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	Domänadaptiv instanssegmentering	Semantisk segmentering
Ämnesområde	Djupinlärning	Djupinlärning
Familj	Machine learning	Machine learning
Ursprungsår	2018–2021	2015
Upphovsperson	Chen, Y. et al. (domain-adaptive detection); extended to instance segmentation by multiple groups ~2019–2021	Long, J., Shelhamer, E., & Darrell, T.
Typ	Domain adaptation + instance segmentation	Dense prediction / pixel-wise classification
Ursprungskälla	Chen, Y., Li, W., Sakaridis, C., Dai, D., & Van Gool, L. (2018). Domain Adaptive Faster RCNN for Object Detection in the Wild. In Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 3339–3348.	Long, J., Shelhamer, E., & Darrell, T. (2015). Fully convolutional networks for semantic segmentation. In Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition (CVPR), pp. 3431–3440.
Alias	DA-InstanceSeg, cross-domain instance segmentation, domain adaptation for instance segmentation, unsupervised domain adaptive Mask R-CNN	pixel-wise classification, scene parsing, dense labeling, semantic scene segmentation
Närliggande	3	5
Sammanfattning	Domain-adaptive instance segmentation extends Mask R-CNN-style architectures to operate across distribution shifts — training on a labeled source domain (e.g., synthetic renderings or daytime images) and adapting to an unlabeled or weakly labeled target domain (e.g., real scenes or nighttime footage). Adversarial feature alignment and self-training close the domain gap at both image-level and instance-level granularity.	Semantic segmentation assigns a class label to every pixel in an image, producing a dense, category-annotated map of the scene. Unlike object detection, which draws bounding boxes, it delineates the exact spatial extent of each class, making it indispensable in medical imaging, autonomous driving, satellite analysis, and any task where precise region boundaries matter.