imports

import os
import sys
import cv2

import random

import numpy as np

from tqdm import tqdm
import pickle

from keras.models import Sequential 
from keras.layers import Conv2D, MaxPooling2D 
from keras.layers import Activation, Dropout, Flatten, Dense

from keras.callbacks import TensorBoard, EarlyStopping, ModelCheckpoint

import matplotlib.pyplot as plt

%matplotlib inline