In pattern recognition and in image processing, feature extraction is a special form of dimensionality reduction.
I was reading about TfidfVectorizer implementation of scikit-learn, i don´t understand what´s the output of the method, for …
machine-learning nlp scikit-learn feature-extraction document-classificationI have been following the tutorials on DeepLearning.net to learn how to implement a convolutional neural network that extracts …
neural-network convolution feature-extraction supervised-learning deep-learningI'm writing a small system in Java in which i extract n-gram feature from text files and later need to …
java data-structures feature-extraction feature-selection computationI am struggling to understand Matlab implementation of LBP algorithm found here. I am trying to find how it calculates …
matlab image-processing computer-vision feature-extraction lbph-algorithmI'm implementing the Histogram of Oriented Gradient features from "Histograms of oriented gradients for human detection" and I'd like to …
image-processing opencv computer-vision feature-extractionI am attempting to implement the OpenCV 3.0.0 SURF Feature Description and Detection but after running the sample code on the …
c++ opencv feature-detection feature-extraction surfI have a short question: When I do feature-matching in OpenCV, what does the distance attribute mean of DMatches in …
opencv feature-detection feature-extractionI am trying to extract pitch features from an audio file which I would use for a classification problem. I …
python audio scipy feature-extractionI'd like to extract the contours of an image, expressed as a sequence of point coordinates. With Canny I'm able …
opencv computer-vision contour edge-detection feature-extractionI'm developing an audio processing application where I need to record audio, and then process it to obtain features of …
android media-player mediarecorder audiorecord feature-extraction