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All Journal IAES International Journal of Artificial Intelligence (IJ-AI) JUTI: Jurnal Ilmiah Teknologi Informasi Jurnal Teknologi Informasi dan Ilmu Komputer International Journal of Advances in Intelligent Informatics ELINVO (Electronics, Informatics, and Vocational Education) JURNAL PENGABDIAN KEPADA MASYARAKAT Register: Jurnal Ilmiah Teknologi Sistem Informasi Jurnal Mantik Business Review and Case Studies Jurnal Nasional Teknik Elektro dan Teknologi Informasi
Humasak T. A. Simanjuntak
Institut Teknologi Del
Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Languange, Linguistic, Communication & Media Library & Information Science Social Sciences

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Automatic coloring of Ulos motif using large language model and non-dominated sorting differential evolution algorithm Arlinta Barus; Humasak Simanjuntak; Samuel Indra Gunawan Situmeang; Robert Aritonang; Nicholas Hutabarat; Grase Panjaitan
International Journal of Advances in Intelligent Informatics Vol 12, No 2 (2026): May 2026
Publisher : Universitas Ahmad Dahlan

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Abstract

Ulos is a traditional Batak textile with high cultural significance, yet artisans lack tools to modernize designs while preserving heritage. Previous research primarily uses single-objective methods that fail to accommodate user preferences. This study introduces the first multi-objective framework for traditional textile coloring, differentiating itself by using a Large Language Model (LLM) as a natural language interface for non-technical weavers. The LLM translates user design preferences into dynamic objective functions to guide a Non-dominated Sorting Differential Evolution (NSDE) algorithm. Performance is assessed using the epsilon (ϵ) indicator, aesthetic metrics (contrast and colorfulness), and user preference scores. The system achieved high convergence with an ϵ-indicator value of 2.1788×10^(-3) and user preference scores reaching 0.66. Additionally, a paired t-test (p=0.07) demonstrated the algorithm's robustness across parameter variations. This approach enables artisans to create culturally authentic, aesthetically optimized designs through intuitive interaction.
Co-Authors Adesty Saragih Arie Satia Dharma Arlinta Barus Arlinta Christy Barus Arlinta Christy Barus Banjarnahor, Wiwin Barus, Arlinta Claudia, Marwani Erisha Sitorus Febriani Gultom Gonzales, Helen Grace B. Goretti Situmorang Grase Panjaitan Hansel Septiyan Pasaribu Hutauruk, Agnes Lowiska Simanjuntak Lubis, Anju Ucok Lumbanraja, Amelia Magdalena Panjaitan Manurung, Joshua Koko Sarasi Manurung, Ruth Christine Margaretha, Patricia Dian Monica Butarbutar Nancy Panjaitan Nicholas Hutabarat Noramti Mardianti Manurung Panjaitan, Magdalena Panjaitan, Sintong Purba, Susi Rajagukguk, Nico Regita Ricton Samuel Sitorus Robert Aritonang Rosni Lumbantoruan Samosir, Gabriel Samuel Indra Gunawan Situmeang Siahaan, Lamsihar Silaban, Prince Ephraim Prabowo Silitonga, Yoshua Sintong Panjaitan Sitorus, Erisha Situmorang, Haryati Sormin, Venny Handayani Wesly Mailander Siagian Wiwin Sry Adinda Banjarnahor