNN for Image Denoisingcited by 1,352
  2. 2017FFDNet: Toward a Fast and Flexible Solution for CNN based Image Denoisingcited by 509
  3. 2018Noise2Void - Learning Denoising from Single Noisy Imagescited by 359
  4. 2018Toward Convolutional Blind Denoising of Real Photographscited by 274
  5. 2019Noise2Self: Blind Denoising by Self-Supervisioncited by 274
  6. 2021Neighbor2Neighbor: Self-Supervised Denoising from Single Noisy Imagescited by 171
  7. 2019High-Quality Self-Supervised Deep Image Denoisingcited by 161
  8. 2019Noisier2Noise: Learning to Denoise from Unpaired Noisy Datacited by 125
  9. 2020Unpaired Learning of Deep Image Denoisingcited by 74
  10. 2020Event Probability Mask (EPM) and Event Denoising Convolutional Neural Network (EDnCNN) for Neuromorphic Camerascited by 38
  11. 2019A Retina-inspired Sampling Method for Visual Texture Reconstructioncited by 34
  12. 2021Optical Flow Estimation for Spiking Cameracited by 29
1 more
  1. 2019An Efficient Coding Method for Spike Camera using Inter-Spike Intervalscited by 13

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