‘‘‘
This?file?is?used?for?the?first?step?of?the?training?procedure?of?Bilinear_CNN
where?only?last?layer?of?the?Bilinear_CNN?（DD）?model?is?trained.?
Two?VGG16?networks?are?connected?at?the?output?of?conv5_3?layer?to?form?
a?Bilinear_CNN?（DD）?network?and?bilinear?merging?is?performed?on?connect?
these?two?convolutional?layers.
No?finetuning?is?performed?on?the?convolutional?layers.
Only?blinear?layers?are?trained?in?this?first?step.
‘‘‘

from?__future__?import?print_function
import?tensorflow?as?tf
import?numpy?as?np
import?tflearn
from?tflearn.data_preprocessing?import?ImagePreprocessing
from?tflearn.data_augmentation?import?ImageAugmentation
import?os
from?tflearn.data_utils?import?shuffle

import?pickle?
from?tflearn.data_utils?import?image_preloader
import?h5py
import?math
import?logging
import?random
import?time





def?random_flip_right_to_left（image_batch）:
????result?=?[]
????for?n?in?range（image_batch.shape[0]）:
????????if?bool（random.getrandbits（1））:
????????????result.append（image_batch[n][:::-1:]）
????????else:
????????????result.append（image_batch[n]）
????return?result

class?vgg16:
????def?__init__（self?imgs?weights=None?sess=None）:
????????self.imgs?=?imgs
????????self.last_layer_parameters?=?[]?????##?Parameters?in?this?list?will?be?optimized?when?only?last?layer?is?being?trained?
????????self.parameters?=?[]????????????????##?Parameters?in?this?list?will?be?optimized?when?whole?BCNN?network?is?finetuned
????????self.convlayers（）???????????????????##?Create?Convolutional?layers
????????self.fc_layers（）????????????????????##?Create?Fully?connected?layer
????????self.weight_file?=?weights??????????
????????#self.load_weights（weights?sess）


????def?convlayers（self）:
????????
????????#?zero-mean?input
????????with?tf.name_scope（‘preprocess‘）?as?scope:
????????????mean?=?tf.constant（[123.68?116.779?103.939]?dtype=tf.float32?shape=[1?1?1?3]?name=‘img_mean‘）
????????????images?=?self.imgs-mean
????????????print（‘Adding?Data?Augmentation‘）
????????????

????????#?conv1_1
????????with?tf.name_scope（‘conv1_1‘）?as?scope:
????????????kernel?=?tf.Variable（tf.truncated_normal（[3?3?3?64]?dtype=tf.float32
?????????????????????????????????????????????????????stddev=1e-1）?trainable=False?name=‘weights‘）
????????????conv?=?tf.nn.conv2d（images?kernel?[1?1?1?1]?padding=‘SAME‘）
????????????biases?=?tf.Variable（tf.constant（0.0?shape=[64]?dtype=tf.float32）
???????????????????????????????????trainable=False?name=‘biases‘）
????????????out?=?tf.nn.bias_add（conv?biases）
????????????self.conv1_1?=?tf.nn.relu（out?name=scope）
????????????self.parameters?+=?[kernel?biases]

????????#?conv1_2
????????with?tf.name_scope（‘conv1_2‘）?as?scope:
????????????kernel?=?tf.Variable（tf.truncated_normal（[3?3?64?64]?dtype=tf.float32
?????????????????????????????????????????????????????stddev=1e-1）?trainable=False?name=‘weights‘）
????????????conv?=?tf.nn.conv2d（self.conv1_1?kernel?[1?1?1?1]?padding=‘SAME‘）
????????????biases?=?tf

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-07-12?00:59??Bilinear-CNN-TensorFlow-master\
?????文件????????2736??2017-07-12?00:59??Bilinear-CNN-TensorFlow-master\README.md
?????目錄???????????0??2017-07-12?00:59??Bilinear-CNN-TensorFlow-master\core\
?????文件???????18308??2017-07-12?00:59??Bilinear-CNN-TensorFlow-master\core\bcnn_DD_woft.py
?????文件???????19347??2017-07-12?00:59??Bilinear-CNN-TensorFlow-master\core\bcnn_DD_woft_with_random_crops.py
?????文件???????19885??2017-07-12?00:59??Bilinear-CNN-TensorFlow-master\core\bcnn_finetuning.py
?????文件???????20624??2017-07-12?00:59??Bilinear-CNN-TensorFlow-master\core\bcnn_finetuning_with_random_crops.py
?????目錄???????????0??2017-07-12?00:59??Bilinear-CNN-TensorFlow-master\predictions\
?????文件???????22690??2017-07-12?00:59??Bilinear-CNN-TensorFlow-master\predictions\FGVC_aircraft_predictions.csv
?????目錄???????????0??2017-07-12?00:59??Bilinear-CNN-TensorFlow-master\train_test\
?????文件??????286305??2017-07-12?00:59??Bilinear-CNN-TensorFlow-master\train_test\test_data.txt
?????文件??????515491??2017-07-12?00:59??Bilinear-CNN-TensorFlow-master\train_test\train_data.txt
?????文件???????57204??2017-07-12?00:59??Bilinear-CNN-TensorFlow-master\train_test\validation_data.txt
?????目錄???????????0??2017-07-12?00:59??Bilinear-CNN-TensorFlow-master\utils\
?????文件?????????939??2017-07-12?00:59??Bilinear-CNN-TensorFlow-master\utils\create_h5_dataset.py
?????文件????????3474??2017-07-12?00:59??Bilinear-CNN-TensorFlow-master\utils\extract_vgg_weights2dict.py