alinazhanguwo

alinazhanguwo

alinazhanguwo

alinazhanguwo

# Create an interactive Tensorflow session
sess = tf.InteractiveSession()

# These will be inputs for the model
# Input pixels of images, flattened
# 1296 = 36*36 which is the size of images
x = tf.placeholder("float", [None, 1296])
# Known labels
y_ = tf.placeholder("float", [None,2])

alinazhanguwo

# Computes softmax cross entropy between logits and labels
# Measures the probability error in discrete classification tasks
# For example, each font image is labeled with one and only one label: an image can be font SansSerif or Serif, but not both.
cross_entropy = tf.reduce_mean(
        tf.nn.softmax_cross_entropy_with_logits_v2(
        logits = y + 1e-50, labels = y_))

# GradientDescentOptimizer is used to minimize loss
train_step = tf.train.GradientDescentOptimizer(
                0.02).minimize(cross_entropy)

alinazhanguwo

# Create an interactive Tensorflow session
sess = tf.InteractiveSession()

# These will be inputs for the model
# Input pixels of images, flattened
# 1296 = 36*36 which is the size of images
x = tf.placeholder("float", [None, 1296])
## Known labels
y_ = tf.placeholder("float", [None,2])

alinazhanguwo

# Computes softmax cross entropy between logits and labels
# Measures the probability error in discrete classification tasks
# For example, each font image is labeled with one and only one label: an image can be font SansSerif or Serif, but not both.
cross_entropy = tf.reduce_mean(
        tf.nn.softmax_cross_entropy_with_logits_v2(logits = y + 1e-50, labels = y_))

# GradientDescentOptimizer is used to minimize loss
train_step = tf.train.GradientDescentOptimizer(0.01).minimize(cross_entropy)

# Define accuracy

alinazhanguwo

# Create an interactive Tensorflow session
sess = tf.InteractiveSession()

# These will be inputs for the model
# Input pixels of images, flattened
# 1296 = 36*36 which is the size of images
x = tf.placeholder("float", [None, 1296])
## Known labels
y_ = tf.placeholder("float", [None,2])

alinazhanguwo

# Computes softmax cross entropy between logits and labels
# Measures the probability error in discrete classification tasks
# For example, each font image is labeled with one and only one label: an image can be font SansSerif or Serif, but not both.
cross_entropy = tf.reduce_mean(
        tf.nn.softmax_cross_entropy_with_logits_v2(logits = y + 1e-50, labels = y_))

# GradientDescentOptimizer is used to minimize loss
train_step = tf.train.GradientDescentOptimizer(0.01).minimize(cross_entropy)

# Define accuracy

alinazhanguwo

# Create an interactive Tensorflow session
sess = tf.InteractiveSession()

# These will be inputs for the model
# 36*36 pixels, image with one channel graysacle
x = tf.placeholder("float", [None, 36, 36])
# -1 is for reshaping which means to fill out the dimensions as needed to maintain the overall size
# 36,36 is image dimension
# the final 1, is now the number of channel
# we have grayscale image that the number of channel is 1