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Extracting Histogram of Gradients with OpenCV
Besides the feature descriptor generated by SIFT, SURF, and ORB, as in the previous post, the Histogram of Oriented Gradients (HOG) is another feature descriptor you can obtain using OpenCV. HOG is a robust feature descriptor widely used in computer vision and image processing for object detection and recognition tasks. It captures the distribution of […]
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computer computer vision detection distribution feature generated image image-classification image processing k-nearest-neighbors knn opencv orb processing recognition sift tasks vision