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inference_with_ckpt.py
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inference_with_ckpt.py
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import os
import numpy as np
import tensorflow as tf
from nets import nets_factory
from preprocessing import preprocessing_factory
slim = tf.contrib.slim
# Load the model
sess = tf.Session()
num_classes = 100
# Select the model #
####################
network_fn = nets_factory.get_network_fn(
'inception_v4',
num_classes=num_classes,
is_training=False
)
ckpt_filename = '/home/dl/offline/train_ckpt/model.ckpt-4657'
src_dir = '/home/dl/offline/comp.jpg/test2'
label_file = '/home/dl/offline/comp.jpg/train/labels.txt'
results_csv = '/home/dl/offline/results.csv'
def eval():
preprocessing_name = 'inception_v4'
image_preprocessing_fn = preprocessing_factory.get_preprocessing(
preprocessing_name,
is_training=False)
input_tensor = tf.placeholder(tf.string, name='DecodeJpeg/contents')
image = tf.image.decode_jpeg(input_tensor, channels=3)
image = image_preprocessing_fn(image, 299, 299)
image = tf.expand_dims(image, 0)
logits, end_points = network_fn(image)
prediction = tf.nn.softmax(logits, name='prediction')
saver = tf.train.Saver()
saver.restore(sess, ckpt_filename)
print('restored from file %s' % ckpt_filename)
return logits, prediction, end_points
with open(label_file) as inf:
labels = list(inf)
labels = np.array([l.strip().split(':')[1] for l in labels])
logits, prediction, end_points = eval()
with open(results_csv, 'w') as csv:
csv.write('filename,label\n')
for r,ds,fs in os.walk(src_dir):
for f in fs:
if f.endswith('.jpg'):
print('handle [{0}]'.format(f))
image_name = os.path.join(r, f)
with open(image_name, 'rb') as inf:
image_data = inf.read()
logit_values, predict_values, end_points_values = sess.run(
[logits, prediction, end_points],
feed_dict={'DecodeJpeg/contents:0': image_data})
print(np.shape(logit_values))
pred = predict_values[0, :]
idx = np.argsort(pred)[-5:]
print(pred[idx])
print(idx)
print(labels[idx])
csv.write('{},{}\n'.format(f, ''.join(labels[idx]) ))