Depth Anything V2

This work presents Depth Anything V2. Without pursuing fancy techniques, we aim to reveal crucial findings to pave the way towards building a powerful monocular depth estimation model. Notably, compared with V1, this version produces much finer and more robust depth predictions through three key practices: 1) replacing all labeled real images with synthetic images, 2) scaling up the capacity of our teacher model, and 3) teaching student models via the bridge of large-scale pseudo-labeled real images. Compared with the latest models built on Stable Diffusion, our models are significantly more efficient (more than 10x faster) and more accurate. We offer models of different scales (ranging from 25M to 1. 3B params) to support extensive scenarios. Benefiting from their strong generalization capability, we fine-tune them with metric depth labels to obtain our metric depth models. In addition to our models, considering the limited diversity and frequent noise in current test sets, we construct a versatile evaluation benchmark with sparse depth annotations to facilitate future research. Models are available at https: //github. com/DepthAnything/Depth-Anything-V2.

Authors

• Lihe Yang
• Bingyi Kang SEA AI Lab
• Zilong Huang
• Zhen Zhao The University of Sydney
• Xiaogang Xu The Chinese University of Hong Kong
• Jiashi Feng
• Hengshuang Zhao The University of Hong Kong

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