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enhancement filter
相关语句
  增强滤波
     Watersheld algorithm is used to choose the suitable initial gray level threshold which is used to change the gray level images taken by PIV to black and white ones, then every particle in an image is isolated totally. For every isolating particle, its contour is tracked by the edge enhancement filter function and kept by Freeman's chain code.
     为了提高测量的速度,采用Watersheld算法计算图像中每个颗粒的灰度域值,应用边缘增强滤波算子搜索每个颗粒图像的边缘,并用Freeman链的格式保存搜索结果.
短句来源
     The paper designs a computer-aided diagnosis system of ultrasonic medical images based on nonlinear enhancement filter and level-set method. The system aims to improve the quality of medical ultrasonic images and implement semi-automatic quantitative analysis by reducing noise and segmenting images.
     设计一个基于非线性增强滤波方法和水平集方法的超声医学图像计算机辅助诊断系统,主要对图像进行降噪处理和分割,以改善超声医学图像质量,实现半自动化定量分析.
短句来源
  “enhancement filter”译为未确定词的双语例句
     The Application of Adaptive Line Enhancement Filter in Extracting Cutaneous Electrogastrogram
     自适应谱线增强滤波器在体表胃电提取中的应用
短句来源
     FINGERPRINT ENHANCEMENT FILTER'S PARAMETERS SELECTION BASED ON FUZZY LOGIC THEORY
     基于模糊逻辑的指纹滤波器参数选择
短句来源
     Capturing Fine Particles Using Magnetical Enhancement Corona Pre-Charger in the Front of an Electrostatic Enhancement Filter
     静电增强过滤器前应用磁增强预荷电技术捕集微细颗粒的研究
短句来源
     Then a special adaptive enhancement filter was analysedand devised for such image.
     然后分析设计了一种适合于处理水下光图象的自适应增强滤波器.
短句来源
     Based on the principle of adaptive filtering, The higher signal-to-noise ratio of electrogastrogram data can be extracted from abdomen skin with the adaptive line enhancement filter.
     在体表胃电信号提取中 ,采用FIR自适应谱线增强器滤波技术 ,抵消噪声 ,达到提高体表胃电信噪比目的。
短句来源
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  enhancement filter
associated with a classical image enhancement filter, the Kramer operator and compare it with another classical shock filter, the Osher-Rudin filter.
      
Our enhancement filter is derived from the matchedfilter scheme and is based on the following criteria.
      
Metz and Wiener are exactly the same as a contrast enhancement filter and different as a lowpass filter.
      
In addition, a spectral enhancement filter improves the match of the processed speech with the original speech in formant regions.
      
Figure 4.41 Contrast Sharpening Filter Figure 4.42 Recovered Watermark Contrast enhancement filter is commonly used as an image-processing tool.
      
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The paper firstly analysed the character of underwater light image——very low contrast and resolution.The main factors affecting the quality of underwater light image are backscatter and small-angle forward scatter.Amathematical model of underwater light image was built.Then a special adaptive enhancement filter was analysedand devised for such image.The algorithm has three shortcomings:(1)“ring”response;(2)“salt and pepper”noise;(3)simultaneous enhancement of high frequency noise and image details.But...

The paper firstly analysed the character of underwater light image——very low contrast and resolution.The main factors affecting the quality of underwater light image are backscatter and small-angle forward scatter.Amathematical model of underwater light image was built.Then a special adaptive enhancement filter was analysedand devised for such image.The algorithm has three shortcomings:(1)“ring”response;(2)“salt and pepper”noise;(3)simultaneous enhancement of high frequency noise and image details.But our improved adaptive enhancementfilter algorithm,as shown by experiment,has surmounted them.

本文首先分析了水下光图象的特性——极其低劣的对比度和分辨率.指出了影响水下光图象质量的因素主要是反向散射和小角度正向散射.从而建立了水下光图象的数学模型.然后分析设计了一种适合于处理水下光图象的自适应增强滤波器.并结合水下光图象的特点以及此算法存在的三个严重缺陷:①产生“振铃”响应;②产生“椒盐”噪声;③由于图象中存在较高频率的噪声,在增强图象细节的同时,也增强了图象噪声,分别进行了深入的探讨并加以改进.从而较完善地提出了改进的自适应增强滤波器算法.针对水下图象处理后,效果令人满意.

Based on the principle of adaptive filtering, The higher signal-to-noise ratio of electrogastrogram data can be extracted from abdomen skin with the adaptive line enhancement filter. The design method of feedback factor and filtering coeffcient is introduced in this paper. Experimental and practical results show the method is effective.

在体表胃电信号提取中 ,采用FIR自适应谱线增强器滤波技术 ,抵消噪声 ,达到提高体表胃电信噪比目的。文中给出了滤波器收敛因子、权系数的设计方法 ,提供了模拟及分析处理结果。

The segmentation of biomedical objects from gray scale images has been extensively studied in recent years. This paper explored a novel dynamic programming (DP) based optimal edge detection technique in medical ultrasound images. Dynamic programming is an optimal approach in multiscale decision-making. In an image segmentation system, it is used to obtain global optimal contours with connectedness and closeness. The DP algorithms process the object image to get the least comulative cost matrix to tracking a...

The segmentation of biomedical objects from gray scale images has been extensively studied in recent years. This paper explored a novel dynamic programming (DP) based optimal edge detection technique in medical ultrasound images. Dynamic programming is an optimal approach in multiscale decision-making. In an image segmentation system, it is used to obtain global optimal contours with connectedness and closeness. The DP algorithms process the object image to get the least comulative cost matrix to tracking a global optimal boundary. Combining with low-upper-middle (LUM) nonlinear enhancement filter and Gaussian preprocessor, this method shows robustness on the noisy images boundary detection.

动态规划 (DP)是一种解决多阶段决策过程最优化的方法 .图像边缘提取时为了使系统输出具有最小的不确定性 ,考虑最优化判据是必要的 .动态规划算法用于图像的边缘检测主要是获得一个图像的最低能量代价阵的过程 ,而图像的边缘对应于最低代价阵中的终止点和起始点之间能量梯度降低最快的路径 ,由此可以由最低代价阵勾勒出需要的边缘 .对于质量较差的图像 ,可以先用梯度算子和一种 LUM滤波器相结合进行预滤波 .实验表明 ,基于该算法用于超声图像的边缘检测可获得全局最优的稳定的边缘线 ,是一种理想的最优化算法

 
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