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- The experiment results show that the adaptive threshold method improves the adapt of fractal quadtree coding in wavelet domain. 仿真实验结果表明,这一自适应门限的编码方法提高了小波分形四叉树图像压缩方法的适应性。
- A new adaptive threshold method is proposed ,which combines the extrem method with the threshold and the barycenter method . 又讨论了常用的各种光刀提取法的基础上,提出了一种光刀中心自适应阈值提取法。
- Foreground area is extracted by adaptive threshold method ,the object is searched by extending the connected components extraction method,the object is recognized based on the geometrical character. 以自适应门限值提取前景区域,通过扩展的连通分量提取算法实现了目标的快速搜索,最后几何特征对目标加以识别。
- For the bottom histogram marked and uneven illuminative image,B-spline fitting and adaptive threshold methods to determine the image binarization threshold are proposed. 首先对于直方图有明显谷底和采集光照不均匀的图像,分别采用B样条拟合直方图和自适应阈值法进行二值化。
- By analyzing the traditional thresholding methods(such as Otsu and Kapur),a new approach using the adaptive thresholding method is presented. 将原图像划分为若干子块,对每个子块利用最佳阈值的方法进行分割。
- Improved Adaptive Threshold Method and Its Application in Character Image Edge Detection 改进的自适应阈值方法用于文字图像边缘检测
- adaptive threshold method 自适应阈值法
- This paper presented the merit of adaptive threshold with the more advantageous pointwise variance method. 本文分析了自适应阈值的优点,进而提出逐点噪声方差法在去噪方面有更强的优势。
- Binaryzation image is obtained through adaptive threshold segmentation and noise is removed by sorting method. 采用自适应门限进行阈值分割,得到二值化的图像;利用聚类的方法去掉噪声点。
- In this paper, a nonlinear multiwavelet transform adaptive threshold value method is proposed to suppress speckle noise. 摘要文章提出了一种新的用于斑点噪声抑制的非线性多小波变换自适应阈值算法。
- Several techniques for improving the performance of FFT-based method are also discussed, including the Welch spectral estimation method and adaptive threshold adjusting technique. 本文对采用基于FFT捕获结构实现高动态扩频信号快捕过程中的几个关键问题进行了讨论,采用Welch谱估计方法和自适应门限技术等方法来提高捕获性能。
- The simulations prove that not only the PSNR improved, but also the visible blocking effect is effectively decreased by using adaptive threshold and pointwise variance method. 仿真结果表明:采用自适应阈值并结合具有更强自适应性的逐点噪声方差法不仅能提高医学图像的峰值信噪比,还能有效地降低由传统阈值所带来的方块效应。
- The simulations prove that not only the PSNR improved,but also the visible blocking effect is effectively decreased by using adaptive threshold and pointwise variance method. 仿真结果表明:采用自适应阈值并结合具有更强自适应性的逐点噪声方差法不仅能提高医学图像的峰值信噪比,还能有效地降低由传统阈值所带来的方块效应。
- NDVI Ratio Threshold method defines vegetation greenup as the period beginning at the point of the greatest slope. 最大变化斜率方法将NDVI数据斜率角变化最大的点对应的时期作为植物返青期;
- Each detail image is first denoised with ridgelet threshold method, and then decomposed with wavelet. 对细节图像进行脊波阈值去噪处理,然后再进行单层小波分解。
- To overcome this, a fast mode decision for inter-macroblock is proposed with adaptive threshold by utilizing the spatio-temporal correlation of the frames in video sequences. 该算法利用视频序列图像帧间时空域相关性,并运用动态门限来提高判决准确度。
- When the wavelet basis is bior 6.8 and the threshold method is sqwtolog,the effect of denoise quality with wavelet threshold method is the best one. 当小波基为bior 6.;8;sqtwolog阈值规则时;其消噪效果最优
- The detection methodology is based on a robust post-filter and an adaptive threshold logic, which are used to enhance the robustness and sensitivity of the detection system. 该方法是基于观测器产生检测残差,通过鲁棒后置滤波器和自适应阈值逻辑来提高故障检测系统的鲁棒性和敏感性的。
- A multi-scale threshold method in accordance with fixed wavelet threshold, and an improved method on wavelet wiener filter were proposed. 摘要针对固定小波阈值提出了多尺度阈值方法,对小波维纳滤波提出了改进方法。
- Firstly, the vertical coordinates of the head-top and the feature points are achieved based on the OTSU adaptive threshold and the fast connected components labeling algorithm. 首先利用OTSU自适应阈值分割法和快速连通区域标记算法来分别获取人头顶部投影的纵坐标和标志点的坐标;