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.
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。
By using this method, mixed noise of ct image can be denoised and contour information of vertebra of ct image can be protected very well.
该方法在去除CT图像中混合噪声的同时能很好的保护图像的轮廓信息。
During the process, noise model is built by Gaussian statistics algorithm, which can extract moving object contour accurately and quickly.
在此过程中，使用高斯统计的方法建立噪声模型，使得该方法能更准确快速提取目标的轮廓。
To resolve the non-gauss noise problem such as wave fluctuating acutely at sea, a new algorithm for extracting object contour is presented.
针对波浪持续起伏较大的非高斯噪声，提出了一种目标轮廓提取的新方法。
The method can converge to target contour rapidly. Experiments show that it can track moving target fast and exactly, and it is robust to noise.
实验证明该方法运算速度快、能够快速地收敛到目标轮廓、准确地跟踪目标，并具有一定的抗噪能力。
During contour evolution, the particle filter (PF) is used to track the feature points by enforcing spatiotemporal local constraints to handle the observation noise.
为避免观测噪声的影响，增加轮廓的时空局部约束并利用粒子滤波(PF)技术解决该类跟踪问题是非常有效的。
The chain code was replaced by the shape signature and used to express the contour, improve the speed and decrease the effect of noise and transformation due to camera calibration.
在特征表示方面，用形状签名代替链码来描述轮廓，从而提高了计算速度，降低了由噪声干扰和镜头形变造成的影响。
This paper aims to find a practical method to extract skeletons that have strong robustness to the noise and maintain the continuity excellently from contour.
本文旨在寻求一种对边界噪声有较强的鲁棒性，并能够保持骨架连续性的实用型骨架提取方法。
The noise characteristics of the idle bandsaw were measured with sound intensity method. The values of sound intensity, vector chart, contour chart and mesh chart of noise were obtained.
使用声强法对木工带锯机的噪声特性进行了测量，测得三面的声强值和噪声的矢量图、高线图、三维图。
Due to the complexity of the external environment, moving target detected in video surveillance always possessed contour defects, as well as shadow and noise problems.
由于外界环境的复杂性，视频监控中检测出的运动目标往往轮廓缺损，并伴随阴影和噪声等问题。
The aircraft with high accuracy, high speed, low noise characteristics, can be carried out on flat glass cutting a straight line and contour.
该机具有高精度、高速度、低噪音的特点，可对平板玻璃进行直线和异形切割。
The aircraft with high accuracy, high speed, low noise characteristics, can be carried out on flat glass cutting a straight line and contour.
该机具有高精度、高速度、低噪音的特点，可对平板玻璃进行直线和异形切割。
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