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All Journal 'ADALAH
Ade Irma Elvira
Universitas Indonesia
Law, Crime, Criminology & Criminal Justice

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Retinal Blood Vessel Segmentation Based on Encoder and Decoder Networks Using Weighted Cross Entropy Loss Function Dinial Utami Nurul Qomariah; Handayani Tjandrasa; Ade Irma Elvira
BULETIN ADALAH Vol. 9 No. 6 (2025)
Publisher : UIN Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/adalah.v9i6.44857

Abstract

Retinal disease that has a major impact on human vision is diabetic retinopathy. Diabetic retinopathy is a disease caused by advanced diabetic mellitus. Early detection of the disease is very importance. An automated system that can recognize retinal blood vessel abnormalities is very useful for providing quick information to prevent further damage to the retina. In this study, we propose an automated system for segmenting the blood vessels in retinal fundus images using semantic segmentation based on pre-trained from VGG transfer learning and using median frequency balancing weights for the cross entropy loss function. The median frequency weights are to balance the importance of blood vessel and background pixels to get more accurate training results. The integration of encoder and decoder networks utilizing VGG transfer learning and semantic segmentation can segment retinal blood vessels with a sensitivity value of 85.48% using the DRIVE and STARE database.
URBAN AGRICULTURE: A SUSTAINABLE APPROACH TO LAND MANAGEMENT Ade Irma Elvira; Wiwit Ayu Pradana
BULETIN ADALAH Vol. 9 No. 6 (2025)
Publisher : UIN Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/adalah.v9i6.45132

Abstract

Urban agriculture is farming conducted within urban communities and can be utilized as an efficient way to make use of land and natural resources. Urban areas currently consume 80% of the total energy produced globally and contribute over 70% to the total global greenhouse gases (GHGs) emissions. Urban agriculture can implement environmental sustainability by reducing GHG emissions and maintaining the air quality of cities. Various methods such as hydroponics, vertical farming, wall gardening, and aquaponics can be adopted to enhance agricultural productivity within limited urban spaces. Sustainable efforts need comprehensive policies regulating urban agriculture, including expanding household gardens, utilizing environmentally friendly technologies, and fostering stakeholder cooperation for urban agricultural development. This paper aims to highlight the importance of urban agriculture in achieving sustainable land management.
Co-Authors Dinial Utami Nurul Qomariah Handayani Tjandrasa Wiwit Ayu Pradana