Denizanası Arama Optimizasyon Algoritması ile Çok-Odaklı Görüntülerin Birleştirilmesi

Yıl 2022, Sayı: 37, 147 - 155, 15.07.2022

Fatma Çıtıl Rifat Kurban Ali Durmuş Ercan Karaköse

https://doi.org/10.31590/ejosat.1136956

Cited By: 1

Öz

Bir sahnenin görüntüsü çekilirken lens belirli bir mesafede bulunan nesnelere odaklanır ve diğer uzaklıkta bulunan nesneler ise bulanık olur. Buna sınırlı alan derinliği problem adı verilir. Çok-odaklı görüntü birleştirme yöntemi bu problemi çözmek için kullanılan bir yöntemdir. Çok-odaklı görüntü birleştirme yöntemi kullanılarak sahnenin tamamının net görüntüsü elde edilir. Bu yöntem için farklı odaklarda çekilmiş en az iki görüntü birleştirilir. Çok-odaklı görüntü birleştirme için klasik görüntü birleştirme yöntemlerine ek olarak çeşitli algoritmalar geliştirilmiştir. Çok-odaklı görüntü birleştirme için piksel düzeyinde blok tabanlı yöntemler yaygın olarak kullanılır. Kullanılabilecek blok boyutu birleştirme performansını önemli ölçüde etkileyen bir faktördür. Dolayısıyla blok boyutunun optimize edilmesi gerekmektedir. Bu makalede, deniz anası arama (JSA) optimizasyon algoritması kullanılarak kaynak görüntülerden daha net görüntü bloklarının optimal seçimine dayanan, blok tabanlı çok-odaklı görüntü birleştirme yöntemi önerilmiştir. Geleneksel görüntü birleştirme yöntemlerinden olan DWTPCA, DCHWT, APCA, PCA, SWTDWT ve SWT metotları ile metasezgisel yöntemlerden olan yapay arı kolonisi (ABC) ve JSA sonuçları kıyaslanmıştır. Ayrıca JSA metodunun hem görsel hem de nicel olarak karşılaştırıldığında diğer yöntemlerden daha iyi performansa sahip olduğunu belirlenmiştir.

Anahtar Kelimeler

Görüntü Birleştirme, Sınırlı alan derinliği artırma, Deniz anası arama optimizasyon algoritması.

Proje Numarası

FYL-2022-1051

Fusion of Multi-Focus Images using Jellyfish Search Optimizer

Öz

When obtaining an image of a scene, the lens focuses on objects at a certain distance, and objects at other distances are blurred. This is called the limited depth of field problem. An approach for solving this problem is multi-focus image fusion. A clearer view of the entire scene is obtained by using the multi-focus image fusion method. For this method, at least two images captured at different focuses are combined. Various algorithms have been developed for multi-focus image fusion methods. For multi-focus image fusion, pixel-level block-based methods are commonly used. The block size is a factor that significantly affects the fusion performance. As a result, the block size parameter must be improved. The Jellyfish search optimization algorithm (JSA) is used to propose a block-based multi-focus image fusion approach based on the optimal selection of clearer image blocks from source images. The results of DWTPCA, DCHWT, APCA, PCA, SWTDWT and SWT methods, which are traditional image fusion methods, and ABC (artificial bee colony) and JSA optimization algorithms, which are metaheuristic methods, are compared. In addition, it has been determined that the JSA method has better performance than other traditional methods when compared both visually and quantitatively.

Anahtar Kelimeler

Image Fusion, Extending depth of field, Jellyfish Search optimization algorithm.

Destekleyen Kurum

Kayseri University Scientific Research Projects Unit

Proje Numarası

FYL-2022-1051

Teşekkür

This research is financially supported by Kayseri University Scientific Research Projects Unit under the grant number FYL-2022-1051.

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