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Back to Event Basics: Self-Supervised Learning of Image Reconstruction for Event Cameras via Photometric Constancy

CVPR 2021 · 3D vision › Depth and stereo · approach: Learned optical and scene flow · 147 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
train reconstruction networks using event-based photometric constancy without ground-truth or synthetic training dataE2VID_E and FireNet_E · ECD and HQFreconstruction qualityMixed
use FireFlowNet instead of EV-FlowNetevent-based optical flow estimation · ECD and HQFFWL: 1.31 -> 1.39; 1.51 -> 1.58Mixed
use FireFlowNet instead of EV-FlowNetevent-based optical flow estimation · MVSECAEE: 0.92 -> 1.06; 0.79 -> 0.97; 1.40 -> 1.67; 1.18 -> 1.43Hurt
replace EV-FlowNet with FireFlowNetevent-based optical flow estimation · 240×180 inferenceGPU inference time (ms): 4.33 -> 1.97Helped
add event deblurring before event integration (ablation)E2VID_E reconstruction · ECDMSE: 0.14 -> 0.06Helped
add event deblurring before event integration (ablation)E2VID_E reconstruction · ECDSSIM: 0.30 -> 0.55Helped
add event deblurring before event integration (ablation)E2VID_E reconstruction · ECDLPIPS: 0.58 -> 0.37Helped
add event deblurring before event integration (ablation)E2VID_E reconstruction · HQFMSE: 0.11 -> 0.06Helped
add event deblurring before event integration (ablation)E2VID_E reconstruction · HQFSSIM: 0.28 -> 0.48Helped
add event deblurring before event integration (ablation)E2VID_E reconstruction · HQFLPIPS: 0.64 -> 0.47Helped

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