The computer-vision tag has no wiki summary.
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problem in running libsvm in c [migrated]
Hi I wanted to run libsvm on c
I have scaled my train data and tried to do cross validation to obtain the best parameters but I don't know how to do ... in below I tried to read my scaled train data ...
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1answer
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Graphic file formats for visual computing [closed]
I've started collecting samples for a computer vision data set, and I'm working from scratch, so I was wondering if I should favor a file format over the others when scanning my documents.
Any tips ...
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List of Computer Science Problems solvable when computers get to certain level of processing power [closed]
I've heard references from several people whose College experience included a professor who said "When Computers get to Processing Power X - we'll be able to do Y." (From various Computer Science ...
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1answer
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How center the eyes of human face at specific pixels?
I am facing a problem with processing some frontal facial images.
I need to adjust the centers of the eyes (irises) to be at certain specific pixels in the image. In other words, i need to transform ...
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3answers
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Handwritten character recognition as characters are being traced
I'm looking for an OCR technique (PCA or SVM or anything else) in a peculiar setting. I want to detect the motion of the finger so that if someone writes something in front of the camera in the air, I ...
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DIfferences between computer vision and image processing
I am basically an Electronics and Communication Engineering student. My relevant coursework include Probability Theory and Stochastic Processes, Engineering Mathematics, Signals and Systems, Digital ...
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A few questions on Difference of Gaussians [closed]
I use this formula for Difference of Gaussians (DoG): $\frac{1}{\sigma}(\frac{x^2}{2\sigma^2}-1.0)e^{\frac{-x^2}{2\sigma^2}}$
What is the relationship between this formula and the difference of two ...
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2answers
359 views
Shannon's entropy for an image
Shannon's entropy [plog(1/p)] for an image is a probabilistic method for comparing two pixels or a group of pixels.Suppose an image with a matrix of 3x3 has pixel intensity values
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Which Is a Better Way of Obtaining Scales, Gaussian Blur or Down Sampling?
In computer vision, scales are important when we carry out a scene analysis. Choosing different scales affect the result of the analysis. For example, if a face is relatively small in the scene, then ...
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2answers
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Intuition for convolution in image processing
I have read many documents about convolution in image processing, and most of them say about its formula, some additional parameters. No one explains the intuition and real meaning behind doing ...
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Where can I find public datasets of images mostly dominated by contour? [closed]
I am about to start research for my thesis. I am trying to find public datasets of images mostly dominated by contour meaning (An outline, esp. one representing or bounding the shape or form of ...
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Breaking CAPTCHAs: what is the state of the art? [closed]
I've already posted this question on Stackoverflow but that place is more specificly for question about programming, so here I am.
I've attended a Machine Learning course and, seeing some nice ...
