搜索资源列表
114
- 1.理解显式差分格式的依赖区域。写出所给微分方程的依赖区域。 2.会求显式差分格式的截断误差。 3.能写出显式差分格式的CFL条件，显式差分格式的稳定性条件，写出显式差分格式的收敛性条件。 -Understanding the explicit difference scheme dependent region. Write to differential equations dependent region. 2 will seek explicit difference sch
matlab
- 数字图像的处理，将所得的灰度图像，转化为二值图像，在进行图像的连通区域的提取-Digital image processing, the resulting grayscale image into a binary image, when the image of the connected region extraction
photonic-waveguide-90degree
- A 2D 4.65μm*4.65μm photonic crystal structure with a central point defect consists of an 7 ∗ 7 array of silicon(refractive index n=3.4)squares having 0.15μm as the width of each side with the horizontal(y-axis direction)and vertical(x-axis d
slot-waveguide
- 用的Rsoft软件 模拟了两个矩形直波导的耦合情况，并监测其功率变化。 可用于分析微环耦合区域的光场。-Rsoft software used to simulate the two rectangular straight waveguide coupling, and to monitor their power change. Can be used to analyze micro-ring coupling region of the light field.
Variational-motion-segmentation
- we automatically determine an appropriate initialization and the number of regions bymeans of recursive two-phase splits with higher order region models.
WINDPOWER
- The Persians built windmills in the 7th century AD for milling and irrigation and rustic mills similar to these early vertical axis designs can still be found in the region today. In Europe the first windmills were seen much later, probably havin
line
- 线性规划中求可行域初始可行解的一种新方法，pdf格式论文。-A new linear programming approach feasible region seeking initial feasible solution, pdf format papers.
LICENSE-PLATE_1_final
- This program will detect the license plate region with segmentation and extraction and recognition
Matching-Algorithm
- 要：图像匹配是计算机视觉中许多领域的基础，特征提取则是图像匹配的基础，其中不变量特征是一 个重要的理论。SIFt是最有效的尺度、旋转、亮度不变量局部特征之一，但算法复杂、计算时间长。分析 了SIFt的计算时间分配，通过计算关键点的邻域梯度直方图时动态修改采样步长，大大提高了SWr的 计算速度。分析了基于SIFt特征的图像匹配算法，提出了双向匹配算法，提高了图像匹配的准确率。实 验结果表明所提出的方法是有效的-Scale invariant feature transform(SI
EMD-Based-Denoising-
- 其中一个为这经验模式分解的任务（EMD）是潜在有用的非参数信号去噪 为此小波阈值一直占主导地位的技术的区域多年。-One of the empirical mode decomposition of this task (EMD) is potentially useful non-parametric signal wavelet threshold de-noising for many years to this end has been the dominant technology i
otsu
- Basic Idea of Image Segmentation „ All the image segmentation methods assume that: 1. the intensity values are different in different regions, and, 2. within each region, which represents the corresponding object in a scene, the intens
Java-Virtual-Machine
- Java虚拟机使用锁机制来实现多线程共享数据结构的同步.锁机制维护的临界区通常对共享数据结构只进行读操作.只读锁是指当某个线程持有锁在只读临界区时,其他线程可以直接进入只读临界区而无需等待.只读锁能极大地提高锁机制的同步性能.Java虚拟机的锁机制可分为轻量级锁和重量级锁两层,当线程冲突时从轻量级锁转向重量级锁.本文分别从轻量级锁和重量级锁两个层次分别进行只读锁优化.轻量级锁的只读优化算法可以减少原子操作的开销；重量级锁的只读优化算法则可以使多个线程同时在只读临界区中.最后在Java虚拟机Hot
cloud-classification
- 图像分割是一种重要的图像分析技术，对图像分割的研究一直是图像技术研究中的热点和焦点。分水岭算法是基于数学形态学理论的图像分割算法，但是对噪声敏感且存在过分割的现象。为提高图像分割效果，本文通过对影像进行滤波处理，用改进的快速区域合并算法优化分水岭算法进行影像分割。-In this work a technique for cloud detection and classification from MSG–SEVIRI (Meteosat Second Generation–Spinning
Fuzzy-PID-dual-mode-control-system
- 交流位置伺服系统因其存在参数时变、负载扰动以及电机的非线性等缺点， 很难为其建立准确的模型. 模糊（ fuzzy）控制具有无需建立被控对象的数学模型、鲁棒性好等 优点，但稳态精度差. 将模糊控制和PID 控制相结合，设计了Fuzzy-PID 双模控制器. 在论域内 用不同的控制方式分段实现控制，这样就综合了模糊控制和PID 控制的优点，克服了各自的缺 点. 该控制器结构简单、易于实现. 在半闭环交流位置伺服系统上所做的实验表明，采用Fuzzy- PID 双模控制器与采用经典P
trustRegionMethod.m
- Trust Region Method Example (Unconstrained)
Watershed
- 1.分水岭分割成区域块 2.高斯混合模型聚类 3.区域合并-1 watershed area is divided into blocks of 2 Gaussian mixture model clustering 3 region merge
10.1016@j.jvcir.2008.11.006.pdf
- this paper allows the shape adaptive wavelet to do region based image retri
sigma-delta-modulation
- 高精度、低功耗模数转换器是当今集成电路设计模拟领域的研究热点之一，采用sigma-delta调制原理和过釆样原理的模数转换器广泛使用在音频、数字网络、电子测量等系统中。此类模数转换器，为降低信号带内的量化噪声功率，而釆用噪声整形技术，为提高模数转换器的信噪比，使用过采样技术，将基带中的量化噪声调制到了高频区域，这样就增加了基带中的信噪比，也就是增加了转换器的有效量化位数，由于采用较高的过采样率，Sigma-Delta ADC的转换速率相对较低，高精度和较低转换速率的特点，使得Sigma-Delt
Final
- Compression DICOM images using different method according to region of interest (ROI)
SPsnake
- segmentation The result of image segmentation is a set of segments that collectively cover the entire image, or a set of contours extracted the image (see edge detection). Each of the pixels in a region are similar with respect to some characterist