Self-Supervised Convolutional Neural Networks for Plant Reconstruction Using Stereo Imagery

Yuanxin Xia, Pablo d'Angelo, Jiaojiao Tian, Friedrich Fraundorfer, Peter Reinartz

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Stereo matching can provide complete and dense three-dimensional reconstruction to study plant growth. Recently, high-quality stereo matching results were achieved combining Semi-Global Matching (SGM) with deep learning. However, due to a lack of suitable training data, this technique is not readily applicable for plant reconstruction. We propose a self-supervised Matching Cost with a Convolutional Neural Network (MC-CNN) scheme to calculate matching cost and test it for plant reconstruction. The MC-CNN network is retrained using the initial matching results obtained from the standard MC-CNN weights. For the experiment, closerange photogrammetric imagery of an in-house plant is used. The results show that the performance of self-supervised MC-CNN is superior to the Census algorithm and comparable to MC-CNN trained by a Light Detection and Ranging point cloud. Another experiment is performed …
Original languageEnglish
Pages (from-to)389-399
Number of pages11
JournalPhotogrammetric engineering & remote sensing
Volume85
Issue number5
DOIs
Publication statusPublished - 2019

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Self-Supervised Convolutional Neural Networks for Plant Reconstruction Using Stereo Imagery. / Xia, Yuanxin; d'Angelo, Pablo; Tian, Jiaojiao; Fraundorfer, Friedrich; Reinartz, Peter.

In: Photogrammetric engineering & remote sensing, Vol. 85, No. 5, 2019, p. 389-399.

Research output: Contribution to journalArticleResearchpeer-review

Xia, Yuanxin ; d'Angelo, Pablo ; Tian, Jiaojiao ; Fraundorfer, Friedrich ; Reinartz, Peter. / Self-Supervised Convolutional Neural Networks for Plant Reconstruction Using Stereo Imagery. In: Photogrammetric engineering & remote sensing. 2019 ; Vol. 85, No. 5. pp. 389-399.
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