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统计学

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Saving and loading a Multiclass SVM Model
I want to save a trained multiclass SVM and then load it to make predictions. How to do this?

6 years 前 | 1 个回答 | 1

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Divide an image iteratively
The images are classified as resampled or not by the SVM. If the label of the classifed image is resampled which is one I want t...

6 years 前 | 0 个回答 | 0

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Display multiple image blocks in a single figure
I want to display for processed image blocks in a single figure. How to do this ?

6 years 前 | 0 个回答 | 0

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Apply a function to each block of an image
I divide the input image into blocks of 57*57 and then apply the function "emresample" to each block and draw the probability ma...

6 years 前 | 0 个回答 | 0

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Change the axis limits of a SVM plot
I trained a SVM classifier using "fitcsvm" and I got the graph shown below when the data was plotted. I want to make it more rea...

6 years 前 | 1 个回答 | 0

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Paste new image to random locations
I want to read a set of images in a folder and paste a cropped part of another new image to random locations of each image. I us...

6 years 前 | 1 个回答 | 0

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Spliting an image into 4 blocks and apply a function to each block
I want to split an image into 4 blocks and apply a function to each block and display the result as one figure. My code is given...

6 years 前 | 1 个回答 | 0

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Make predictions on new data using a SVM
I trained a SVM classifcation model using "fitcsvm" function and tested with the test data set. Now I want to use this model to ...

6 years 前 | 1 个回答 | 0

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Storing values in an array
I want to calculate the distance to each pixel from the center pixel and sort the highest 4 values. I used the following code fo...

6 years 前 | 1 个回答 | 0

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High pass filter a signal in the frequency domain
I have converted an image into frequency domain using fft2() function. Now I want to extract only the high frequency components....

6 years 前 | 0 个回答 | 0

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Dividing an image into blocks of 64*64
I want to divide an image of size into blocks of 64*64 non-overlapping blocks and then apply a user defined function to calculat...

6 years 前 | 1 个回答 | 0

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Converting a complex number into a single value
I have got a matrix of complex values and I want to sort the highest 10 values from it. For this I got the modulus of the comple...

6 years 前 | 0 个回答 | 0

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Finding n largest coefficient to local energy ratio
I want to the n largest coefficient to local energy ratio. These coefficients are gained by applying PCA to an image and I have ...

6 years 前 | 0 个回答 | 0

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Finding the n largest coefficient to local energy ratio of an image
I want to find the n largest coefficient to local energy ratio of an image. These coefficient are got by applying PCA. What is m...

6 years 前 | 0 个回答 | 0

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Convert a matrix to an array
I want to get the highest coefficients after applying PCA to an image. For this I'm going to convert the matrix of pixels to an ...

6 years 前 | 1 个回答 | 0

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Database of Resampled Images
Hi all, I want to know how to get the dataset mentioned in "Exposing Digital Forgeries by Detecting Traces of Re-sampling by Ali...

6 years 前 | 2 个回答 | 0

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