您要查找的是不是:
- adaptive threshold shrinkage 阈值收缩
- A method of image enhancement denoising is descibed based on wavelet transform and threshold shrinkage. 摘要提出了一种基于小波变换与阀值收缩法的图像增强去噪方法。
- 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。
- 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 method of data preprocess using wavelet threshold shrinkage algorithm is presented to remove GPR echo signals' noises and the realization of the circuit based on DSP and software is given. 为此,文中提出了采用小波阈值萎缩进行数据预处理的方法,以去除雷达回波噪声,并给出了基于DSP的电路和软件实现方法。
- 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。
- With combination of the multiwavelet threshold shrinkage, subband enhancement and image fusion, a image processing method accomplished by means of discrete multiwavelet transform was presented. 摘要提出了基于多小波变换的图像处理方法,该方法以多小波变换为基础,在一次多小波分解与重构之间完成双谱段图像处理。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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;
- An adaptive threshold algorithm consisting of two stages based on autoregressive model was presented for monitoring the steady process of Liquid Propellant Rocket Engine(LRE) in ground test. 提出一种基于自回归模型的自适应阈值检测算法用于监测液体火箭发动机地面试验的稳态过程,该算法由两个阶段组成。
- 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。
- There has been some shrinkage in our export trade. 我们的出口贸易量已有些减少。
- We develop an auto-modulated scheme of a crucial parameter calculation by a noise spectrum estimation to ameliorate the issue of parameter setting in conventional adaptive threshold schemes. 本文针对传统语音活动侦测演算法中,需预先决定门槛值的方法作改良,并利用杂讯频谱自动计算于门槛值估测中所需之关键参数,改良过去演算法设定参数之方法。