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parse_img.py
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parse_img.py
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#!usr/bin/env python
__author__="smafjal"
from PIL import Image
import os
import glob
from skimage.io import imread
import numpy as np
import pickle
class ImageReader():
def __init__(self, dir):
self.data_dir = dir
def read_image(self):
files = os.listdir(self.data_dir)
image_list = []
label_list=[]
for filename in files:
label = self.get_label(filename)
if label == -1:
print "Label is not found"
continue
filename = os.path.join(self.data_dir, filename) + "/*.bmp"
for img_file in glob.glob(filename):
img=Image.open(img_file).convert("L")
img=np.array(img).reshape(-1)
image_list.append(img)
a=[0]*10; a[label]=1 # making hot vector
label_list.append(a)
return np.array(image_list),np.array(label_list)
def get_label(self, filename):
for i in range(10):
if int(filename[-1]) == i:
return i
return -1
def save_pickle(self,data,file_name):
with open(file_name+".pickle","wb") as w:
pickle.dump(data,w)
def main():
data = ImageReader("bengali_digit")
img_data,img_label = data.read_image()
data.save_pickle(img_data,"img_data")
data.save_pickle(img_label,"img_label")
print "Data-Len: ",len(img_data)
if __name__ == "__main__":
main()