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Question
Are the HOG features extracted from extractHOGFeatures function normalised ?
Hi, I have used extractHOGFeatures to obtain HOG features from an image. I want to know, if they are normalised vectores and ...
8 years ago | 0 answers | 0
0
answersQuestion
How can we use only cross validation to evaluate the performance of the classifier ?
Heyy, I thought that we generally use cross validation of training data to find the best parameter selection of C and gamma, ...
8 years ago | 0 answers | 0
0
answersQuestion
How to choose training and testing data for image classification ?
Hi, I have seen lot of papers and got confused on how to choose training and testing data. In the research paper attached, they...
8 years ago | 0 answers | 1
0
answersQuestion
What is box constraint in svmtrain fucntion ?
Heyy, I would like to know what exactly is box constraint in svmtrain function. I went through documentation of matlab, but I...
8 years ago | 2 answers | 0
2
answersQuestion
Reading image files from different folders ?
Hi, I have images in each of the 10 folders. I have the names of the folder in a 10*1 structure variable. How can I read the im...
8 years ago | 1 answer | 0
1
answerQuestion
I have a dataset. I want to do cross validation. How can I divide it into testing and training data ?
Hi, I have got 100 folders of which 50 are male and 50 are female. Each folder contains 6 images. I want to implement cross val...
8 years ago | 1 answer | 0
1
answerSir how to read the pupil of a human eye ?
It's an image right ? If it is then just read it through imread function.
8 years ago | 0
Question
Getting different classification results while running the same SVM code.
Hi, I am working on SVM and I learnt that if some scaling is done for the attributes (features ) like getting their values ...
8 years ago | 0 answers | 0
0
answersQuestion
How to train SVM classifier with large dataset
Hi, I got an LBP of an image and it's size is 58*158 matrix. I would like to train these images to an SVM using SVM train. So...
8 years ago | 0 answers | 0
0
answersQuestion
How to get image from a matrix which contains PIXEL values ?
Hi, I have an image of 400*400. I applied LBP to this and obtained 400*400 matrix which contains LBP value for each pixel. No...
8 years ago | 2 answers | 0
2
answersQuestion
Eye detection from an Image using vision.CacadeObjectdetector... Not working...
I= imread('night.jpeg'); I= imresize(I,0.5); Detectface = vision.CascadeObjectDetector('eyepairbig'); %Detectface.MergeThre...
8 years ago | 2 answers | 0
2
answersQuestion
How to extract eyes including eyebrows from facial image ?
I have seen many using vision.CascadeObjectDetector,I was able to detect eyes. But i want it to crop eyebrows also. I mean i wan...
8 years ago | 0 answers | 1
0
answersQuestion
While Using LBP for feature extraction. I have used LBPfeatures function in matlab, but I got an error. Could anyone help me out
Error using extractLBPFeatures>parseInputs (line 148) Expected I to be of size MxN when it is actually size 168x299x3.
8 years ago | 1 answer | 0