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    發布日期: 2023-11-18
  • 語言: Python
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資源簡介

Keras實現Inception-v4, Inception - Resnet-v1和v2網絡架構

資源截圖

代碼片段和文件信息

from?keras.layers?import?Input?merge?Dropout?Dense?Lambda?Flatten?Activation
from?keras.layers.normalization?import?BatchNormalization
from?keras.layers.convolutional?import?MaxPooling2D?Convolution2D?AveragePooling2D
from?keras.models?import?Model

from?keras?import?backend?as?K

import?warnings
warnings.filterwarnings(‘ignore‘)

“““
Implementation?of?Inception-Residual?Network?v1?[Inception?Network?v4?Paper](http://arxiv.org/pdf/1602.07261v1.pdf)?in?Keras.

Some?additional?details:
[1]?Each?of?the?A?B?and?C?blocks?have?a?‘scale_residual‘?parameter.
????The?scale?residual?parameter?is?according?to?the?paper.?It?is?however?turned?OFF?by?default.

????Simply?setting?‘scale=True‘?in?the?create_inception_resnet_v1()?method?will?add?scaling.
“““


def?inception_resnet_stem(input):
????if?K.image_dim_ordering()?==?“th“:
????????channel_axis?=?1
????else:
????????channel_axis?=?-1

????#?Input?Shape?is?299?x?299?x?3?(tf)?or?3?x?299?x?299?(th)
????c?=?Convolution2D(32?3?3?activation=‘relu‘?subsample=(2?2))(input)
????c?=?Convolution2D(32?3?3?activation=‘relu‘?)(c)
????c?=?Convolution2D(64?3?3?activation=‘relu‘?)(c)
????c?=?MaxPooling2D((3?3)?strides=(2?2))(c)
????c?=?Convolution2D(80?1?1?activation=‘relu‘?border_mode=‘same‘)(c)
????c?=?Convolution2D(192?3?3?activation=‘relu‘)(c)
????c?=?Convolution2D(256?3?3?activation=‘relu‘?subsample=(22)?border_mode=‘same‘)(c)
????b?=?BatchNormalization(axis=channel_axis)(c)
????b?=?Activation(‘relu‘)(b)
????return?b

def?inception_resnet_A(input?scale_residual=True):
????if?K.image_dim_ordering()?==?“th“:
????????channel_axis?=?1
????else:
????????channel_axis?=?-1

????#?Input?is?relu?activation
????init?=?input

????ir1?=?Convolution2D(32?1?1?activation=‘relu‘?border_mode=‘same‘)(input)

????ir2?=?Convolution2D(32?1?1?activation=‘relu‘?border_mode=‘same‘)(input)
????ir2?=?Convolution2D(32?3?3?activation=‘relu‘?border_mode=‘same‘)(ir2)

????ir3?=?Convolution2D(32?1?1?activation=‘relu‘?border_mode=‘same‘)(input)
????ir3?=?Convolution2D(32?3?3?activation=‘relu‘?border_mode=‘same‘)(ir3)
????ir3?=?Convolution2D(32?3?3?activation=‘relu‘?border_mode=‘same‘)(ir3)

????ir_merge?=?merge([ir1?ir2?ir3]?concat_axis=channel_axis?mode=‘concat‘)

????ir_conv?=?Convolution2D(256?1?1?activation=‘linear‘?border_mode=‘same‘)(ir_merge)
????if?scale_residual:?ir_conv?=?Lambda(lambda?x:?x?*?0.1)(ir_conv)

????out?=?merge([init?ir_conv]?mode=‘sum‘)
????out?=?BatchNormalization(axis=channel_axis)(out)
????out?=?Activation(“relu“)(out)
????return?out

def?inception_resnet_B(input?scale_residual=True):
????if?K.image_dim_ordering()?==?“th“:
????????channel_axis?=?1
????else:
????????channel_axis?=?-1

????#?Input?is?relu?activation
????init?=?input

????ir1?=?Convolution2D(128?1?1?activation=‘relu‘?border_mode=‘same‘)(input)

????ir2?=?Convolution2D(128?1?1?activation=‘relu‘?border_mode=‘same‘)(input)
????ir2?=?Convolution2D(128?1?7?activation=‘relu‘?borde

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-02-03?06:35??titu1994-Inception-v4-af62d6f\
?????目錄???????????0??2017-02-03?06:35??titu1994-Inception-v4-af62d6f\.idea\
?????目錄???????????0??2017-02-03?06:35??titu1994-Inception-v4-af62d6f\.idea\inspectionProfiles\
?????文件?????????706??2017-02-03?06:35??titu1994-Inception-v4-af62d6f\.idea\inspectionProfiles\Project_Default.xml
?????文件?????????235??2017-02-03?06:35??titu1994-Inception-v4-af62d6f\.idea\inspectionProfiles\profiles_settings.xml
?????文件?????????180??2017-02-03?06:35??titu1994-Inception-v4-af62d6f\.idea\vcs.xml
?????目錄???????????0??2017-02-03?06:35??titu1994-Inception-v4-af62d6f\Architectures\
?????文件?????2355618??2017-02-03?06:35??titu1994-Inception-v4-af62d6f\Architectures\Inception?ResNet-v1.png
?????文件?????2137294??2017-02-03?06:35??titu1994-Inception-v4-af62d6f\Architectures\Inception?ResNet-v2.png
?????文件?????1798247??2017-02-03?06:35??titu1994-Inception-v4-af62d6f\Architectures\Inception-v4.png
?????文件????????2519??2017-02-03?06:35??titu1994-Inception-v4-af62d6f\README.md
?????文件????????7833??2017-02-03?06:35??titu1994-Inception-v4-af62d6f\inception_resnet_v1.py
?????文件????????9308??2017-02-03?06:35??titu1994-Inception-v4-af62d6f\inception_resnet_v2.py
?????文件????????6714??2017-02-03?06:35??titu1994-Inception-v4-af62d6f\inception_v4.py
?????目錄???????????0??2017-02-03?06:35??titu1994-Inception-v4-af62d6f\weights\
?????文件?????????334??2017-02-03?06:35??titu1994-Inception-v4-af62d6f\weights\ADD_WEIGHT_FILES_HERE.txt

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