cd ./lib/pdf-to-html/ocr/image_classif wget http://www.cs.ubc.ca/~lowe/keypoints/siftDemoV4.zip unzip siftDemoV4.zip cp sift*/sift sift
cd ./lib/pdf-to-html/ocr/image_classif wget http://www.cs.ubc.ca/~lowe/keypoints/siftDemoV4.zip unzip siftDemoV4.zip cp sift*/sift sift