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Klara


自 2014 起处于活动状态

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统计学

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How do I measure mean of every 10 data of a vector size 1x1500?
I have a vector of size 1x1500, whose every 10 values, are of one person (i.e, there are 150 persons). I should estimate the ...

10 years 前 | 3 个回答 | 0

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How do I define a window in an image from specific coordination?
In an image I would like to define a square window, the place where I want to define a square, its coordination in pixel is know...

10 years 前 | 1 个回答 | 0

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How do I get the coordinates of a fingerprint image?
I have several images in which they have been located in different areas. I would like to find the coordination of where the ima...

10 years 前 | 1 个回答 | 0

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How do I load a folder, read the content images and save it as a mat file?
I have a folder including my sample data. I would like to read them all at once and save the workplace as a .mat file. Any id...

10 years 前 | 1 个回答 | 0

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How to train a Neural Network to give me a classified output based on male or female?
In my project I have two vectors of [200x1] that should be used in Neural Network and trained in a way that it gives me the subj...

10 years 前 | 1 个回答 | 0

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How do I gain indices of max values in 2D matrix?
For a 16 x 12 matrix I should sort it in descending order to gain the max values (like 10 in total). After that, I should find w...

10 years 前 | 3 个回答 | 0

3

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How do I divide image into overlapping blocks size
In a paper, it has been said that they have computed frequency over a discrete grid of granularity using 15x15 windows. Consulti...

10 years 前 | 2 个回答 | 0

2

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How do I calculate gradient and hessian matrix by two operators?
For each point (x,y), the gradients should be calculated by two operators like: operator x:1/4*[1,0,-1;0,0,0;1,0,-1] oper...

10 years 前 | 1 个回答 | 0

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How do I rotate each block of image to be perpendicular to x-axis?
For each block of a fingerprint image, the local orientation is measured. I tried to rotate gradients by their mean orientation ...

10 years 前 | 1 个回答 | 0

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How do I implement imhist?
To measure the histogram equalization of an image, I should first calculate the histogram feature of it (it is what the function...

10 years 前 | 1 个回答 | 0

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