Comput Math Methods Med - White blood cell segmentation by circle detection using electromagnetism-like optimization.

Tópicos

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Resumo

Medical imaging is a relevant field of application of image processing algorithms. In particular, the analysis of white blood cell (WBC) images has engaged researchers from fields of medicine and computer vision alike. Since WBCs can be approximated by a quasicircular form, a circular detector algorithm may be successfully applied. This paper presents an algorithm for the automatic detection of white blood cells embedded into complicated and cluttered smear images that considers the complete process as a circle detection problem. The approach is based on a nature-inspired technique called the electromagnetism-like optimization (EMO) algorithm which is a heuristic method that follows electromagnetism principles for solving complex optimization problems. The proposed approach uses an objective function which measures the resemblance of a candidate circle to an actual WBC. Guided by the values of such objective function, the set of encoded candidate circles are evolved by using EMO, so that they can fit into the actual blood cells contained in the edge map of the image. Experimental results from blood cell images with a varying range of complexity are included to validate the efficiency of the proposed technique regarding detection, robustness, and stability.

Resumo Limpo

medic imag relev field applic imag process algorithm particular analysi white blood cell wbc imag engag research field medicin comput vision alik sinc wbcs can approxim quasicircular form circular detector algorithm may success appli paper present algorithm automat detect white blood cell embed complic clutter smear imag consid complet process circl detect problem approach base natureinspir techniqu call electromagnetismlik optim emo algorithm heurist method follow electromagnet principl solv complex optim problem propos approach use object function measur resembl candid circl actual wbc guid valu object function set encod candid circl evolv use emo can fit actual blood cell contain edg map imag experiment result blood cell imag vari rang complex includ valid effici propos techniqu regard detect robust stabil

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