def preprocess(self, image):
desl = imgproc.deslant(image)
return imgproc.hog(desl, NUM_BINS, NUM_CELLS / 2)
def preprocess(self, image):
desl = imgproc.deslant(image)
w, u, vt = cv2.SVDecomp(desl.astype(np.float32))
sigma = np.diag(w.ravel())
n = 26
return u[:n, :n].dot(sigma[:n, :n]).dot(vt[:n, :n])
def preprocess(self, image):
desl = imgproc.deslant(image)
return imgproc.crop_to_outer_contour(desl, NORMALISED_SIZE)
