srli

"""A program that encodes and decodes hidden messages in images through LSB steganography"""
from PIL import Image, ImageFont, ImageDraw
import textwrap

def decode_image(file_location="images/encoded_sample.png"):
    """Decodes the hidden message in an image

    file_location: the location of the image file to decode. By default is the provided encoded image in the images folder
    """
    encoded_image = Image.open(file_location)

karpathy

""" Trains an agent with (stochastic) Policy Gradients on Pong. Uses OpenAI Gym. """
import numpy as np
import cPickle as pickle
import gym

# hyperparameters
H = 200 # number of hidden layer neurons
batch_size = 10 # every how many episodes to do a param update?
learning_rate = 1e-4
gamma = 0.99 # discount factor for reward