Commit ee9ad2f9 authored by Gihan Jayatilaka's avatar Gihan Jayatilaka

Upload New File

parent e1f29ca9
import matplotlib.pyplot as plt
import numpy as np
from keras.applications.imagenet_utils import preprocess_input
from keras.applications.vgg16 import VGG16
from keras.preprocessing import image
from keras import backend as K
from heatmap import to_heatmap, synset_to_dfs_ids
from keras.models import load_model
def display_heatmap(new_model, img_path, ids, preprocessing=None):
# The quality is reduced.
# If you have more than 8GB of RAM, you can try to increase it.
img = image.load_img(img_path, target_size=(800, 1280))
x = image.img_to_array(img)
x = np.expand_dims(x, axis=0)
if preprocessing is not None:
x = preprocess_input(x)
out = new_model.predict(x)
heatmap = out[0] # Removing batch axis.
if K.image_data_format() == 'channels_first':
heatmap = heatmap[ids]
if heatmap.ndim == 3:
heatmap = np.sum(heatmap, axis=0)
else:
heatmap = heatmap[:, :, ids]
if heatmap.ndim == 3:
heatmap = np.sum(heatmap, axis=2)
plt.imshow(heatmap, interpolation="none")
plt.show()
model = load_model('InceptionV3.h5')
new_model = to_heatmap(model)
idx = 0 # The index of the class you care about, here the first one.
display_heatmap(new_model, "./pics/frame0.jpg", idx)
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