k-means

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implementing complex algorithms on database stored information

I\'m trying to figure out the best practice for implementing a complex algorithm on stored information in a relational DB.[详细]

2023-01-06 16:35 分类：问答
Image similarity and k-mean clustering

I\'m playing a little bit with image similarity. In fact i\'m playing with image retrieval system. Ideally i wanna to create some kind of image index that I can query to get similar images.[详细]

2023-01-06 06:09 分类：问答
clustering on very large sparse matrix?

I am trying to do some (k-means) clustering on a very large matrix. The matrix is approximately 500000 rows x 4000 cols yet very sparse (only a c开发者_JAVA技巧ouple of \"1\" values per row). I want[详细]

2023-01-05 13:12 分类：问答
Clustering with bigkmeans from bigmemory package in R?

I recently started experimenting with the bigan开发者_高级运维alytics package for R. I ran into a problem however...[详细]

2023-01-04 10:57 分类：问答
How to calculate a measure of a total error in this clustering

This is a question about k-means clustering algorithm. I have the following points and clustering of data S1. Can anyone tell 开发者_开发技巧me how to calculate the total error associated with this cl[详细]

2022-12-29 08:20 分类：问答
how to implement k-means for simple grouping in java

I would like to know simple k-means algorithm in java. I want to use k-means only for grouping one d开发者_如何学编程imensional array not multi.[详细]

2022-12-22 03:39 分类：问答
OpenCV's clustering function cvKMeans2() - what is a type of cluster center in array?

I\'m using function cvKMeans2() from OpenCV library for clustering. It has optional parametr: centers - The optional output array of the cluster centers[详细]

2022-12-17 17:48 分类：问答
How do I determine k when using k-means clustering?

I\'ve been studying about k-means clustering, and one thing that\'s not clear is how you choose the value of k.Is it just a matter of trial and error, or is there 开发者_如何学JAVAmore to it?You can m[详细]

2022-12-12 05:09 分类：问答
OpenCV K-Means (kmeans2)

I\'m using Opencv\'s K-means implementation to cluster a large set of 8-dimensional vectors. They cluster fine, but I can\'t find any way to see the prototypes created by the clustering process. Is th[详细]

2022-12-10 01:23 分类：问答