In pattern recognition and in image processing, feature extraction is a special form of dimensionality reduction.
I am trying to extract features using OpenCV's HoG API, however I can't seem to find the API that allow …
opencv computer-vision feature-detection object-recognition feature-extractionI want to encode 3 categorical features out of 10 features in my datasets. I use preprocessing from sklearn.preprocessing to do …
scikit-learn feature-extraction categorical-dataI have already seen that OpenCV provides a classifier based on LBP histograms: But I want to have access to …
opencv feature-extraction lbph-algorithmI am using Linear regression to predict data. But, I am getting totally contrasting results when I Normalize (Vs) Standardize …
machine-learning linear-regression feature-extractionI have tried Tesseract with iPhone and assessed its accuracy to be 70% without image preprocessing. I also noticed that it …
ocr tesseract feature-extractionI get often confused with the meaning of the term descriptor in the context of image features. Is a descriptor …
image-processing computer-vision feature-detection feature-extractionSURF is patented, as is SIFT. ORB and BRIEF are not patented, but their features are not scale-invariant, seriously limiting …
opencv computer-vision feature-detection feature-extractionI am currently working on a project, a simple sentiment analyzer such that there will be 2 and 3 classes in separate …
python nlp svm sentiment-analysis feature-extractionDoes anyone know the difference between feature detection and descriptor extraction in OpenCV 2.3? I understand that the latter is required …
image-processing opencv computer-vision feature-detection feature-extractionI'm working on image processing. I want to match 2D Features and I did many tests on SURF, SIFT, ORB.…
opencv feature-extraction orb ransac feature-descriptor