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Journal : journal of green complex engineering

Turning Turnitin Highlights into Structured Data with Report-Aware HSV Segmentation and GPU-Enabled OCR Mutiara yusuf; Rizki Yusliana Bakti; Titin Wahyuni
Journal of Green Complex Engineering Vol. 4 No. 1 (2026): August
Publisher : Gio Architect

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59810/greenplexresearch.v4i1.284

Abstract

Turnitin similarity reports contain rich spatial, color, and textual information, yet highlighted passages are usually inspected visually rather than converted into structured data. This study develops a report-aware pipeline that transforms color-coded Turnitin highlights into analyzable records. The method combines PDF rendering, page-type triage, hue–saturation–value (HSV) segmentation, morphological processing, connected-component analysis, geometric filtering, and GPU-enabled optical character recognition (OCR), with PDF text-layer inspection as supporting information. The evaluation corpus comprised 106 reports and 3,057 pages. Page triage identified 1,315 highlight-bearing pages and routed 56.98% of pages away from detailed processing. HSV segmentation produced eight color classes and 11,471 pre-filter components. After filtering and text extraction, 7,530 structured records were retained; 76.75% satisfied the predefined good-readability criterion, 20.04% were very short fragments, and 3.21% were noisy, garbled, or empty. Document workload was strongly right-skewed. The results establish systems-level feasibility for auditable extraction without treating textual similarity as automatic evidence of plagiarism or the readability indicator as OCR accuracy.
Co-Authors . Darniati A M Hayat, Muhyddin Abdul Rakhim Nanda Adrianingsih, Rizka Afil Anugrah Ahmad Nur Rahman Ahmad Risal ANDI AGUNG DWI ARYA BULU Andi Makbul Syamsuri ANDI MAWADDA TAIBA MAWADDA TAIBA Andi Yusri Ari Ahmad Dahril Azzah Aulia Syarif Burhanuddin, Fathurrahman Chatarina Umbul Wahyuni Danuputri, Chyquitha Darniati Desi Anggreani Dewi MJ, Wanda Tyrana Dewi, Syamrilla Emil Agus Salim Habi Talib Erika Yanti Fachrim Irhamna Rachman Fahrim I. Rahman Fahrim Irhamna Rachman Fahrim Irhamna Rachman Fahrim Irhmna Rachman Faturohman, Agung Fauzan Azhari Rahman Firdaus Fidaus Galbi Nadifah Hadawina Hadawina Haruna, Hanjas Hayat, Muhyddin A.M Ibnul Imamul Muttaqin Ida Ida Indriani, Lis Iskandar, Aryansyah Ismail, La Ode Taufik Jihan Izzathul Mujidah Kamsurya, Rianita Kazman Riyadi La Ode Taufik Ismail La Ode Taufik Ismail Lukman Lukman LUKMAN ANAS Lukman Anas Lukman Lukman Lukman Lukman Lukman Lukman LUKMAN, LUKMAN M Agusalim M. Fikri Haikal Ayatullah Maharani, Afifah Makmur Jaya Nur Muh Nur Aqsal Aminullah Muh.Dirham Rahim Muhammad Aditya Yudhistira Muhammad Asygar Faeruddin Muhammad Faisal Muhammad Faturrachman Iswan Muhammad Hasraddin Hasnan Muhammad Syafaat S. Kuba Muhyiddin A.M Hayat Muliana Muslimah, Nurul Aulia Muthalib, Ade Nirwani Abdurahman Mutiara yusuf Nandy Rizaldy Najib Nini Apriani Rumata Nur Alam Nur Rahman, Ahmad Nurfadillah Nurfadillah Nurnawaty Prima Abdiguna, Aidhil Rahmania RAHMANIA Rahmania Rasyidi, Muhammad Fachri Reski Abbas Reski Awalia Rezki Asriani Ridwang Ridwang Ridwang Ridwang Ridwang, Ridwang Sa'ban Sa'ban Salam, Abd Sarina Sri Hastati Suandi Aritmawijaya Sulaeman Suriani Suriani Syahril Akbar Syahrul Ramadhan Syamsul Alam TANTRI INDRABULAN Thariq, Ahmad Titik Khawa Abd Rahman Titik Khawa Abdul Rahman Titin Wahyuni Ulil Amri Usman, Ansharullah Patiroi Utama, Prengki Putra Virgiawan, David Arian Wa Nanda Sulystrian Wibawa. Ar, Arya Yanti, Wilda Yumi