Infrared and Laser Engineering, Volume. 51, Issue 7, 20210638(2022)
Domain adaptation for object detection in the frequency domain
Figures & Tables(7)
Fig. 1. Two-stage domain adaptation process in the frequency domain
Fig. 2. Unsupervised image translation from source domain to intermediate domain
Fig. 3. Domain adaptation for object detection in the frequency domain
Fig. 4. Visual comparison between the unsupervised image translation results in the frequency and spatial domains
Fig. 5. Comparison of detection results between ''Cityscapes Only''and the proposed algorithm
Table 1. Object detection results of different domain adaptation algorithms on Cityscapes → Foggy Cityscapes datasets
View tableView in ArticleTable 1. Object detection results of different domain adaptation algorithms on Cityscapes → Foggy Cityscapes datasets
Method Bus Bicycle Car Motor Person Rider Train Truck mAP(@.5) Cityscapes only 31.3% 33.8% 47.7% 20.2% 34.9% 40.5% 12.5% 17.8% 29.8% MDA[ 15 ]41.8% 36.5% 44.8% 30.5% 33.2% 44.2% 28.7% 28.2% 36.0% PDA[ 16 ]44.4% 35.9% 54.4% 29.1% 36.0% 45.5% 25.8% 24.3% 36.9% CFF[ 17 ]43.2% 37.4% 52.1% 34.7% 34.0% 46.9% 29.9% 30.8% 38.6% Proposed algorithms 48.1% 42.7% 61.9% 32.1% 43.1% 49.1% 17.7% 25.4% 39.9%
Table 2. Results of the ablation experiments corresponding to the two stages of the proposed algorithm
View tableView in ArticleTable 2. Results of the ablation experiments corresponding to the two stages of the proposed algorithm
Algorithm Bus Bicycle Car Motor Person Rider Train Truck mAP(@.5) Cityscapes only 31.3% 33.8% 47.7% 20.2% 34.9% 40.5% 12.5% 17.8% 29.8% Ours w/o stage 2 39.3% 38.5% 63.3% 28.0% 39.6% 42.4% 15.7% 23.6% 36.3% Ours w/ostage 1 41.3% 39.0% 58.4% 28.6% 42.4% 44.7% 10.7% 23.6% 36.1% Full model 48.1% 42.7% 61.9% 32.1% 43.1% 49.1% 17.7% 25.4% 39.9%
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Yuenan Li, Haoyu Xu, Hao Dong. Domain adaptation for object detection in the frequency domain[J]. Infrared and Laser Engineering, 2022, 51(7): 20210638
Paper Information
Category: Image processing
Received: Jan. 20, 2022
Accepted: --
Published Online: Dec. 20, 2022
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