一种多视角高精度图片深度估计方法
首发时间:2021-04-07
摘要:针对多视图的重建中高精度图片难以有效重建的问题,提出了基于学习的深度估计方法。该方法利用空洞卷积神经网络对图片进行特征提取,利用循环神经网络构建并优化三维代价体,并且采取有监督和无监督两种方式进行训练。在两个真实场景中的多视角图片数据集上的实验结果表明,相比于传统方法和其他基于学习的方法,该网络所需的显存大大减少,因此能用于高精度图片的重建,同时,提高了模型深度预测的准确性和完整性。
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A depth estimation method for multi view and high precision images
Abstract:Aiming at the problem that high-precision images are difficult to reconstruct effectively in dense multi view reconstruction, a learning-based depth estimation method is proposed. In this method, the dilated convolution neural network iss used to extract image features, and the Long Short-Term Memory network is applied to construct and optimize the cost volume. Besides, the supervised and unsupervised training methods are adopted. Experimental results on two real scene multi view image datasets show that the proposed method not only outperforms state-of-the-arts, but also is several times less in GPU memory application in comparison with traditional methods and other learning-based methods. Therefore, it can be used for reconstruction of high-precision images while the accuracy and integrity of model depth prediction are improved.
Keywords: deep learning convolution neural network multi view reconstruction
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