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논문 기본 정보

저자정보
(Seoul National University of Science and Technology) (Seoul National University of Science and Technology) (Korea Institute of Industrial Technology) (University of Ulsan College of Medicine) (Seoul National University of Science and Technology)
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한국HCI학회 한국HCI학회 학술대회 PROCEEDINGS OF HCI KOREA 2026 학술대회 발표 논문집
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    초록·키워드

    Automated carotid artery segmentation in ultrasound imaging is critical for clinical assessment, yet manual segmentation remains time-consuming and labor-intensive. Recent advances in the Segment Anything Model (SAM) have enabled automated segmentation through auto-prompting; however, existing approaches predominantly rely on either sparse prompts (e.g., bounding boxes and points) or dense prompts (e.g., previous-frame masks). Using only one type of prompt causes instability, including over-segmentation and error propagation, particularly in noisy ultrasound imaging. To address these limitations, we propose a sparse-dense integrated auto-prompt SAM that integrates complementary prompt types to enhance segmentation robustness. Inspired by human perceptual mechanisms, our method combines bounding boxes, key points, and edge-aware embeddings extracted from artery boundary maps, enabling SAM to better distinguish vessel structures from surrounding tissue. Experiments on the CCAUI and SegThy datasets demonstrate that the proposed method achieves 96.43% Dice, 93.13% IoU, and 0.17- pixels Hausdorff distance, outperforming conventional sparse-only or dense-only prompting strategies. These results highlight the efficacy of integrating sparse and dense auto-prompts for accurate carotid artery segmentation in ultrasound imaging.

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      UCI(KEPA) : I410-151-26-02-096522953