本任务是对人脸属性的性别（female,male）与年龄(children,young,adult,older)分类
xception可以用官方提供的，这里是自己搭的，参考别人的。
这里的主要可以学习的是自己写数据生成器：data_generator， generator=train_gen.get_mini_batch(transform = True)
数据增强脚本
transform_gao.py
import numpy as np
import random
#import torchvision.transforms as transforms
from PIL import Image, ImageFilter
import skimage
class RandomBlur(object):
def __init__(self, prob=0.5, radius=2):
self.prob = prob
self.radius = radius
def __call__(self, img):
if random.random() > self.prob:
return img
radius = random.uniform(0, self.radius)
filter = [
ImageFilter.GaussianBlur(radius),
ImageFilter.BoxBlur(radius),
ImageFilter.MedianFilter(size=3)
]
img = img.filter(random.choice(filter))
return img
class RandomNoise(object):
def __init__(self, prob=0.5, noise=0.01):
self.prob = prob
self.noise = noise
def __call__(self, img):
if random.random() > self.prob:
return img
img = np.array(img)
mode = [
lambda x: skimage.util.random_noise(x, 'gaussian', mean=0, var=self.noise),
lambda x: skimage.util.random_noise(x, 'speckle', mean=0, var=self.noise),
lambda x: skimage.util.random_noise(x, 's&p', amount=self.noise),
]
img = (random.choice(mode)(img) * 255).astype(np.uint8)
img = Image.fromarray(img)
return img
class ResizeWithPad(object):
def __init__(self, size, delta_h=5, interpolation=Image.BILINEAR):
self.size = size
self.delta_h = delta_h
self.interpolation = interpolation
def __call__(self, img):
iw, ih = img.size
tw, th = self.size
w = int(round(iw * th / float(ih)))
x = random.randint(0, max(0, tw - w))
dh = random.randint(0, self.delta_h)
h = th - dh
y = random.randint(0, dh)
img_resized = img.resize((w, h), self.interpolation)
img = Image.new('RGB', self.size, (127, 127, 127))
img.paste(img_resized, (x, y))
return img
class Normalize(object):
def __init__(self):
pass
def __call__(self, img):
img = transforms.functional.to_tensor(img)
img.sub_(0.5).div_(0.5)
return img
class RandomAspect(object):
def __init__(self, aspect=(3./4., 4./3.), interpolation=Image.BILINEAR):
self.aspect = aspect
self.interpolation = interpolation
def __call__(self, img):
w, h = img.size
aspect = random.uniform(self.aspect[0], self.aspect[1])
ow = int(w * aspect)
oh = int(h / aspect)
return img.resize((ow, oh), self.interpolation)
def randomColor(image):
"""
对图像进行颜色抖动
:param image: PIL的图像image
:return: 有颜色色差的图像image
"""
from PIL import Image, ImageEnhance, ImageOps, ImageFile
if random.random() > 0.5:
return image
ratio = (0.85,1.25)
# ratio = (10, 100)
random_factor_1 = np.random.uniform(*ratio)
# print('*'*100)
# print("random_factor_1==",random_factor_1)
# image = Image.fromarray(cv2.cvtColor(image, cv2.COLOR_BGR2RGB)) ##opencv to pil
random_factor = random_factor_1 #random_factor = np.random.randint(1, 30) / 10. # 随机因子
color_image = ImageEnhance.Color(image).enhance(random_factor) # 调整图像的饱和度
random_factor = random_factor_1#random_factor = np.random.randint(10, 21) / 10. - 1 # 随机因子
brightness_image = ImageEnhance.Brightness(color_image).enhance(random_factor) # 调整图像的亮度
random_factor = random_factor_1 #random_factor = np.random.randint(10, 21) / 10. - 1 # 随机因1子
contrast_image = ImageEnhance.Contrast(brightness_image).enhance(random_factor) # 调整图像对比度
random_factor = np.random.uniform(*ratio)#random_factor = np.random.randint(0, 31) / 10. # 随机因子
img = ImageEnhance.Sharpness(contrast_image).enhance(random_factor) # 调整图像锐度
# img = cv2.cvtColor(np.asarray(img), cv2.COLOR_RGB2BGR) ## pil to opencv
return img
def elastic_transform(image, alpha=0.8, sigma=1.25, alpha_affine=0.08, random_state=None):
"""Elastic deformation of images as described in [Simard2003]_ (with modifications).
.. [Simard2003] Simard, Steinkraus and Platt, "Best Practices for
Convolutional Neural Networks applied to Visual Document Analysis", in
Proc. of the International Conference on Document Analysis and
Recognition, 2003.
Based on https://gist.github.com/erniejunior/601cdf56d2b424757de5
"""
if random.random() < 0.7:
return image
from scipy.ndimage.interpolation import map_coordinates
from scipy.ndimage.filters import gaussian_filter
import cv2
if random_state is None:
random_state = np.random.RandomState(None)
image = np.array(image) #pil -> opencv
shape = image.shape
shape_size = shape[:2]
# Random affine
center_square = np.float32(shape_size) // 2
square_size = min(shape_size) // 3
pts1 = np.float32([center_square + square_size, [center_square[0]+square_size, center_square[1]-square_size], center_square - square_size])
pts2 = pts1 + random_state.uniform(-alpha_affine, alpha_affine, size=pts1.shape).astype(np.float32)
M = cv2.getAffineTransform(pts1, pts2)
image = cv2.warpAffine(image, M, shape_size[::-1], borderMode=cv2.BORDER_REFLECT_101)
dx = gaussian_filter((random_state.rand(*shape) * 2 - 1), sigma) * alpha
dy = gaussian_filter((random_state.rand(*shape) * 2 - 1), sigma) * alpha
dz = np.zeros_like(dx)
x, y, z = np.meshgrid(np.arange(shape[1]), np.arange(shape[0]), np.arange(shape[2]))
indices = np.reshape(y+dy, (-1, 1)), np.reshape(x+dx, (-1, 1)), np.reshape(z, (-1, 1))
mm = map_coordinates(image, indices, order=1, mode='reflect').reshape(shape)
return Image.fromarray(mm)#opencv -> pil
产生批数据脚本
my_xception_multi_label_data_generator.py
import os
from PIL import Image
import numpy as np
import random
from transform_gao import *
dict_gender = {'f':0,
'm':1
}
dict_age = {'children':0,
'young':1,
'adult':2,
'older':3
}
def make_one_hot(class_num,label):
label_gender_one_hot = np.zeros(class_num)
label_gender_one_hot[label] = 1.0
label_gender_one_hot = label_gender_one_hot.astype(np.float32)
return label_gender_one_hot
class data_generator:
def __init__(self,path_dir,batch_size,resize_=160,class_gender = 2,class_age = 4):
self.index=0
self.path_label = []
self.batch_size=batch_size
self.class_gender = class_gender
self.class_age = class_age
self.resize_ = resize_
self.path = path_dir
self.load_path()
def load_path(self):
self.path_label = []
print('*' * 10)
print('------start---load_path')
cnt = 0
for root, dirs, files in os.walk(self.path):
if 0 == len(files):
continue
#print("root=",root)
dir_name = root.split('/')[-1].split('_')
label_gender = dict_gender[dir_name[0]]
label_age = dict_age[dir_name[1]]
for name in files:
cnt += 1
#print(cnt,name)
if name.endswith(".jpg") or name.endswith(".png") or name.endswith(".jpeg"):
img_path = os.path.join(root, name)
self.path_label.append({"img_path":img_path,"label_gender":label_gender,"label_age":label_age})
random.shuffle(self.path_label)
print('------end---load_path')
print('*' * 10)
def get_mini_batch(self,transform = False):
while True:
batch_images=[]
batch_labels_gender=[]
batch_labels_age = []
for i in range(self.batch_size):
#print('add self.index=',self.index)
if (self.index == len(self.path_label)):
self.index = 0
random.shuffle(self.path_label)
image_path = self.path_label[self.index]["img_path"]
label_gender = self.path_label[self.index]["label_gender"]
label_age = self.path_label[self.index]["label_age"]
img = Image.open(image_path)
if img.mode != 'RGB':
img = img.convert('RGB')
if transform is True:
img = randomColor(img)
img = RandomNoise(prob=0.5, noise=0.01)(img)
img = RandomBlur(prob=0.5, radius=1.5)(img)
img = RandomAspect(aspect=(0.93, 1.12))(img) #img = RandomAspect(aspect=(4. / 5., 5. / 4.))(img)
img = elastic_transform(img,alpha_affine=0.01)
img = img.resize((self.resize_, self.resize_))
batch_images.append(img)
label_age_one_hot = make_one_hot(self.class_age, label_age)
label_gender_one_hot = make_one_hot(self.class_gender, label_gender)
batch_labels_gender.append(label_gender_one_hot)
batch_labels_age.append(label_age_one_hot)
self.index += 1
images_t = []
for image in batch_images:
image = np.array(image) ##numpy
image = image * 1.0 / 255.0
#image = image - 127.0 / 127.0
image = image.astype(np.float32)
images_t.append(image)
batch_images = np.array(images_t)
batch_labels_gender = np.array(batch_labels_gender)
batch_labels_age = np.array(batch_labels_age)
yield batch_images, [batch_labels_gender,batch_labels_age]
if __name__ == '__main__':
# class data_generator:
# def __init__(self, path_dir, batch_size,, resize_):
path_dir = "/data_2/big-data/compete/20200323/src_data/age_gender1/test/"
batch_size = 10
resize_ = 160
data_gen = data_generator(path_dir,batch_size,resize_)
data_gen.get_mini_batch()
训练脚本
import os
import sys
import tensorflow as tf
import time
from tensorflow import keras
from tensorflow.keras import layers
from tensorflow.keras.models import Model
from tensorflow.keras.layers import GlobalAveragePooling2D, GlobalMaxPooling2D, Reshape, Dense, multiply, Permute, Concatenate, Conv2D, Add, Activation, Lambda,Dropout
from tensorflow.keras.preprocessing.image import ImageDataGenerator, array_to_img, img_to_array, load_img
from tensorflow.keras.callbacks import ModelCheckpoint
from my_xception_multi_label_data_generator import *
print(tf.__version__)
print(sys.version_info)
SIZE = 160
BATCH_SIZE = 5
EPOCH = 100000
class_gender = 2
class_age = 4
path_dir_train = "/data_2/big-data/compete/20200323/src_data/age_gender1/test/"
path_dir_test = "/data_2/big-data/compete/20200323/src_data/age_gender1/test/"
def cbam(inputs):
inputs_channels = int(inputs.shape[-1])
x = tf.keras.layers.GlobalAveragePooling2D()(inputs)
x = tf.keras.layers.Dense(int(inputs_channels / 4))(x)
x = tf.keras.layers.Activation("relu")(x)
x = tf.keras.layers.Dense(int(inputs_channels))(x)
x = tf.keras.layers.Activation("softmax")(x)
x = tf.keras.layers.Reshape((1, 1, inputs_channels))(x)
x = tf.keras.layers.multiply([inputs, x])
return x
def Xception(input_shape=(SIZE, SIZE, 3), classes=8):
"""Instantiates the Xception architecture.
Note that the default input image size for this model is 299x299.
# Arguments
input_shape: optional shape tuple, only to be specified
if `include_top` is False (otherwise the input shape
has to be `(299, 299, 3)`.
It should have exactly 3 inputs channels,
and width and height should be no smaller than 71.
E.g. `(150, 150, 3)` would be one valid value.
classes: optional number of classes to classify images
into, only to be specified if `include_top` is True,
and if no `weights` argument is specified.
# Returns
A Keras model instance.
# Raises
ValueError: in case of invalid argument for `weights`,
or invalid input shape.
RuntimeError: If attempting to run this model with a
backend that does not support separable convolutions.
"""
img_input = layers.Input(shape=input_shape)
channel_axis = 1 if tf.keras.backend.image_data_format() == 'channels_first' else -1
x = layers.Conv2D(32, (3, 3),
strides=(2, 2),
use_bias=False,
name='block1_conv1')(img_input)
x = layers.BatchNormalization(axis=channel_axis, name='block1_conv1_bn')(x)
x = layers.Activation('relu', name='block1_conv1_act')(x)
x = layers.Conv2D(64, (3, 3), use_bias=False, name='block1_conv2')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block1_conv2_bn')(x)
x = layers.Activation('relu', name='block1_conv2_act')(x)
residual = layers.Conv2D(128, (1, 1),
strides=(2, 2),
padding='same',
use_bias=False)(x)
residual = layers.BatchNormalization(axis=channel_axis)(residual)
x = layers.SeparableConv2D(128, (3, 3),
padding='same',
use_bias=False,
name='block2_sepconv1')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block2_sepconv1_bn')(x)
x = layers.Activation('relu', name='block2_sepconv2_act')(x)
x = layers.SeparableConv2D(128, (3, 3),
padding='same',
use_bias=False,
name='block2_sepconv2')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block2_sepconv2_bn')(x)
x = layers.MaxPooling2D((3, 3),
strides=(2, 2),
padding='same',
name='block2_pool')(x)
x = Dropout(0.25)(x)###############
x = layers.add([x, residual])
residual = layers.Conv2D(256, (1, 1), strides=(2, 2),
padding='same', use_bias=False)(x)
residual = layers.BatchNormalization(axis=channel_axis)(residual)
x = layers.Activation('relu', name='block3_sepconv1_act')(x)
x = layers.SeparableConv2D(256, (3, 3),
padding='same',
use_bias=False,
name='block3_sepconv1')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block3_sepconv1_bn')(x)
x = layers.Activation('relu', name='block3_sepconv2_act')(x)
x = layers.SeparableConv2D(256, (3, 3),
padding='same',
use_bias=False,
name='block3_sepconv2')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block3_sepconv2_bn')(x)
x = layers.MaxPooling2D((3, 3), strides=(2, 2),
padding='same',
name='block3_pool')(x)
x = Dropout(0.25)(x)
x = layers.add([x, residual])
residual = layers.Conv2D(728, (1, 1),
strides=(2, 2),
padding='same',
use_bias=False)(x)
residual = layers.BatchNormalization(axis=channel_axis)(residual)
x = layers.Activation('relu', name='block4_sepconv1_act')(x)
x = layers.SeparableConv2D(728, (3, 3),
padding='same',
use_bias=False,
name='block4_sepconv1')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block4_sepconv1_bn')(x)
x = layers.Activation('relu', name='block4_sepconv2_act')(x)
x = layers.SeparableConv2D(728, (3, 3),
padding='same',
use_bias=False,
name='block4_sepconv2')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block4_sepconv2_bn')(x)
x = layers.MaxPooling2D((3, 3), strides=(2, 2),
padding='same',
name='block4_pool')(x)
x = Dropout(0.25)(x)
x = layers.add([x, residual])
for i in range(8):
residual = x
prefix = 'block' + str(i + 5)
x = layers.Activation('relu', name=prefix + '_sepconv1_act')(x)
x = layers.SeparableConv2D(728, (3, 3),
padding='same',
use_bias=False,
name=prefix + '_sepconv1')(x)
x = layers.BatchNormalization(axis=channel_axis,
name=prefix + '_sepconv1_bn')(x)
x = layers.Activation('relu', name=prefix + '_sepconv2_act')(x)
x = layers.SeparableConv2D(728, (3, 3),
padding='same',
use_bias=False,
name=prefix + '_sepconv2')(x)
x = layers.BatchNormalization(axis=channel_axis,
name=prefix + '_sepconv2_bn')(x)
x = layers.Activation('relu', name=prefix + '_sepconv3_act')(x)
x = layers.SeparableConv2D(728, (3, 3),
padding='same',
use_bias=False,
name=prefix + '_sepconv3')(x)
x = layers.BatchNormalization(axis=channel_axis,
name=prefix + '_sepconv3_bn')(x)
x = layers.add([x, residual])
residual = layers.Conv2D(1024, (1, 1), strides=(2, 2),
padding='same', use_bias=False)(x)
residual = layers.BatchNormalization(axis=channel_axis)(residual)
x = layers.Activation('relu', name='block13_sepconv1_act')(x)
x = layers.SeparableConv2D(728, (3, 3),
padding='same',
use_bias=False,
name='block13_sepconv1')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block13_sepconv1_bn')(x)
x = layers.Activation('relu', name='block13_sepconv2_act')(x)
x = layers.SeparableConv2D(1024, (3, 3),
padding='same',
use_bias=False,
name='block13_sepconv2')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block13_sepconv2_bn')(x)
x = layers.MaxPooling2D((3, 3),
strides=(2, 2),
padding='same',
name='block13_pool')(x)
x = Dropout(0.1)(x)
x = layers.add([x, residual])
x = layers.SeparableConv2D(1536, (3, 3),
padding='same',
use_bias=False,
name='block14_sepconv1')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block14_sepconv1_bn')(x)
x = layers.Activation('relu', name='block14_sepconv1_act')(x)
x = layers.SeparableConv2D(2048, (3, 3),
padding='same',
use_bias=False,
name='block14_sepconv2')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block14_sepconv2_bn')(x)
x = layers.Activation('relu', name='block14_sepconv2_act')(x)
# x=cbam(x)
x = layers.GlobalAveragePooling2D(name='avg_pool')(x)
# x = layers.Dense(classes, activation='softmax', name='predictions')(x)
x1 = tf.keras.layers.Dense(512, activation='relu')(x)
x1 = tf.keras.layers.Dense(256, activation='relu')(x1)
out_age = tf.keras.layers.Dense(4, activation='softmax', name='out_age')(Dropout(0.5)(x1))
x2 = tf.keras.layers.Dense(512, activation='relu')(x)
out_gender = tf.keras.layers.Dense(2, activation='softmax', name='out_gender')(Dropout(0.5)(x2))
predictions = [out_gender,out_age]
model = tf.keras.models.Model(inputs=img_input, outputs=predictions,name='xception-multi-label')
return model
model = Xception()
model.summary()
model.compile(optimizer=tf.keras.optimizers.Adam(learning_rate=0.001),
loss={'out_age':'categorical_crossentropy',
'out_gender':'categorical_crossentropy'},
loss_weights={
'out_age': 1.0,
'out_gender': 0.25
},
metrics=['accuracy'])
train_gen=data_generator(path_dir_train,BATCH_SIZE,SIZE,class_gender,class_age)
test_gen=data_generator(path_dir_test,BATCH_SIZE,SIZE,class_gender,class_age)
num_train = len(train_gen.path_label)
num_test = len(test_gen.path_label)
print('*'*100)
print('num_train=',num_train)
print('num_test=',num_test)
print('*'*100)
# x,y_gender,y_age=next(train_gen.get_mini_batch(transform = True))
# print(x.shape)
# print(y_gender.shape)
# print(y_age.shape)
#
# import cv2
# for i in range(0):
# print("****start****"*10)
# x, y_gender,y_age = next(train_gen.get_mini_batch(transform = True))
# for j in range(BATCH_SIZE):
# print(y_gender[j])
# print(y_age[j])
# cv2.imshow("1", x[j][:,:,::-1])
# cv2.waitKey(0)
# print("@@@@@@end@@@@@@" * 10)
filepath = "./model/multi-label-model_{epoch:03d}-{val_out_gender_acc:.4f}-{val_out_age_acc:.4f}.h5" #避免文件名称重复
checkpoint = ModelCheckpoint(filepath=filepath, monitor='val_acc', verbose=1,
save_best_only=False, mode='max')
history = model.fit_generator(
generator=train_gen.get_mini_batch(transform = True),
steps_per_epoch=num_train // BATCH_SIZE, # 2000 images = batch_size * steps
epochs=EPOCH,
validation_data=test_gen.get_mini_batch(),
validation_steps=num_test // BATCH_SIZE, # 1000 images = batch_size * steps
verbose=1,
callbacks=[checkpoint])
测试脚本
import os
import sys
import tensorflow as tf
import time
from tensorflow import keras
from tensorflow.keras import layers
from tensorflow.keras.models import Model
from keras.preprocessing import image
import numpy as np
import cv2
from tensorflow.keras import layers
from tensorflow.keras.models import Model
from tensorflow.keras.layers import GlobalAveragePooling2D, GlobalMaxPooling2D, Reshape, Dense, multiply, Permute, Concatenate, Conv2D, Add, Activation, Lambda,Dropout
from tensorflow.keras.preprocessing.image import ImageDataGenerator, array_to_img, img_to_array, load_img
from tensorflow.keras.callbacks import ModelCheckpoint
from my_xception_multi_label_data_generator import *
print(tf.__version__)
print(sys.version_info)
SIZE = 160
BATCH_SIZE = 5
EPOCH = 100000
class_gender = 2
class_age = 4
path_dir_train = "/data_2/big-data/compete/20200323/age_gender-aug-my/test/"
path_dir_test = "/data_2/big-data/compete/20200323/age_gender-aug-my/test/"
def cbam(inputs):
inputs_channels = int(inputs.shape[-1])
x = tf.keras.layers.GlobalAveragePooling2D()(inputs)
x = tf.keras.layers.Dense(int(inputs_channels / 4))(x)
x = tf.keras.layers.Activation("relu")(x)
x = tf.keras.layers.Dense(int(inputs_channels))(x)
x = tf.keras.layers.Activation("softmax")(x)
x = tf.keras.layers.Reshape((1, 1, inputs_channels))(x)
x = tf.keras.layers.multiply([inputs, x])
return x
def Xception(input_shape=(SIZE, SIZE, 3), classes=8):
"""Instantiates the Xception architecture.
Note that the default input image size for this model is 299x299.
# Arguments
input_shape: optional shape tuple, only to be specified
if `include_top` is False (otherwise the input shape
has to be `(299, 299, 3)`.
It should have exactly 3 inputs channels,
and width and height should be no smaller than 71.
E.g. `(150, 150, 3)` would be one valid value.
classes: optional number of classes to classify images
into, only to be specified if `include_top` is True,
and if no `weights` argument is specified.
# Returns
A Keras model instance.
# Raises
ValueError: in case of invalid argument for `weights`,
or invalid input shape.
RuntimeError: If attempting to run this model with a
backend that does not support separable convolutions.
"""
img_input = layers.Input(shape=input_shape)
channel_axis = 1 if tf.keras.backend.image_data_format() == 'channels_first' else -1
x = layers.Conv2D(32, (3, 3),
strides=(2, 2),
use_bias=False,
name='block1_conv1')(img_input)
x = layers.BatchNormalization(axis=channel_axis, name='block1_conv1_bn')(x)
x = layers.Activation('relu', name='block1_conv1_act')(x)
x = layers.Conv2D(64, (3, 3), use_bias=False, name='block1_conv2')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block1_conv2_bn')(x)
x = layers.Activation('relu', name='block1_conv2_act')(x)
residual = layers.Conv2D(128, (1, 1),
strides=(2, 2),
padding='same',
use_bias=False)(x)
residual = layers.BatchNormalization(axis=channel_axis)(residual)
x = layers.SeparableConv2D(128, (3, 3),
padding='same',
use_bias=False,
name='block2_sepconv1')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block2_sepconv1_bn')(x)
x = layers.Activation('relu', name='block2_sepconv2_act')(x)
x = layers.SeparableConv2D(128, (3, 3),
padding='same',
use_bias=False,
name='block2_sepconv2')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block2_sepconv2_bn')(x)
x = layers.MaxPooling2D((3, 3),
strides=(2, 2),
padding='same',
name='block2_pool')(x)
x = Dropout(0.25)(x)###############
x = layers.add([x, residual])
residual = layers.Conv2D(256, (1, 1), strides=(2, 2),
padding='same', use_bias=False)(x)
residual = layers.BatchNormalization(axis=channel_axis)(residual)
x = layers.Activation('relu', name='block3_sepconv1_act')(x)
x = layers.SeparableConv2D(256, (3, 3),
padding='same',
use_bias=False,
name='block3_sepconv1')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block3_sepconv1_bn')(x)
x = layers.Activation('relu', name='block3_sepconv2_act')(x)
x = layers.SeparableConv2D(256, (3, 3),
padding='same',
use_bias=False,
name='block3_sepconv2')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block3_sepconv2_bn')(x)
x = layers.MaxPooling2D((3, 3), strides=(2, 2),
padding='same',
name='block3_pool')(x)
x = Dropout(0.25)(x)
x = layers.add([x, residual])
residual = layers.Conv2D(728, (1, 1),
strides=(2, 2),
padding='same',
use_bias=False)(x)
residual = layers.BatchNormalization(axis=channel_axis)(residual)
x = layers.Activation('relu', name='block4_sepconv1_act')(x)
x = layers.SeparableConv2D(728, (3, 3),
padding='same',
use_bias=False,
name='block4_sepconv1')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block4_sepconv1_bn')(x)
x = layers.Activation('relu', name='block4_sepconv2_act')(x)
x = layers.SeparableConv2D(728, (3, 3),
padding='same',
use_bias=False,
name='block4_sepconv2')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block4_sepconv2_bn')(x)
x = layers.MaxPooling2D((3, 3), strides=(2, 2),
padding='same',
name='block4_pool')(x)
x = Dropout(0.25)(x)
x = layers.add([x, residual])
for i in range(8):
residual = x
prefix = 'block' + str(i + 5)
x = layers.Activation('relu', name=prefix + '_sepconv1_act')(x)
x = layers.SeparableConv2D(728, (3, 3),
padding='same',
use_bias=False,
name=prefix + '_sepconv1')(x)
x = layers.BatchNormalization(axis=channel_axis,
name=prefix + '_sepconv1_bn')(x)
x = layers.Activation('relu', name=prefix + '_sepconv2_act')(x)
x = layers.SeparableConv2D(728, (3, 3),
padding='same',
use_bias=False,
name=prefix + '_sepconv2')(x)
x = layers.BatchNormalization(axis=channel_axis,
name=prefix + '_sepconv2_bn')(x)
x = layers.Activation('relu', name=prefix + '_sepconv3_act')(x)
x = layers.SeparableConv2D(728, (3, 3),
padding='same',
use_bias=False,
name=prefix + '_sepconv3')(x)
x = layers.BatchNormalization(axis=channel_axis,
name=prefix + '_sepconv3_bn')(x)
x = layers.add([x, residual])
residual = layers.Conv2D(1024, (1, 1), strides=(2, 2),
padding='same', use_bias=False)(x)
residual = layers.BatchNormalization(axis=channel_axis)(residual)
x = layers.Activation('relu', name='block13_sepconv1_act')(x)
x = layers.SeparableConv2D(728, (3, 3),
padding='same',
use_bias=False,
name='block13_sepconv1')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block13_sepconv1_bn')(x)
x = layers.Activation('relu', name='block13_sepconv2_act')(x)
x = layers.SeparableConv2D(1024, (3, 3),
padding='same',
use_bias=False,
name='block13_sepconv2')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block13_sepconv2_bn')(x)
x = layers.MaxPooling2D((3, 3),
strides=(2, 2),
padding='same',
name='block13_pool')(x)
x = Dropout(0.1)(x)
x = layers.add([x, residual])
x = layers.SeparableConv2D(1536, (3, 3),
padding='same',
use_bias=False,
name='block14_sepconv1')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block14_sepconv1_bn')(x)
x = layers.Activation('relu', name='block14_sepconv1_act')(x)
x = layers.SeparableConv2D(2048, (3, 3),
padding='same',
use_bias=False,
name='block14_sepconv2')(x)
x = layers.BatchNormalization(axis=channel_axis, name='block14_sepconv2_bn')(x)
x = layers.Activation('relu', name='block14_sepconv2_act')(x)
# x=cbam(x)
x = layers.GlobalAveragePooling2D(name='avg_pool')(x)
# x = layers.Dense(classes, activation='softmax', name='predictions')(x)
x1 = tf.keras.layers.Dense(512, activation='relu')(x)
x1 = tf.keras.layers.Dense(256, activation='relu')(x1)
out_age = tf.keras.layers.Dense(4, activation='softmax', name='out_age')(Dropout(0.5)(x1))
x2 = tf.keras.layers.Dense(512, activation='relu')(x)
out_gender = tf.keras.layers.Dense(2, activation='softmax', name='out_gender')(Dropout(0.5)(x2))
predictions = [out_gender,out_age]
model = tf.keras.models.Model(inputs=img_input, outputs=predictions,name='xception-multi-label')
return model
model = Xception()
model.summary()
model.load_weights("/data_1/Yang/project_new/2020/tf_study/tf_xception/multi_xception/model/multi-label-model_005.h5")
#
dict_gender = {'f':0,
'm':1
}
dict_age = {'children':0,
'young':1,
'adult':2,
'older':3
}
dict_label_tijiao = {"f_children":"0",
"f_young":"1",
"f_adult":"2",
"f_older":"3",
"m_children":"4",
"m_young":"5",
"m_adult":"6",
"m_older":"7"
}
map_predict_code2label = {"00":"f_children",
"01":"f_young",
"02":"f_adult",
"03":"f_older",
"10":"m_children",
"11":"m_young",
"12":"m_adult",
"13":"m_older"}
root_dir_test = "/data_2/big-data/compete/20200323/src_data/test-tijiao/"
with open(root_dir_test + 'result.txt','w')as fw:
for root, dirs, files in os.walk(root_dir_test):
if 0 == len(files):
continue
for img_name_ in files:
if img_name_.endswith(".jpg") or img_name_.endswith(".jpeg") or img_name_.endswith(".png"):
pos = img_name_.find(".")
name = img_name_[0:pos]
img_path = os.path.join(root,img_name_)
img = image.load_img(img_path, target_size=(SIZE, SIZE))
img = image.img_to_array(img) / 255.0
#print("img.shape=",img.shape[:2])
img = np.expand_dims(img, axis=0) # 为batch添加第四维
predictions = model.predict(img)
label_gender = np.argmax(predictions[0], axis=1)
label_age = np.argmax(predictions[1], axis=1)
code = str(label_gender[0]) + str(label_age[0])
label_describe = map_predict_code2label[code]
label_tijiao_val = dict_label_tijiao[label_describe]
content = name + " " + label_tijiao_val
fw.write(content + '\n')
# cv2.imshow("img", img[0][:, :, ::-1])
# cv2.waitKey(0)
本站文章如无特殊说明，均为本站原创，如若转载，请注明出处：tensorflow1.15-keras 多标签 xception训练与测试 - Python技术站
微信扫一扫 
支付宝扫一扫 
