Evaluating the Use of Smartphone Applications for Log Stacks Volume Measurement in Turkish Forestry Practices

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dc.authorid0000-0001-6558-9029
dc.authorid0000-0001-6558-9029
dc.contributor.authorUcar, Zennure
dc.contributor.authorEker, Remzi
dc.contributor.authorBilici, Ebru
dc.contributor.authorAkay, Abdullah Emin
dc.date.accessioned2026-02-08T15:16:04Z
dc.date.available2026-02-08T15:16:04Z
dc.date.issued2024
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractWith recent technological development, photo-optical measurement systems in mobile devices have been increasingly used for automatic wood volume estimation because of their ease of use and efficiency. This study aimed to evaluate the use of photo-optical mobile apps for measuring solid wood volume of the stack in Turkish forestry practices. For this study, 21 log stacks were measured using the traditional technique and two photo-optical mobile apps - iFovea Pro and Timbeter. A strong correlation was found between the traditionally measured solid wood volume of the stack and the volume estimated using both photo-optical apps, the number of logs in the stack, and the mean diameter of the stack. The estimated number of trees from the two apps and manual measurement were not statistically different. However, statistical differences were observed between all three measurement approaches for the mean diameter of the stack. Also, statistical test results indicated mixed results for estimated solid wood volume in the stack. In addition, the study tested whether both apps correctly measure the diameter of the logs in the stack. Thus, manually measured diameter of the randomly selected 50 trees within 21 stacks was compared to the log diameters measured automatically using both mobile apps. The results indicated no statistical difference between the three measurement approaches. The study results are promising for using photo-optical mobile apps in Turkish forestry in terms of transition to digital forestry. However, there are still opportunities to improve the capabilities of the method through further analysis of estimating stack volume using the image from both sides of the logs considering different quality and diameter classes with bark conditions.
dc.description.sponsorshipWe would like to thank the personnel of the Regional Forest Directorate of Izmir and the Kemalpasa Forest Enterprise depot for giving us the precious opportunity to conduct this study and providing re-sources to investigate. We would also like to thank Timbeter company for allowing us to use the app for free during our study. Most importantly, we thank Dr. Mehmet Demirci and Kamber Can Alki for helping us while taking pictures of the stack in the depot. Last but not least, our appreciation is sent to the reviewers.
dc.identifier.doi10.5552/crojfe.2024.2398
dc.identifier.endpage276
dc.identifier.issn1845-5719
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85211137276
dc.identifier.scopusqualityQ1
dc.identifier.startpage263
dc.identifier.urihttps://doi.org/10.5552/crojfe.2024.2398
dc.identifier.urihttps://hdl.handle.net/20.500.12885/6120
dc.identifier.volume45
dc.identifier.wosWOS:001277221400004
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherZagreb Univ, Fac Forestry
dc.relation.ispartofCroatian Journal of Forest Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzWOS_KA_20260207
dc.subjectmachine vision
dc.subjectphotogrammetry
dc.subjectstack volume
dc.subjectsolid wood volume
dc.subjectphoto-optical mobile apps
dc.titleEvaluating the Use of Smartphone Applications for Log Stacks Volume Measurement in Turkish Forestry Practices
dc.typeArticle

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