In recent years, FCM algorithm has become more and more popular, and has been applied to various fields, and the improvement of FCM algorithm is more and more. This paper summarizes the recent two years of algorithm improvement, if there are improved algorithms not all please find out for yourself oh, too many papers. As the reference documents are English papers, here is not translated, after all, I am not
Introduction to FCM clustering algorithms
The FCM algorithm is a division-based clustering algorithm. Its idea is to maximize the similarity between objects divided into the same cluster, and minimize the similarity between different clusters. The fuzzy C-mean algorithm is an improvement of the ordinary C-mean algorithm. The ordinary C-mean algorithm is hard to divide data, while
For the example project, see:
Http://files.cnblogs.com/laviewpbt/%e5%9b%be%e5%83%8f%e6%a8%a1%e7%b3%8a%e8%81%9a%e7%b1%bb.rar
I wrote about the VB6.0 Implementation and Application of the Fuzzy Clustering Algorithm (FCM) and hard clustering algorithm (HCM) a year ago.Later, many colleagues asked me how to apply this algorithm to color image segmentation. In view of the particularity of image data, here we will talk about some details about clustering a
FCM algorithm is a clustering algorithm based on partition, and its idea is to make the similarity between the objects divided into the same cluster is the largest, and the similarity between different clusters is the least. The fuzzy C-means algorithm is an improvement of the ordinary C-means algorithm , the ordinary C- means algorithm is hard to divide the data, and FCM is a kind of flexible fuzzy divi
matrix expression consisting of elements between 0 and 1 is used.The affiliation of the object to the category.To give a one-dimensional example, given a particular data set, the map is distributed as follows:It is easy to distinguish two kinds of data from the graph, which is expressed as ' A ' and ' B ' respectively. Using the aforementioned K-means algorithm, each data is associated with a specific centroid, membership functionAs shown below:Using FCM
black box Testthe functional design specifications of the known products can be tested to prove that each whether the implemented functionality meets the requirements .White Box TestThe internal working process of a known product can be tested to verify that each internal operation complies with the design specifications and that all internal components are inspected.The black box test of the software means that the
Black box test: The functional design specifications of a known product can be tested to verify that each implemented function meets the requirements.White Box testing: The internal working process of a known product can be tested to prove that each internal operation complies with the design specifications and that all internal components are inspected.The black box test of the software means that the
operationsLesson 11th: getting started with textureLesson 12th, OpenGL fragment test -- → content of this course
The fragment test is to test each pixel. Only tested pixels are drawn. pixels that fail the test are not drawn. OpenGL provides a variety of test operations, whi
http://blog.renren.com/share/223170925/14708690013Common significance test1.t InspectionIt is suitable for the comparison of small sample between two groups with the homogeneity of the measurement data, normal distribution and variance. Including matching data between the sample and the average, the two are compared between the two three kinds, the calculation formula of the three can not be confused.2.t ' InspectionThe application conditions are much the same as the T
Sometimes, when the interface is tested, often need to rely on external interface environment, but in the actual development, especially in the agile development model, many times depending on the external interface environment may be impassability or not completed, this time can not be carried out in a timely manner end-to-end testing, the need to test the pile is very important. in my previous article, I have introduced the use of Third-party tools
operation.
Depending on the time and resource characteristics of the product, the efficiency test can include different types of tests, such as performance tests (performance test), load tests (loading test), and stress tests (Stress test). These three types of efficiency tests, not only have different emphases on the
1. What kind of quality the test engineer needs to be able to adapt to the new environment ability to communicate ability to be good at problem-finding, ability to identify defects, innovate, and be calm and steady. From the point of view of the user is good at summarizing problems2. Why do black box testing to verify that the SOFTWARE product conforms to the requirements of the document design confirms that the software products meet the needs of end
Performance testing, load testing, stress testing What's the difference? Performance testing (or antisymmetric user concurrency performance testing), load testing, strength testing, and capacity testing are some of the areas of performance testing, but concepts can easily be confused. Here are a few concepts to introduce.
Performance test (performance Test): typically collects all the performance related
Shell test command test, [], [[], shell test command test
Directory:
1.1 conditional expressions
1.2 usage of test and []
1.3 [[]
1.4 usage suggestions
Test can be used as a test expres
Junit Test @ test red name problem, junit Test @ test
Prepare for testing. For example, all are named Red.
Ctrl + 1 or move the cursor over @ Test
Place the cursor on @ Test, and click Install.
For example
White box test, black box test and gray box test difference
White box tests or white-box tests (White-box testing or Glass-box testing) are tested through the source code of the program without using the user interface. This type of test needs to be revised from the code syntax to find flaws or errors in algorithms, ov
Registration-Physical examination-upper theoretical course-theoretical test-simulation 1-Practice car-field test-simulation 2-train-road test-theoretical test-get driver's licenseSimulation is playing in the classroom there is a model of the car-there is a steering wheel ~ Brake ~ Clutch ~ is the pre-boarding-simulatio
Origin of 1,t test and F-Test
In general, in order to determine the probability of making a mistake from the statistical results of samples (sample), we use statistical methods developed by statisticians to perform statistical verification.
By comparing the obtained statistical calibration values with the probability distributions of some random variables established by statisticians (probability distribut
[Original] Test Case Design: "positive test and negative test"
Generally, during the design of test cases, test cases are classified based on the test types or test requirements associ
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