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A Robust and Fast Active Contour Model for Image Segmentation with Intensity Inhomogeneity

机译:具有强度不均匀性的图像分割的鲁棒快速主动轮廓模型

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In this paper, a robust and fast active contour model is proposed for image segmentation in the presence of intensity inhomogeneity. By introducing the local image intensities fitting functions before the evolution of curve, the proposed model can effectively segment images with intensity inhomogeneity. And the computation cost is low because the fitting functions do not need to be updated in each iteration. Experiments have shown that the proposed model has a higher segmentation efficiency compared to some well-known active contour models based on local region fitting energy. In addition, the proposed model is robust to initialization, which allows the initial level set function to be a small constant function.
机译:在本文中,提出了一种鲁棒且快速的主动轮廓模型,用于在存在强度不均匀性的情况下进行图像分割。通过在曲线演化之前引入局部图像强度拟合函数,该模型可以有效地分割强度不均匀的图像。而且由于不需要在每次迭代中更新拟合函数,因此计算成本较低。实验表明,与某些基于局部区域拟合能量的主动轮廓模型相比,该模型具有更高的分割效率。另外,所提出的模型对于初始化是鲁棒的,这允许初始水平集函数是小的常数函数。

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