Resim İşleme İle Sprey Kalitesinin Belirlenmesi

Yıl 2020, Cilt: 9 Sayı: 3, 60 - 74, 31.12.2020

Ebubekir Yaşar , Mithat Şimşek

Öz

ÖZET: Sprey yöntemi ile kimyasalların (yağ, ilaç, koku, gıda, temizlik malzemesi…) yüzeylere püskürtülmesi sıklıkla hayatın her alanında kullanılmaktadır. Spreyden çıkan sıvının olması gerekenden çok büyük olması damlanın yüzeyden kaymasına neden olurken, damlanın çok küçük olması ise damlanın hedefe ulaşmasını negatif yönde etkileyen bir faktördür. Spreyin kaplama oranları, damla çap dağılımı ve yüzey üzerinde damla dağılımı spreyin kalitesini gösteren en önemli sprey performans kriterleridir. Örneğin günümüzde tarımda zararlılarla mücadelede her ne kadar zararları bilinse de kimyasal ilaçlar sıklıkla kullanılmaktadır. Uygun seçilmeyen damla çapları toprağın kirlenmesine veya istenmeyen alanların ilaçlanması nedeniyle israfa ve çevre kirliliğine neden olmaktadır. Sprey performansının ölçülmesi amacıyla görüntü işleme tabanlı bir program hazırlanarak, birim alandaki damla sayısı, kaplama oranı, ortalama damla çapı, damla spektrumu gibi parametreler bulunmuştur. Suya duyarlı kağıtlar yardımıyla ilaçlama ortamından alınan sprey örnekleri, tarayıcı ya da çözünürlüğü yüksek kameralarla bilgisayara aktarılarak uygun filtrelerden geçirilerek, görüntü işleme tekniklerinden, çoklu bant eşik değer yöntemiyle hassas bir şekilde iki renge indirgenerek damla görüntüleri çıkartılmıştır. Elde edilen bu resimde ki damlalar yardımıyla bahsedilen analizler hesaplanmıştır. Damla sayımında floodfill algoritması kullanılmıştır. Sonrasında sırayla damlaların çapları, yuvarlaklık katsayıları, ortalama damla çapları ve damla spektrumu çıkartılmıştır. Sprey damlalarına ait verilerin çıkartılması ile uygun damla büyüklüğünün seçilmesi için sprey mekanizmalarının ayarı ve uygun kimyasal çözeltilerin hazırlanmasına katkı sağlanmıştır.

ABSTRACT: Spraying chemicals (oil, medicine, fragrance, food and cleaning agents…) on surfaces with the spray method is frequently used in all areas of our lives. The fact that the liquid coming out of the spray is too large than it should cause the drop to slide off the surface, while the very small drop is a factor that negatively affects the drop reaching the target. Spray coating rates, drop diameter distribution and drop distribution on the surface are the most important spray performance criteria that show the quality of the spray. For example, chemical drugs are frequently used in the fight against pests in agriculture today, although their damages are known. Unsuitable drop diameters cause waste and environmental pollution due to contamination of the soil or spraying of unwanted areas. An image processing-based program was prepared to measure the spray performance, and parameters such as drop number per unit area, coating rate, average drop diameter and drop spectrum were found. Spray samples taken from the environment with the help of water-sensitive papers were transferred to the computer with a scanner or high-resolution cameras and passed through appropriate filters, one of the image processing techniques, with the multi-band threshold method, to delicately reduce the droplet images to two colors. The mentioned analyzes were calculated with the help of the drops in this picture obtained. Floodfill algorithm was used in drop counting. Then, the diameters of the drops, the roundness coefficients, the average drop diameter and the drop spectrum were extracted. With the extraction of spray drop data, contribution was made to the adjustment of spray mechanisms and the preparation of appropriate chemical solutions to select the appropriate drop size.

Anahtar Kelimeler

Resim işleme, Sprey kalitesi, Eşik değer

Kaynakça

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