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How can I use LDA (Fisher Discrimnant Analysis) to get a transformation matrix?
I know I should choose the eigenvectors with the biggest eigenvalues.But those eigenvalues are complex, many of them are NaN. In...
11 years 前 | 0 个回答 | 0
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How to reduce dimension before using logistic regression?
I am doing an MNIST handwritten digits recognition with logitic regression.But I found using 784 dimensions is too much. Is it p...
11 years 前 | 0 个回答 | 0
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Use machine learning to do handwritten digits recognition
I am just start to do machine learning for handwritten digits recognition,which algorithm is easily implemented by matlab(withou...
11 years 前 | 0 个回答 | 0
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I can‘t use videoreader to read an avi video in 64bits-win7
It reports that: The file requires the following codec(s) to be installed on your system: Indeo5 But I have installed Ind...
11 years 前 | 1 个回答 | 1
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Fire detection from non-stationary camera
I have found many articles about video fire detection.But most of them are based on stationary camera. What features of fire I c...
11 years 前 | 0 个回答 | 0
