Geometry Tracking of Triangles and Circles in Edge Areas for Object Segmentation

Authors

  • Putra Wisnu Agung Sucipto Universitas Negeri Malang
  • Annisa Firasanti Universitas Islam 45
  • Muhammad Amin Bakri Universitas Islam 45
  • Inna Ekawati Universitas Islam 45
  • Khusnul Yaqin Universitas Hassanudin

DOI:

https://doi.org/10.61769/telematika.v19i2.717

Keywords:

complex, spatial, segment, adjacent, detection, edge area

Abstract

Segmentation of yellow fish egg spheres in digital images often fails due to the difficulty of determining the boundaries between adjacent or overlapping objects. This research proposes a geometry tracking-based segmentation method to solve the problem. This method uses triangulation of three important edge points around the object to determine the initial segment landmarks. Then, it uses their formation to form a complete circle of candidate segments. The set of pixels enveloped by this circle will be examined for shape and colour to be recognised as segments of an object or not. The method was tested on a fish egg image dataset containing more than 5,473 yellow-orange coloured fish egg spheres in 11 digital images. These egg sphere images vary in size, shape, brightness, contrast, density, shadow, noise, light reflection, and blur. Based on the experimental results, the method was able to correctly segment 4,370 egg spheres with 242 false segments and 1,103 undetected spheres. The performance metrics of this method are precision 94.7%, recall 79.8%, IoU 76.5%, and dice coefficient 86.7%.

Author Biographies

Putra Wisnu Agung Sucipto, Universitas Negeri Malang

Department of Electrical Engineering and Informatics

Annisa Firasanti, Universitas Islam 45

Electrical Engineering Study Program

Muhammad Amin Bakri, Universitas Islam 45

Electrical Engineering Study Program

Inna Ekawati, Universitas Islam 45

Electrical Engineering Study Program

Khusnul Yaqin, Universitas Hassanudin

Aquatic Resource Management Study Program

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Published

2025-03-28