An edge-based active contour model using an inflation/deflation force with a damping coefficient

Ciecholewski, Marcin

doi:10.1016/j.eswa.2015.09.013

Cited by 44 publications

(36 citation statements)

References 23 publications

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“…Accumulation of surface runoff by protective forest strips contributes also to increase of groundwater level and reduction of soil erosion due to flood waters and summer showers. The decreasing of wind speed reduces the probability of dust storms and droughts 12,13 . The yield under favorable conditions of 2013 amounted to 3.65 t/ha and was higher as compared to less humid year of 2014 (3.26 t/ha).…”

Section: Resultsmentioning

confidence: 99%

Effect of Protective Forest Strip on the Crop Productivity in the Central Fore-Caucasus

Есаулко¹,

Трубачева²,

Vlasova³

et al. 2016

Biosci., Biotech. Res. Asia

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At present all the necessary information has been accumulated on current topic, and our findings confirm once again the opinions of many scientists about the positive effect of protective forest strips on the wind-resistance, snow accumulation, humidity dynamics, and infestation of crops. The article presents research data concerning the ameliorative role of protective forest strips on the crops productivity evidence from winter wheat. Remoteness from a protective forest strip substantially affected the accumulation of productive moisture by the time of winter wheat sowing. In this regard, we determined the content of productive moisture in the soil for all experimental plots. Besides, soil moisture formation strongly depended on snow accumulation. Thus, moving away from the protective forest strip resulted in decrease of the snow cover depth. At a distance of 10-20H from the protective forest strip, the snow cover depth was 25-30 cm decreasing to 5-10 cm with further increase in the distance. The overall influencing distance of protective forest strips varies from 0 to 30Í. The same trend was maintained with regard to the formation of moisture content. Impact on weediness was manifested in such a way that the smallest amount of weeds was observed at a distance of 0-10H. When moving away from the protective forest strip, the amount of weeds grew, as well as species composition, and further (30-40H) the amount of weeds per square meter decreased. The maximum wheat yield (3.86 t/ha) was obtained at a distance of 10-20H from the protective forest strip.

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Section: Resultsmentioning

confidence: 99%

Effect of Protective Forest Strip on the Crop Productivity in the Central Fore-Caucasus

Есаулко¹,

Трубачева²,

Vlasova³

et al. 2016

Biosci., Biotech. Res. Asia

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“…This publication describes the application of the recently developed edge-based active contour model using an inflation/deflation force with a damping coefficient [25], which is abbreviated to EM. This model has been proven to be useful in the segmentation of various types of digital images, including medical ones: produced by ultrasonography (USG) and magnetic resonance (MRI).…”

Section: Methodsmentioning

confidence: 99%

“…In addition, the following parameters are determined according to Algorithm 1 based on the publication [25]:…”

Section: Edge-based Active Contour Model Using An Inflation/deflationmentioning

confidence: 99%

“…Active contour methods (ACMs) are among the most popular because they are able to integrate image pixels into smooth, connected borders that delineate the shape being approximated. ACMs can be further subdivided, e.g., into edge-based [23][24][25], or region-based ones [26][27][28][29]. The way in which the energy function is defined in the ACM determines the effectiveness and the range of applications of the active contour.…”

Section: Introductionmentioning

confidence: 99%

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Malignant and Benign Mass Segmentation in Mammograms Using Active Contour Methods

Ciecholewski

2017

Symmetry

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Abstract:The correct segmentation of tumours can simplify formulate the diagnostic hypothesis, particularly in cases of irregular shapes, with fuzzy margins or spicules growing into the surrounding tissue, which are more likely to be malignant. In this study, the following active contour methods were used to segment the masses: an edge-based active contour model using an inflation/deflation force with a damping coefficient (EM), a geometric active contour model (GAC) and an active contour without edges (ACWE). The preprocessing techniques presented in this publication are to reduce noise and at the same time amplify uniform areas of images in order to improve segmentation results. In addition, the use of image sampling by bicubic interpolation was tested to shorten the evolution time of active contour methods. The experiments used a test set composed of 100 cases taken from two publicly available databases: Digital Database for Screening Mammography (DDSM) and Mammographic Image Analysis Society (MIAS) database. The qualitative assessment concerned the ability to formulate an adequate diagnostic hypothesis and, for the individual methods (malignant and benign cases together), it amounted to at least: 81% (EM), 76% (GAC), and 69% (ACWE).

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“…Currently, the active contour model has been widely used for segmentation of medical images [1][2][3][4][5]. This type of model has developed rapidly and its variants spring up in recent years.…”

Section: Introductionmentioning

confidence: 99%

A Gradient Vector Flow Snake Model using Novel Coefficients Setting for Infrared Image Segmentation

Zhang¹

2017

dtmse

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An edge-based active contour model using an inflation/deflation force with a damping coefficient

Cited by 44 publications

References 23 publications

Effect of Protective Forest Strip on the Crop Productivity in the Central Fore-Caucasus

Effect of Protective Forest Strip on the Crop Productivity in the Central Fore-Caucasus

Malignant and Benign Mass Segmentation in Mammograms Using Active Contour Methods

A Gradient Vector Flow Snake Model using Novel Coefficients Setting for Infrared Image Segmentation

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