Convolutional networks for vehicle track segmentation

Tu-Thach Quach

doi:10.1117/1.JRS.11.042603

19 August 2017 Convolutional networks for vehicle track segmentation

Tu-Thach Quach

Author Affiliations +

Journal of Applied Remote Sensing, Vol. 11, Issue 4, 042603 (August 2017). https://doi.org/10.1117/1.JRS.11.042603

Abstract

Existing methods to detect vehicle tracks in coherent change detection images, a product of combining two synthetic aperture radar images taken at different times of the same scene, rely on simple and fast models to label track pixels. These models, however, are unable to capture natural track features, such as continuity and parallelism. More powerful but computationally expensive models can be used in offline settings. We present an approach that uses dilated convolutional networks consisting of a series of 3×3 convolutions to segment vehicle tracks. The design of our networks considers the fact that remote sensing applications tend to operate in low power and have limited training data. As a result, we aim for small and efficient networks that can be trained end-to-end to learn natural track features entirely from limited training data. We demonstrate that our six-layer network, trained on just 90 images, is computationally efficient and improves the F-score on a standard dataset to 0.992, up from 0.959 obtained by the current state-of-the-art method.

Citation Download Citation

Tu-Thach Quach "Convolutional networks for vehicle track segmentation," Journal of Applied Remote Sensing 11(4), 042603 (19 August 2017). https://doi.org/10.1117/1.JRS.11.042603

Received: 5 April 2017; Accepted: 18 July 2017; Published: 19 August 2017

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