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Prasanna K Sahoo,Gurdial Arora.A thresholding method based on two-dimensional Renyi\'s entropy[J].Pattern Recognition,2004,37:1149-1161. 张毅军吴雪菁.;二维熵图像阈值分割的快速递推算法[J]
In the part, which improves the bilevel thresholding method, we denote a membership function for the "object" in the image, firstly. 其次，为了提高算法的时效性，在算法中引入了条件熵，同时采用最小模糊度及最大熵准则自适应地将图像中“对象”与“非对象”分离开来。
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；
The histogram thresholding method and the manual decided threshold were used to isolate the image of IDV and T shape mark image on the top of IDV from the real time image. 中文摘要随著计算机速度的提升与网路频宽的增大，数位家庭产品渐渐地融入我们的生活之中，开创出数位生活的愿景。
A thresholding method based on fuzzy exponential entropy and simulated annealing algorithm is proposed to segment a gridding image with nonuniform illumination efficiently. 摘要为了有效分割照度不均匀的网格图像，提出了一种基于模糊指数熵和模拟退火算法的阈值分割方法。
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。
The experimental results demonstrate that this proposed algorithm outperforms the classical wavelet thresholding method and effectively improves the practicability. 实验结果表明，该算法比经典的小波降噪算法具有更好的降噪效果，能有效提高算法的实用性能。
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
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。
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。
A recursively increasing threshold method for the segmentation of laser scanning confocal microscopic (LSCM) biomedical images is presented. 提出了用于激光共焦显微生物医学图象分割的循环递增阈值分割法。
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。
Based on Wavelet Packet Decomposition (WPD) , Entropy Threshold Method (ETM) has been put forward to reject the Discrete Spectrum Interference (DSI) in on-line PD monitoring. 首次提出用于抑制局部放电在线监测中周期性窄带干扰的小波包变换熵阈值法（ETM）。
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。
METHODS: First, global threshold method was used to divide the image into metal and streak artifact part. 方法：首先，利用全局阈值分割的方法把原图分割为金属部分和条状伪影部分。
The method seems good but it needs to be tried out. 这个方法似乎不错，但需要试验一下。
After introducing all kinds of threshold methods , the principle about background removing is presented . 在搜集研究了各种阈值法后提出了图纸背景消除的原则；
By using the properties-ergodicity, randomicity, and regularity of chaos, Chaotic Particle Swarm Optimization algorithm is combined with thresholding methods. 利用混沌运动随机性、遍历性和初值敏感性，将混沌粒子群优化算法与阈值法相结合在二维空间作全局搜索。
Statistics characters of the noises that filtered by wavelet threshold method and 21-point average method show that they are independent distribution and similar to Gauss distribution. 通过对滤除噪声的特性分析发现;小波方法和21点平均法滤除的噪声具有独立分布特性;且类似高斯分布.
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。