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Learning Rich Features for Image Manipulation Detection

CVPR 2018 · Detection and segmentation › CNN features · approach: Forgery detection · 766 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
combine RGB and SRM-noise features with bilinear pooling (ablation)Faster R-CNN manipulation detector · NIST16, COVER, CASIAF1 score: 0.567 -> 0.722; 0.391 -> 0.437; 0.392 -> 0.408Helped
combine RGB and SRM-noise features with bilinear pooling (ablation)Faster R-CNN manipulation detector · ColumbiaF1 score: 0.585 -> 0.697; 0.705 -> 0.697Mixed
replace late fusion of detected boxes with bilinear feature pooling (ablation)RGB-N · NIST16, Columbia, COVER, CASIAF1 score: 0.625 -> 0.722; 0.681 -> 0.697; 0.371 -> 0.437; 0.397 -> 0.408Helped
use RGB features for RPN proposals instead of noise features (ablation)two-stream Faster R-CNN · Synthetic COCO testAP: 0.472 -> 0.627Helped
use both RGB and noise features as RPN input rather than RGB features only (ablation)two-stream Faster R-CNN · Synthetic COCO testAP: 0.620 -> 0.627No clear effect
add image flipping augmentation (ablation)RGB-N · COVERF1 score: 0.312 -> 0.437Helped
add image flipping augmentation (ablation)RGB-N · NIST16F1 score: 0.716 -> 0.722No clear effect
add JPEG compression or Gaussian-noise augmentation beyond flipping (ablation)RGB-N · NIST16, COVER, CASIAF1 score: Flipping 0.722/0.437/0.408; JPEG 0.712/0.425/0.413; noise 0.717/0.412/0.396Hurt
use only the RGB stream instead of RGB and noise streams (ablation)Faster R-CNN manipulation detector · Synthetic COCO testAP: 0.445 -> 0.627Hurt
use only the noise stream instead of RGB and noise streams (ablation)Faster R-CNN manipulation detector · Synthetic COCO testAP: 0.461 -> 0.627Hurt

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