ResNet50 CNN Model Architecture | Transfer Learning

ResNet-50 is a Cnn That Is 50 layers deep. the network trained on more than a million images from the ImageNet database. The pretrained network can classify images into 1000 object categories, such as keyboard, computer, pen, and many hourse.

ResNet50 CNN Model

# ResNet50

from tensorflow.keras.applications.resnet50 import ResNet50
from tensorflow.keras.applications.resnet50 import decode_predictions
from keras.applications.resnet50 import preprocess_input

from keras.preprocessing import image
import numpy as np
import matplotlib.pyplot as plt
import os
from os import listdir
from PIL import Image as PImage

img_width, img_height = 224, 224

model_pretrained = ResNet50(weights='imagenet', 
                      include_top=True, 
                      input_shape=(img_height, img_width, 3))

# Insert correct path of your image below
img_path = '/content/drive/My Drive/My ML Project /DL Project/Transfer Learning/images/lemon.png'
img = image.load_img(img_path, target_size=(img_width, img_height))
img_data = image.img_to_array(img)
img_data = np.expand_dims(img_data, axis=0)
img_data = preprocess_input(img_data)

#predict the result
cnn_feature = model_pretrained.predict(img_data,verbose=0)
# decode the results into a list of tuples (class, description, probability)
label = decode_predictions(cnn_feature)
label = label[0][0]


plt.imshow(img)

stringprint ="%.1f" % round(label[2]*100,1)
plt.title(label[1] + " " + str(stringprint) + "%", fontsize=20)
plt.axis('off')
plt.show()

# decode the results into a list of tuples (class, description, probability)
# (one such list for each sample in the batch)
print('Predicted:', decode_predictions(cnn_feature, top=3)[0])

label

# Insert correct path of your image below
img_path = '/content/drive/My Drive/My ML Project /DL Project/Transfer Learning/images/flowers-5463475_640.jpg'
img = image.load_img(img_path, target_size=(img_width, img_height))
img_data = image.img_to_array(img)
img_data = np.expand_dims(img_data, axis=0)
img_data = preprocess_input(img_data)

#predict the result
cnn_feature = model_pretrained.predict(img_data,verbose=0)
# decode the results into a list of tuples (class, description, probability)
label = decode_predictions(cnn_feature)
label = label[0][0]


plt.imshow(img)

stringprint ="%.1f" % round(label[2]*100,1)
plt.title(label[1] + " " + str(stringprint) + "%", fontsize=20)
plt.axis('off')
plt.show()

# decode the results into a list of tuples (class, description, probability)
# (one such list for each sample in the batch)
print('Predicted:', decode_predictions(cnn_feature, top=3)[0])

# Insert correct path of your image folder below

folder_path = '/content/drive/My Drive/My ML Project /DL Project/Transfer Learning/images/'
images = os.listdir(folder_path)
fig = plt.figure(figsize=(16,20))
i=0
rows=4
columns=3

for image1 in images:
    i+=1
    img = image.load_img(folder_path+image1, target_size=(img_width, img_height))
    img_data = image.img_to_array(img)
    img_data = np.expand_dims(img_data, axis=0)
    img_data = preprocess_input(img_data)

    cnn_feature = model_pretrained.predict(img_data,verbose=0)
    label = decode_predictions(cnn_feature)
    label = label[0][0]
    
    fig.add_subplot(rows,columns,i)
    fig.subplots_adjust(hspace=.5)

    plt.imshow(img)
    stringprint ="%.1f" % round(label[2]*100,1)
    plt.title(label[1] + " " + str(stringprint) + "%", fontsize=20)
    plt.axis('off')
plt.show()

Paper Link >> https://arxiv.org/pdf/1512.03385.pdf

Keras Applications >> https://keras.io/api/applications/