Darajat, Krisna Dzakyya Darajat (2026) PERBANDINGAN MODUL ATENSI COORDINATE ATTENTION (CA) DAN CONVOLUTIONAL BLOCK ATTENTION MODULE (CBAM) PADA ARSITEKTUR YOLOV8N-OBB UNTUK DETEKSI RETAK JEMBATAN. Undergraduate thesis, Universitas Nusantara PGRI Kediri.
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Abstract
Inspeksi visual manual pada retak rambut jembatan bersifat subjektif dan memakan waktu. Penelitian ini bertujuan membandingkan performa deteksi retak menggunakan deep learning YOLOv8n-OBB standar (Baseline) dengan model modifikasi mekanisme atensi Coordinate Attention (CA) dan Convolutional Block Attention Module (CBAM). Melalui metode eksperimental kuantitatif, ketiga model dilatih dengan parameter identik pada dataset SDNET2018 (4.505 citra OBB). Modul CA dan CBAM diintegrasikan pada bagian Backbone dan Neck arsitektur YOLOv8 nano. Evaluasi diukur berdasarkan metrik Mean Average Precision (mAP), Precision, Recall, dan Inference Time. Hasil pengujian menunjukkan Baseline YOLOv8n-OBB menghasilkan performa optimal dengan mAP@50 tertinggi (81,3%) dan inferensi tercepat (121,1 ms). Penambahan modul CA menurunkan mAP menjadi 80,9% akibat miskalkulasi penyandian koordinat spasial 1D dengan Angle Loss kotak OBB. Di sisi lain, CBAM meraih Recall tertinggi (75,3%) berkat filter denoising agresif terhadap noise beton, namun menurunkan Precision (75,4%) dan menghasilkan inferensi terlambat (128,3 ms). Kesimpulannya, arsitektur Baseline paling direkomendasikan untuk deteksi objek bersudut miring secara umum, sementara modifikasi CBAM hanya disarankan jika sistem memprioritaskan kehati-hatian deteksi (Recall).
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Uncontrolled Keywords: | Deteksi Retak, YOLOv8n-OBB, Coordinate Attention, CBAM, Deep Learning. |
| Subjects: | 410 Engineering science > 420 Civil engineering and spatial planning 410 Engineering science > 421 Civil engineering 410 Engineering science > 457 Computer engineering 410 Engineering science > 458 Technical information 410 Engineering science > 459 Computer science 410 Engineering science > 462 Information technology |
| Divisions: | Fakultas Teknik dan Ilmu Komputer > S1-Teknik Informatika |
| Depositing User: | Krisna Dzakyya Darajat |
| Last Modified: | 07 Aug 2026 12:42 |
| URI: | http://repository.unpkediri.ac.id/id/eprint/28451 |
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