Single-Domain Generalized Object Detection by Balancing Domain Diversity and Invariance

• URL: http://arxiv.org/abs/2502.03835v2
• Date: Tue, 26 Aug 2025 10:52:26 GMT
• Title: Single-Domain Generalized Object Detection by Balancing Domain Diversity and Invariance
• Authors: Zhenwei He, Hongsu Ni,
• Abstract summary: Single-domain generalization for object detection seeks to transfer learned representations from a single source domain to unseen target domains.<n>This paper proposes the Diversity Invariant Detection Model (DIDM), which achieves integration of domain-specific diversity and domain invariance.<n>Experiments on multiple diverse datasets demonstrate the effectiveness of the proposed model, achieving superior performance compared to existing methods.
• Score: 2.5183599110662054
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Single-domain generalization for object detection (S-DGOD) seeks to transfer learned representations from a single source domain to unseen target domains. While recent approaches have primarily focused on achieving feature invariance, they ignore that domain diversity also presents significant challenges for the task. First, such invariance-driven strategies often lead to the loss of domain-specific information, resulting in incomplete feature representations. Second, cross-domain feature alignment forces the model to overlook domain-specific discrepancies, thereby increasing the complexity of the training process. To address these limitations, this paper proposes the Diversity Invariant Detection Model (DIDM), which achieves a harmonious integration of domain-specific diversity and domain invariance. Our key idea is to learn the invariant representations by keeping the inherent domain-specific features. Specifically, we introduce the Diversity Learning Module (DLM). This module limits the invariant semantics while explicitly enhancing domain-specific feature representation through a proposed feature diversity loss. Furthermore, to ensure cross-domain invariance without sacrificing diversity, we incorporate the Weighted Aligning Module (WAM) to enable feature alignment while maintaining the discriminative domain-specific information. Extensive experiments on multiple diverse datasets demonstrate the effectiveness of the proposed model, achieving superior performance compared to existing methods.

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