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Benchmarking road network extraction methods for power distribution spatial planning
ID Križaj, Janez (Author), ID Štruc, Vitomir (Author)

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Abstract
Accurate road network extraction from high-resolution overhead imagery is a prerequisite for corridor-aware routing and cost modelling in power-system infrastructure planning, where medium- and low-voltage lines often follow transport rights-ofway. Yet roads are thin, occluded, and cluttered, and downstream optimisation needs routable graphs, not just masks. We benchmark six representative pipelines (SAM-Road, D-LinkNet, CRESI, CU-dGCN, Sat2Graph, and U-Net-ResNet18) on SpaceNet imagery. The comparison reveals trade-offs between segmentation-centric and graph-aware designs and highlights where topology fails most often. Finally, practical guidance is provided for selecting road extractors that deliver reliable, optimisation-ready networks for power distribution corridor planning and the routing of medium- and low-voltage lines.

Language:English
Keywords:road network extraction, satellite imagery, power distribution, spatial planning
Typology:1.09 - Published Professional Conference Contribution
Organization:FE - Faculty of Electrical Engineering
Publication status:Published
Publication version:Version of Record
Year:2026
Number of pages:Str. 25-36
PID:20.500.12556/RUL-180967 This link opens in a new window
UDC:004:629.056.8
COBISS.SI-ID:272486659 This link opens in a new window
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Publication date in RUL:20.03.2026
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Record is a part of a monograph

Title:ROSUS 2026 : računalniška obdelava slik in njena uporaba v Sloveniji 2026
Editors:Božidar Potočnik
Place of publishing:Maribor
Publisher:Univerza v Mariboru, Univerzitetna založba, Fakulteta za elektrotehniko, računalništvo in informatiko
Year:2026
ISBN:978-961-299-111-1
COBISS.SI-ID:270650883 This link opens in a new window

Licences

License:CC BY-SA 4.0, Creative Commons Attribution-ShareAlike 4.0 International
Link:http://creativecommons.org/licenses/by-sa/4.0/
Description:This Creative Commons license is very similar to the regular Attribution license, but requires the release of all derivative works under this same license.

Secondary language

Language:Slovenian
Title:Primerjava metod ekstrakcije cestnega omrežja za prostorsko načrtovanje distribucije električne energije
Abstract:
Natančna ekstrakcija cestnega omrežja iz satelitskih posnetkov omogoča določanje poteka in modeliranje stroškov pri načrtovanju infrastrukture elektroenergetskega sistema, kjer srednje- in nizkonapetostni koridorji pogosto sledijo cestam. Ker so ceste na satelitskih slikah pogosto ozke, deloma prikrite in nejasne, lahko manjše nepravilnosti v segmentacijskih maskah po vektorski pretvorbi povzročijo prekinjeno povezljivost, zato je za načrtovanje bolj koristno uporabiti grafe, ki omogočajo načrtovanje poti. Na zbirki SpaceNet smo primerjali šest reprezentativnih postopkov (SAM-Road, D-LinkNet, CRESI, CU-dGCN, Sat2Graph in U-Net--ResNet18). V primerjavi proučimo razlike med klasičnimi segmentacijskimi postopki in novejšimi postopki z grafnimi zasnovami ter analiziramo, kje posamezni postopki najpogosteje odpovejo. Navedemo tudi praktična navodila za izbiro ustreznih postopkov, ki zagotavljajo zanesljivo detekcijo cest, primerno za optimizacijo pri načrtovanju srednje- in nizko-napetostninih vodov v distribucijskem električnem omrežju.

Keywords:ekstrakcija cestnega omrežja, satelitske slike, prostorsko načrtovanje, elektroenergetskega omrežja

Projects

Funder:ARIS - Slovenian Research and Innovation Agency
Project number:J2-60030
Name:Optimalno umeščanje elektroenergetske infrastrukture v prostor s pomočjo umetne inteligence (OPTI-AI)

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