Open Access

ARTICLE

Stereo Matching Method Based on Space-Aware Network Model

Jilong Bian^1,*, Jinfeng Li²
1 College of Information & Computer Engineering, Northeast Forestry University, Harbin, 150040, China
2 College of Computer & Information Technology, Mudanjiang Normal University, Mudanjiang, 157011, China
* Corresponding Author: Jilong Bian. Email:
(This article belongs to this Special Issue: Blockchain Security)

Computer Modeling in Engineering & Sciences 2021, 127(1), 175-189. https://doi.org/10.32604/cmes.2021.014635

Received 14 October 2020; Accepted 11 January 2021; Issue published 30 March 2021

Abstract

The stereo matching method based on a space-aware network is proposed, which divides the network into three sections: Basic layer, scale layer, and decision layer. This division is beneficial to integrate residue network and dense network into the space-aware network model. The vertical splitting method for computing matching cost by using the space-aware network is proposed for solving the limitation of GPU RAM. Moreover, a hybrid loss is brought forward to boost the performance of the proposed deep network. In the proposed stereo matching method, the space-aware network is used to calculate the matching cost and then cross-based cost aggregation and semi-global matching are employed to compute a disparity map. Finally, a disparity-post processing method is utilized such as subpixel interpolation, median filter, and bilateral filter. The experimental results show this method has a good performance on running time and accuracy, with a percentage of erroneous pixels of 1.23% on KITTI 2012 and 1.94% on KITTI 2015.

---

Keywords

Deep learning; stereo matching; space-aware network; hybrid loss

---