最后展望了主动轮廓模型在图像对准中的应用。
Finally, the potential application of active contour in image registration is discussed.
主动轮廓模型已经广泛的应用在图像处理和计算机视觉中。
Active contour models have been widely used in image processing and computer vision.
利用改进主动轮廓模型的自动跟踪功能，实现河流的最终提取。
Utilizing automated tracking function of an improved snake model extracts river finally.
短程线主动轮廓模型是近几年提出的一种有效的多目标轮廓提取算法。
Geodesic active contour model is an effective method for the contour detection of multiple objects on an image.
然后详细探讨了两类重要的形变模型——主动轮廓模型和主动形状模型的基本原理和实现方法。
Fundamentals and implementations of two kinds of basic deformable models, active contour model and active shape model, were discussed in detail.
针对传统主动轮廓模型不能有效拟合凹陷轮廓的问题进行研究，从内部、外部能量两方面进行分析。
The problem of dismatching concave contours in traditional active contour model is studied, with an analysis of both internal and external energy.
但是短程线主动轮廓模型的能量函数及其解法存在很多局限性，如数值计算的不稳定性和控制点存在不收敛的可能性等等。
Nonetheless, the energy function of the GACM and its solving algorithm has many restrictions, such as instability of numerical computation, probability of divergence of control points.
对动态图像的仿真实验表明，改进后的主动轮廓线模型能很好地收敛到物体的凹陷边界，且具有良好的抗噪性。
The simulative experiment of dynamic image shows that the boundary of a hollow object can be well reached in the improved active contour model, and the model has a good anti-noise property.
第二项是形状能量项，它保证主动轮廓在统计形状模型所允许的范围下形变；
The second term is based on the shape information, which constrains the active contour to approach a shape compatible with a statistical shape model of the shape of interest.
为了改进主动轮廓线模型求解过程中轮廓线初始位置的敏感性，通常要采用一些方法扩大图像力的作用域。
To improve the active contour model's sensitivity to its initial position, some methods must be applied to widen the image force scope.
针对测地线主动轮廓(GAC)模型进行了改进，提出了一种基于区域的GAC模型。
A new model of Geodesic Active Contour (GAC) based on region was presented, which was the improvement of traditional GAC model.
主动轮廓线模型引入高层知识，在处理局部间断的边缘时，具有优于传统轮廓提取方法的提取效果。
With the introduction of high level information, Snake model has more satisfactory effects than what gained by the traditional method when dealing with disconnected edges in the image.
几何主动轮廓线模型是一种有效的图像分割方法。但对于被噪声严重干扰的目标依然很难准确分割。
Geodesic active contour is a useful image segmentation method, but it may fail to segment the objects disturbed by complex noises.
提出了一种基于分水岭变换和主动轮廓 模型相结合的自动轮廓 分割算法。
The tongue body shape was automatically extracted using a watershed transform and an active contour model.
针对现有图像分割模型对光照敏感，提出一种新的基于区域的主动轮廓线模型。
This paper proposes a new region-based active contour for existing images segmentation model to light-sensitive.
针对现有图像分割模型对光照敏感，提出一种新的基于区域的主动轮廓线模型。
This paper proposes a new region-based active contour for existing images segmentation model to light-sensitive.
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