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################### ## README ## ################### Files: data.py # Gets training and testing data and formats it image.py # Processes an image, and does character segmentation KNN.py # Implementation of KNN LshKNN.py # Implementation of KNN with LSH OCR.py # Runs OCR on and image and returns string testing.py # Used for testing on the MNIST testing set ## To run files, the following packages are needed: (TODO makefile) ############### OpenCV: $ brew tap homebrew/science $ brew install opencv (may need to add to python path as well) More Info: Without brew - http://opencv.org/ numPy: $ pip install numpy idx2numpy: $ pip install idx2numpy More Info: https://github.com/ivanyu/idx2numpy LSHash: $ pip install lshash More Info: https://github.com/kayzh/LSHash ## Testing ######################################################################## ## To run KNN on MNIST test set (Max trainingSize = 60000, Max testingSize = 10000) $ python testing.py -k 3 --trainingSize 30000 --testingSize 500 --lsh 0 NOTE: each classification takes about 1400 miliseconds, so any large testSize will take considerable time. ## To run KNN with LSH on MNIST test set $ python testing.py -k 3 --trainingSize 30000 --testingSize 500 --lsh 1 NOTE: Building hash tables to run KNN with LSH takes considerable time, in most intances this would built once and then persisted. ## To Run OCR on an Image ######################################################### 1) Place image in 'images' folder 2) $ python OCR.py -i IMAGENAME.JPG -l 0 There exists example images to run it already $ python OCR.py -i 1.JPG -l 0 ###################################################################################
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Optical Character Recognition of Handwritten Digits
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