BezierSeg: Parametric Shape Representation for Fast Object Segmentation in Medical Images
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Abstract (arXiv)
Delineating the lesion area is an important task in image-based diagnosis. Pixel-wise classification is a popular approach to segmenting the region of interest. However, at fuzzy boundaries such methods usually result in glitches, discontinuity, or disconnection, inconsistent with the fact that lesions are solid and smooth. To overcome these undesirable artifacts, we propose the BezierSeg model which outputs bezier curves encompassing the region of interest. Directly modelling the contour with analytic equations ensures that the segmentation is connected, continuous, and the boundary is smooth. In addition, it offers sub-pixel accuracy. Without loss of accuracy, the bezier contour can be resampled and overlaid with images of any resolution. Moreover, a doctor can conveniently adjust the curve's control points to refine the result. Our experiments show that the proposed method runs in real time and achieves accuracy competitive with pixel-wise segmentation models.
Key facts. Cited by 4 papers in the map (data through 7 Oct 2026). Builds on 23 of its 33 references that are in the map. First posted on arXiv 2 Aug 2021.
Builds on
23 of 33 references.
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11 more
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Built on by
Citing papers per year: 2022: 1; 2023: 1; 2024: 0; 2025: 1; 2026: 1.
4 papers.
- 2022FCSN: Global Context Aware Segmentation by Learning the Fourier Coefficients of Objects in Medical Imagescited by 3
- 2023FourierLoss: Shape-Aware Loss Function with Fourier Descriptorscited by 1
- 2025Bridging Vision, Language, and Mathematics: Pictographic Character Reconstruction with B'ezier Curvescited by 0
- 2026PRISM-DR: Per-lesion Retinal Inference with Specialist Models for Diabetic Retinopathycited by 0
- 2026PRISM-DR: Per-lesion Retinal Inference with Specialist Models for Diabetic Retinopathy22 Jul 2026
- 2025Bridging Vision, Language, and Mathematics: Pictographic Character Reconstruction with B'ezier Curves29 Oct 2025
- 2023FourierLoss: Shape-Aware Loss Function with Fourier Descriptors21 Sep 2023
- 2022FCSN: Global Context Aware Segmentation by Learning the Fourier Coefficients of Objects in Medical Images29 Jul 2022