Questions tagged [k-means]
The k-means tag has no usage guidance.
4
questions
0
votes
0answers
30 views
K-SVD Implementation Based on Measurements of signal
How can the K-SVD algorithm be implemented by using measurements y of signal vector x?
The goal is to minimize
$$
\|y-\phi BZs\|,
$$
with $Y$ the measurements of signal matrix X, $\phi$ the ...
3
votes
1answer
140 views
How to Cluster Image Colors Using K Means Clustering in CIE a*b Domain?
I am working on building detection from aerial images using Image Processing in MATLAB.
I am doing an image segmentation based on the local homogeneity of image. I want to apply K Means Clustering in ...
1
vote
1answer
117 views
Unsupervised Way to Choose K in K-Means Algorithm
There are couple of methods listed here about finding the value of k in k means algorithm. How much sound is each of these procedure when used to find out the value of k in unsupervised manner.
1
vote
1answer
271 views
Evaluating clustering result
I am working with phoneme clustering. I have been using $k$-means clustering have done $k$-means on 2 different data: spectrogram vector and MFCCs. I would like to know how I can evaluate the result ...
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