HM: Hybrid Masking for Few-Shot Segmentation
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
We study few-shot semantic segmentation that aims to segment a target object from a query image when provided with a few annotated support images of the target class. Several recent methods resort to a feature masking (FM) technique to discard irrelevant feature activations which eventually facilitates the reliable prediction of segmentation mask. A fundamental limitation of FM is the inability to preserve the fine-grained spatial details that affect the accuracy of segmentation mask, especially for small target objects. In this paper, we develop a simple, effective, and efficient approach to enhance feature masking (FM). We dub the enhanced FM as hybrid masking (HM). Specifically, we compensate for the loss of fine-grained spatial details in FM technique by investigating and leveraging a complementary basic input masking method. Experiments have been conducted on three publicly available benchmarks with strong few-shot segmentation (FSS) baselines. We empirically show improved performance against the current state-of-the-art methods by visible margins across different benchmarks. Our code and trained models are available at: https://github.com/moonsh/HM-Hybrid-Masking © 2022, The Author(s), under exclusive license to Springer Nature Switzerland AG.
Frequency modulation, Semantics, Feature masking, Few-shot learning, Few-shot segmentation, Fine grained, Masking technique, Query images, Segmentation masks, Semantic segmentation, Shot segmentation, Target object, Computer Vision and Pattern Recognition (cs.CV)
S. Moon et al, "HM: Hybrid Masking for Few-Shot Segmentation", in Computer Vision (ECCV 2022), Lecture Notes in Computer Science, vol. 13680, pp. 506-523, Oct. 2022, doi:10.1007/978-3-031-20044-1_29
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