Skripsi
PERBAIKAN KUALITAS CITRA BAWAH AIR MENGGUNAKAN CONVOLUTIONAL NEURAL NETWORK (CNN) DENGAN ARSITEKTUR U-NET
Underwater images suffer from degradation caused by light refraction and suspended particles, resulting in the appearance of noise, color casts, low contrast, and loss of fine details, hindering further vision tasks like object detection. This study implements Residual U-Net Model, incorporating Residual blocks onto each convolutional block in the encoder side to improve feature extraction and preserve finer details. Using the EUVP dataset, with a total of 13.678 underwater images, the model is trained using a combined L1 and SSIM Loss Function. Quantitative evaluation for the paired images achieved MSE score of 5.3×10⁻⁵, PSNR of 24.97dB, and SSIM of 0.861. Meanwhile for the unpaired images the model achieved the average UIQM and UCIQE score of 2.849 and 22.17 respectively. Furthermore, Visual assessments and object detection testing also demonstrated improvements in visual clarity and detection accuracy on the reconstructed images, confirming the model’s effectiveness in restoring degraded underwater images.
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