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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control) JBIMA: Jurnal Pengabdian kepada Masyarakat
Siti Ma’shumah
Universitas Qomaruddin
Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Public Health Other

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Pelatihan Pemasangan Panel Solar Cell di Madrasah Aliyah Al Ishla Gresik sebagai upaya implementasi sekolah ramah lingkungan Ellys Kumala Pramartaningthyas; Nur Afiyat; Mohammad Hariyadi; Siti Ma’shumah
Jurnal Pengabdian kepada Masyarakat Vol 3 No 1 (2026)
Publisher : PT. Edutech Inovatif Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64109/w3yg1n51

Abstract

Kegiatan pengabdian kepada masyarakat ini dilatarbelakangi oleh meningkatnya kebutuhan akan penerapan praktik berkelanjutan di lingkungan pendidikan sebagai bagian dari upaya mitigasi perubahan iklim dan efisiensi energi. Lembaga pendidikan memiliki peran strategis dalam menanamkan kesadaran lingkungan sejak dini melalui penerapan teknologi ramah lingkungan. Tujuan kegiatan ini adalah untuk mendorong penerapan energi terbarukan di sekolah melalui pelatihan langsung mengenai instalasi dan pemanfaatan panel surya di Madrasah Aliyah Al I Gresik. Metode pelaksanaan kegiatan meliputi observasi awal kebutuhan energi sekolah, penyusunan modul pelatihan, demonstrasi instalasi panel surya, serta pendampingan teknis bagi guru dan siswa. Kegiatan ini dirancang untuk meningkatkan pemahaman peserta terhadap konsep dan sistem kerja energi surya, menumbuhkan perilaku hemat energi, serta memperkuat budaya peduli lingkungan di lingkungan sekolah. Hasil pelaksanaan menunjukkan adanya peningkatan signifikan dalam pengetahuan dan keterampilan peserta terkait energi surya, serta munculnya komitmen sekolah untuk mengintegrasikan penggunaan energi terbarukan dalam kegiatan belajar mengajar dan operasional sehari-hari. Kegiatan ini memberikan implikasi positif terhadap pengembangan sekolah hijau yang mandiri energi, serta dapat dijadikan model implementasi pendidikan energi berkelanjutan bagi lembaga pendidikan lainnya.
Improving PaddleOCR optical character recognition for food composition labels using hybrid SymSpell and LayoutLM correction Ahmad Wahyu Rosyadi; Siti Ma’shumah; Muhammad Qomaruz Zaman
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 24, No 5: October 2026
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v24i5.27607

Abstract

A high level of text recognition accuracy is crucial for optical character recognition (OCR) applications, particularly those designed to extract information from food composition labels. However, packaging materials often introduce distortions, reflections, or irregular printing, which lead to recognition errors and word concatenation. To mitigate this issue, this study proposes a novel post-processing system that integrates PaddleOCR with the spelling correction (SymSpell) algorithm and layout language model (LayoutLM)-guided bigram-based word segmentation to enhance OCR accuracy. The implementation begins with capturing a composition label image using a smartphone camera, followed by initial text extraction performed by PaddleOCR. Consequently, SymSpell corrects misspelled tokens through a domain-specific food and beverage lexicon, while LayoutLM leverages spatial and contextual information to separate concatenated words. The performance was evaluated using the character error rate (CER) metric across four packaging surface categories: flat, curved, reflective, and textured. The results demonstrate consistent improvements across all categories, achieving an average CER of 0.0991, with the greatest reduction on flat surfaces (from 0.0885 to 0.0659). The experiments show that the system is robust across label conditions, lightweight for real-time use, and domain-aware. Its model-agnostic design adds flexibility, enabling effective post-OCR correction across different engines and improving readability for real-world food label applications.
Co-Authors Ahmad Wahyu Rosyadi Ellys Kumala Pramartaningthyas Mohammad Hariyadi Muhammad Qomaruz Zaman Nur Afiyat