arxiv: https://arxiv.org/abs/1903.03273

key points

• model to predict depth map
• maximize speed by making it light as possible
• focus not only on encoder network but also on decoder network for speed improvement
• mobilenet for encoder, nearest-neighbor interpolation + NNConv5 for decoders, use skip connection, use depthwise separable convolution where ever possible, do network pruning, use TVM compiler stack to optimize depthwise separable convolution which is not optimized in populate DL frameworks.

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