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3 months ago

Depth estimation from 4D light field videos

Takahiro Kinoshita Satoshi Ono

Depth estimation from 4D light field videos

Abstract

Depth (disparity) estimation from 4D Light Field (LF) images has been a research topic for the last couple of years. Most studies have focused on depth estimation from static 4D LF images while not considering temporal information, i.e., LF videos. This paper proposes an end-to-end neural network architecture for depth estimation from 4D LF videos. This study also constructs a medium-scale synthetic 4D LF video dataset that can be used for training deep learning-based methods. Experimental results using synthetic and real-world 4D LF videos show that temporal information contributes to the improvement of depth estimation accuracy in noisy regions. Dataset and code is available at: https://mediaeng-lfv.github.io/LFV_Disparity_Estimation

Code Repositories

mediaeng-lfv/LFV_Disparity_Estimation
Official
tf
Mentioned in GitHub

Benchmarks

BenchmarkMethodologyMetrics
disparity-estimation-on-sintel-4d-lfvTwo-stream CNN+CLSTM
BadPix(0.01): 62.0493
BadPix(0.03): 22.8762
BadPix(0.07): 8.3404
MSE*100: 21.67
disparity-estimation-on-sintel-4d-lfv-1Two-stream CNN+CLSTM
BadPix(0.01): 17.7493
BadPix(0.03): 3.6084
BadPix(0.05): 1.0688
MSE*100: 3.67
disparity-estimation-on-sintel-4d-lfv-bamboo3Two-stream CNN+CLSTM
BadPix(0.01): 53.2985
BadPix(0.03): 21.8162
BadPix(0.07): 8.9475
MSE*100: 21.59
disparity-estimation-on-sintel-4d-lfv-shaman2Two-stream CNN+CLSTM
BadPix(0.01): 74.7733
BadPix(0.03): 50.6706
BadPix(0.07): 32.7585
MSE*100: 2.4421

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Depth estimation from 4D light field videos | Papers | HyperAI