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[期刊论文]

Weakly Supervised Road Segmentation in High-Resolution Remote Sensing Images Using Point Annotations

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author:

Lian, Renbao (Lian, Renbao.) [1] | Huang, Liqin (Huang, Liqin.) [2] (Scholars:黄立勤)

Indexed by:

EI SCIE

Abstract:

Road segmentation methods based on deep neural networks have achieved great success in recent years, but creating accurate pixel-wise training labels is still a boring and expensive task, especially for large-scale high-resolution remote sensing images (HRSIs). Inspired by the stacked hourglass model for human joints detection, we propose a weakly supervised road segmentation method using point annotations in this article. First, we design a patch-based deep convolutional neural network (DCNN) model for road seeds and background points detection and train the model using point annotations. Then, in the process of road segmentation, the DCNN model detects a series of road and background points that are used to train a Support Vector Machine Classifier (SVC) for classifying each pixel into road or nonroad. According to the local geometry of road and the inaccurate classification of SVC, a multiscale and multidirection Gabor filter (MMGF) is put forward to estimate the road potential. Finally, the active contour model based on local binary fitting energy (LBF-Snake) is introduced to extract the road regions from the inhomogeneous road potential. Qualitative and quantitative comparisons show that our method achieves results close to the fully supervised semantic methods without considering the annotation cost and outperforms them given a fixed budget.

Keyword:

Active contour model Annotations Estimation Gabor filter Image segmentation point annotation Remote sensing remote sensing images Roads road segmentation Semantics Training weakly supervised segmentation

Community:

  • [ 1 ] [Lian, Renbao]Fuzhou Univ, Coll Phys & Informat Engn, Fuzhou 350008, Peoples R China
  • [ 2 ] [Huang, Liqin]Fuzhou Univ, Coll Phys & Informat Engn, Fuzhou 350008, Peoples R China
  • [ 3 ] [Lian, Renbao]Internet Of Things Key Lab Informat Collect & Pro, Digital Fujian, Fuzhou 350108, Peoples R China
  • [ 4 ] [Lian, Renbao]Fujian Jiangxia Univ, Coll Elect & Informat Sci, Fuzhou 350108, Peoples R China

Reprint 's Address:

  • 黄立勤

    [Huang, Liqin]Fuzhou Univ, Coll Phys & Informat Engn, Fuzhou 350008, Peoples R China

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Source :

IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING

ISSN: 0196-2892

Year: 2022

Volume: 60

8 . 2

JCR@2022

7 . 5 0 0

JCR@2023

ESI Discipline: GEOSCIENCES;

ESI HC Threshold:51

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 15

SCOPUS Cited Count: 22

30 Days PV: 0

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