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berkaoui sara


自 2013 起处于活动状态

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统计学

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Dimentionality reduction with LDA
Hi, I am applying LDA for my two class problem. I have 2112 features and after LDA only 1 feature for each instance. Then, in my...

10 years 前 | 0 个回答 | 0

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Convert bitdepth of png image
How to convert the image with the following information: ColorType: truecolor Format: png bitDepth: 24 to a png grayscale ima...

10 years 前 | 1 个回答 | 0

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hierarchical classification with SVM
hello, I am trying to deal with a problem of classification with SVM, at the beginning I managed to solve the problem at the fi...

10 years 前 | 1 个回答 | 1

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ROC Curve for SVM
Hi , I want to plot ROC curve for my svm results with perfcurve, and i dont know what to put exactly for labels,scores,poscla...

10 years 前 | 0 个回答 | 0

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Matlab: Extracting a ROI with center coordinates
I have a mammographic image of size 1024 x 1024, and I have the center coordinates of the anomaly (338.314) and the radius (56) ...

10 years 前 | 1 个回答 | 0

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Grey Level Co-occurrence matrix
hi , I have a matrix containing the images that I want to work, and i want to calculat the grey level co-occurrence matrix way...

11 years 前 | 1 个回答 | 0

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Change bit depth for a PNG image
hello , i have a dataset of images with 12 bit represantation and i want to know if it is possible to convert them to 8 bit re...

11 years 前 | 1 个回答 | 0

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read LJPEG images with Matlab
hi , I have to work with Digital Database for screening mammography , but the images are in LJPEG format. Is there any solutio...

11 years 前 | 1 个回答 | 0

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Crop a rectangle from image given center coordinates
Good evening everyone, I have a folder containing images, and I must crop from each image a rectangle of 128 * 128 pixels knowi...

11 years 前 | 1 个回答 | 0

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cropping all images in a folder with different coordinates
i use the following MATLAB code to crop all images in a folder, it works perfectly but the problem is that it crops all the imag...

11 years 前 | 1 个回答 | 0

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