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    文件類型: .py
    金幣: 1
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    發(fā)布日期: 2021-05-27
  • 語(yǔ)言: Python
  • 標(biāo)簽: CNN??

資源簡(jiǎn)介

基于星系圖像分類的,CNN模板的源代碼資源,python實(shí)現(xiàn)使用tensorflow框架

資源截圖

代碼片段和文件信息

#?coding=utf-8

import?tensorflow?as?tf
import?pickle
import?random

#?defines?the?size?of?the?batch.
BATCH_SIZE?=?40
#?one?channel?in?our?grayscale?images.
NUM_CHANNELS?=?1
#?The?random?seed?that?defines?initialization.
SEED?=?42223

IMAGE_SIZE?=?64

NUM_LABELS?=?2

import?numpy?as?np
from?PIL?import?Image
import?os

class_num?=?2
img1_num?=?10000
img2_num?=?10000
img1_test_num?=?1000
img2_test_num?=?1000
train_num?=?img1_num?+?img2_num
test_total_num?=?img1_test_num?+?img2_test_num

image_height?=?64
image_width?=?64
image_channle?=?1

data_path1?=?‘/home/skywalker/桌面/cnn/1.1‘
data_path2?=?‘/home/skywalker/桌面/cnn/2.1‘
#data_path3?=?‘/Users/xinruyue/Desktop/python_test/3‘

def?ImageToMatrix(filename):
????im?=?Image.open(filename)
????widthheight?=?im.size
????im?=?im.convert(“L“)
????data?=?im.getdata()
????data?=?np.matrix(data)
????#new_data?=?np.reshape(data(widthheight))
????new_data?=?np.reshape(data(heightwidth))
????return?new_data

for?root?dirs?files?in?os.walk(data_path1):
????f1?=?files
img1?=?[]
for?each?in?f1:
????path?=?os.path.join(data_path1each)
????img1.append(ImageToMatrix(path))
print(len(img1))

for?root?dirs?files?in?os.walk(data_path2):
????f2?=?files
img2?=?[]
for?each?in?f2:
????path?=?os.path.join(data_path2each)
????img2.append(ImageToMatrix(path))
print(len(img2))

‘‘‘
for?root?dirs?files?in?os.walk(data_path3):
????f3?=?files
img3?=?[]
for?each?in?f3:
????path?=?os.path.join(data_path3each)
????img3.append(ImageToMatrix(path))
‘‘‘

dummy_train_data?=?img1[:img1_num]?+?img2[:img2_num]

dummy_train_labels?=?np.zeros((train_numclass_num))
dummy_train_labels[:img1_num?0?]?=?1
dummy_train_labels[img2_num:?1?]?=?1
#dummy_train_labels[3000:?2?]?=?1

data_label_pair?=?list(zip(dummy_train_data?dummy_train_labels))
random.shuffle(data_label_pair)

train_data_temp?=?list(zip(*data_label_pair))[0]
train_labels_temp?=?list(zip(*data_label_pair))[1]
print(len(train_data_temp))
train_data?=?np.array(train_data_temp).reshape((train_numimage_heightimage_widthimage_channle)).astype(np.float32)
train_labels?=?np.array(train_labels_temp)

train_size?=?train_labels.shape[0]

#?prepare?test?datas?and?labels
dummy_test_data?=?img1[img1_num:img1_num?+?img1_test_num]?+?img2[img2_num:img2_num?+?img2_test_num]

dummy_test_labels?=?np.zeros((test_total_numclass_num))
dummy_test_labels[:img1_test_num?0?]?=?1
dummy_test_labels[img2_test_num:?1?]?=?1
#dummy_test_labels[400:?2?]?=?1

test_data_label_pair?=?list(zip(dummy_test_data?dummy_test_labels))
random.shuffle(test_data_label_pair)

test_data_temp?=?list(zip(*test_data_label_pair))[0]
test_labels_temp?=?list(zip(*test_data_label_pair))[1]
print?len(test_data_temp)
test_data?=?np.array(test_data_temp).reshape((test_total_numimage_heightimage_widthimage_channle)).astype(np.float32)
test_labels?=?np.array(test_labels_temp)

train_data_node?=?tf.placeholder(
??tf.float32
??shape=(BATCH_SIZE?IMAGE_SIZE?IMAGE_SIZE?NUM_CHANNELS))
train_labels_node?=?tf.placeholder(

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