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Research map / Detection and segmentation / CNN features

Knowledge Adaptation for Efficient Semantic Segmentation

CVPR 2019 · Detection and segmentation › CNN features · approach: Context modeling for semantic segmentation · 229 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add affinity distillation (ablation)MobileNetV2-16s · Pascal VOC trainaug to valmIOU(%): 70.57 to 71.53Helped
add knowledge adaptation to affinity distillation (ablation)MobileNetV2-16s · Pascal VOC trainaug to valmIOU(%): 71.53 to 72.50; another 0.97 pointHelped
use knowledge adaptation and affinity distillation instead of the student baselineMobileNetV2 · Pascal VOC 2012 valmIOU(%): 70.57 -> 72.50Helped
apply output-logit knowledge distillation at temperatures 2, 4, or 8 (ablation)MobileNetV2 · Pascal VOC trainaug to valmIOU(%): 71.32; 71.21; 70.74Mixed
match intermediate representations with FitNet (ablation)MobileNetV2 · Pascal VOC trainaug to valmIOU(%): 70.57 -> 71.30Helped
replace FitNet matching with the proposed translated-knowledge method (ablation)MobileNetV2 · Pascal VOC trainaug to valmIOU(%): 71.30 to 72.50; 1.2 pointsHelped
distill from Xception-41 rather than ResNet-50 (ablation)MobileNetV2-1.0 · Pascal VOC 2012 valmIOU(%): 72.50 vs 72.40No clear effect
increase MobileNetV2 width multiplier to 1.3 under the proposed method (ablation)MobileNetV2 · Pascal VOC 2012 valmIOU(%): 72.50 to 74.26; 1.66Helped
increase MobileNetV2 width multiplier to 1.4 under the proposed method (ablation)MobileNetV2 · Pascal VOC 2012 valmIOU(%): 73.36 to 74.07; 0.71Helped
apply the proposed methodMobileNetV2 · Pascal Context valmIOU(%): 39.9 to 41.2; 1.3 pointsHelped
apply the proposed methodMobileNetV2 · Cityscapes testmIOU (%): 70.2 to 72.7; 2.5 pointsHelped
apply the proposed methodMobileNetV2 · Cityscapes valmIOU (%): 68.9 to 71.0Helped

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