Software “Image J” Application in Evaluating the Quality of Extracted Raw Wood Assortments

Gejdoš, Miloš; Suchomel, J.; Potkány, Marek

doi:10.5552/drind.2014.1348

Cited by 5 publications

(6 citation statements)

References 4 publications

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“…The ImageJ software was selected as an alternative tool for the optimization of the quality assessment of these assortments. Its use and methodology for assessing the areal extent of marks (false heartwood and other marks) in beech wood are described in previous studies [26,39,40]. The methodology for assessing the marks using this software was adopted from Reference [26].…”

Section: Quality Evaluation Of Spruce Sawlogsmentioning

confidence: 99%

“…Its use and methodology for assessing the areal extent of marks (false heartwood and other marks) in beech wood are described in previous studies [26,39,40]. The methodology for assessing the marks using this software was adopted from Reference [26]. The process of assessing the quality marks in this software include the following steps:…”

Section: Quality Evaluation Of Spruce Sawlogsmentioning

confidence: 99%

“…Assessing and measuring these features in the forestry practice is often not optimal or objective. It results in quality timber being undervalued and designated for not the best possible use [26][27][28]. The valuation of raw wood can be optimized using software aids and modern approaches toward assessing qualitative features.…”

Section: Introductionmentioning

confidence: 99%

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Sustainable Innovation Approach for Wood Quality Evaluation in Green Business

2018

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The purpose of this paper is to propose a method for the optimization of raw wood for the timber construction industry that would meet the green business and sustainable development requirements within the concept of corporate social responsibility. The methodology conceptually applied the ImageJ software in the process of spruce-timber valuation using 100 log specimens according to the standard STN 480055. The impact of timber structure on the environment compared to silicate buildings was assessed via selected environmental criteria of life-cycle assessment. The methodology was applied according to the standards within the monitored phase of the life-cycle cradle to a gate based on the available environmental products declaration. The overall difference in the assortment value when using the ImageJ software as the evaluation method reached €426.68 (+6.7%). The individual construction elements creating the composition of perimeter walls of the evaluated alternatives showed a positive impact of the following indicators: global warning potential, primary energy input for production, ozone depletion potential, and photochemical ozone creation potential of the reference timber structure. The findings presented in this study clearly confirm the ecological approach toward building a wood-based structure while meeting the requirements of sustainable development.

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Section: Quality Evaluation Of Spruce Sawlogsmentioning

confidence: 99%

Section: Quality Evaluation Of Spruce Sawlogsmentioning

confidence: 99%

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Sustainable Innovation Approach for Wood Quality Evaluation in Green Business

2018

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“…σ y % represents the coefficient of variation; it was determined from the available literature [25][26][27] and according to the results from previous research studies [7,24]. As σ y % the value of 45% was selected.…”

Section: Research Materialsmentioning

confidence: 99%

“…The quantitative parameters of harvested trunks limit, to a certain extent, their utilization in the conversion process. However, they do not provide sufficient information on the potential of trunk valuation according to the utilization purpose in individual assortment quality classes [2,[7][8][9]. The optimum assessment and sale of grown and produced timber would not be possible without knowing its qualitative and quantitative features precisely.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Qualitative Features of Beech and Oak Trunks as a Determinant of the Quality Assessment

Gejdoš

Suchomel

Danihelová

2020

Forests

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Proper quality assessment of timber requires a certain level of knowledge and overview of technical conditions and correct identification and assessment of the qualitative features of trunks. The ratio of the highest quality classes is decreasing. Therefore, increasing the potential financial resources allocated to forest management could lead to the improvement and increase of this ratio. The objective of the study was to identify the frequency and occurrence of limiting features in the group of non-coniferous beech and oak trunks. A further objective was to classify major factors causing and increasing the frequency of occurrence of such limiting marks. Altogether, 969 beech and oak trunks were assessed in the University Forest Enterprise of the Technical University in Zvolen. The dependences of the size and occurrence of individual qualitative features on the selected factors were statistically assessed using the Pearson correlation coefficient and Cramer’s V; significance was established using χ2 test and a significance level α = 0.05. The most frequently occurring features were sweep, knots, and heart shakes. The results of the comparative and statistical analysis indicate that the management of forest stands and interventions carried out in the forest stands affect the occurrence of the negative features being analyzed the most. However, the conditions of the given site (soil, subsoil, and slope) also play a certain role and can affect the technological aspect of the harvest. The obtained results are valid for the conditions of the University Forest Enterprise of the Technical University in Zvolen; however, they can also be applied in a wider range of similar conditions of Central European forest stands.

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Possibilities of image analysis for quality wood sorting

Gejdoš

Gergeľ

Bucha

et al. 2019

Central European Forestry Journal

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Wood assessment optimization should be the top priority of the forestry subjects that are fundamentally dependent on the income from its sale. The aim of this paper is to analyse the beech, oak and ash tree logs that were categorized into quality classes according to the size of one of the qualitative characters related to the surface area (false heartwood, rot). The classical methodology used in forestry was compared with the application of ImageJ software. In total, thirty logs were analysed. The characters of false heartwood and rot were chosen and evaluated according to their size on the log end. There were no other characters that obstructed the categorization into quality classes. The ImageJ software application led to improved assessment (transfer to a higher quality class) in 56% of the logs. The volume of the evaluated assortments was 18.43 m3. The total difference in the value of the assortments with the ImageJ software application reached + €70.44 (+ 4.7%). The analysis therefore confirmed that in case of a considerable irregularity in a qualitative character (when the surface area of the character significantly differs from the circumscribed circular surface), the standard STN EN 1309–3 methodology systematically overvalues the surface area of this character. That affects the assessment potential of the specific log.

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Software “Image J” Application in Evaluating the Quality of Extracted Raw Wood Assortments

Abstract: • The goal of this paper was to investigate the possibility and verify the use of the software product "Image J" for the evaluation of the selected qualitative characters of wood as

Cited by 5 publications

References 4 publications

Sustainable Innovation Approach for Wood Quality Evaluation in Green Business

Sustainable Innovation Approach for Wood Quality Evaluation in Green Business

Analysis of Qualitative Features of Beech and Oak Trunks as a Determinant of the Quality Assessment

Possibilities of image analysis for quality wood sorting

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