def transform(self, image_string):
#we need to decode the image from base64
image_string = base64.decodestring(image_string)
#since we're seing this as a JSON string, we use StringIO so it acts like a file
img = StringIO(image_string)
img = Image.open(img)
img = img.resize(self.STANDARD_SIZE)
img = list(img.getdata())
img = map(list, img)
img = np.array(img)
s = img.shape[0] * img.shape[1]
img_wide = img.reshape(1, s)
return self.pca.transform(img_wide[0])
def string_to_img(image_string):
print "called string_to_image"
#we need to decode the image from base64
image_string = base64.decodestring(image_string)
#since we're seing this as a JSON string, we use StringIO so it acts like a file
img = StringIO(image_string)
img = PIL.Image.open(img)
img = img.resize(STANDARD_SIZE)
img = list(img.getdata())
img = map(list, img)
img = np.array(img)
s = img.shape[0] * img.shape[1]
img_wide = img.reshape(1, s)
return pca.transform(img_wide[0])
