Decompose to Adapt: Cross-domain Object Detection via Feature Disentanglement

Unsupervised domain adaptation (UDA) strategies have been proposed to transfer the domain-invariant info from the labeled resource domain to an unlabeled target domain. They enable to conduct personal computer vision responsibilities like item detection. Nevertheless, present strategies overlook the entanglement amongst the domain-shared and domain-private capabilities in the latent place.

Object detection is used in a very different settings, from an outdoors environment to a motion capture studio.

Object detection is applied in a quite distinctive configurations, from an outside natural environment to a motion capture studio. Picture credit score: Optitrack by means of Wikimedia, CC BY-SA 4.

A recent paper on arXiv.org proposes a novel strategy to increase the normal adversarial discovering-based mostly UDA item detection by means of aspect disentanglement.

The world wide Triplet Disentanglement module improves the aspect adaptation skill at the world wide amount. The Occasion Similarity Disentanglement module, based mostly on the similarity regularization amongst the shared and private capabilities, facilitates the aspect disentanglement at the nearby phase.

Researchers validated the strategy on numerous item detection responsibilities and showed that it outperforms condition-of-the-artwork.

Latest advancements in unsupervised domain adaptation (UDA) tactics have witnessed wonderful achievements in cross-domain personal computer vision responsibilities, enhancing the generalization skill of knowledge-pushed deep discovering architectures by bridging the domain distribution gaps. For the UDA-based mostly cross-domain item detection strategies, the majority of them relieve the domain bias by inducing the domain-invariant aspect technology by means of adversarial discovering system. Nevertheless, their domain discriminators have constrained classification skill thanks to the unstable adversarial education approach. As a result, the extracted capabilities induced by them simply cannot be beautifully domain-invariant and however incorporate domain-private factors, bringing obstacles to further more relieve the cross-domain discrepancy. To deal with this difficulty, we style a Domain Disentanglement More rapidly-RCNN (DDF) to get rid of the resource-precise info in the capabilities for detection job discovering. Our DDF strategy facilitates the aspect disentanglement at the world wide and nearby phases, with a World Triplet Disentanglement (GTD) module and an Occasion Similarity Disentanglement (ISD) module, respectively. By outperforming condition-of-the-artwork strategies on 4 benchmark UDA item detection responsibilities, our DDF strategy is shown to be efficient with wide applicability.

Investigate paper: Liu, D., “Decompose to Adapt: Cross-domain Object Detection by means of Aspect Disentanglement”, 2021. Hyperlink: https://arxiv.org/abdominal muscles/2201.01929