import base64
import streamlit as st
from PIL import Image
import numpy as np
from keras.models import model_from_json
import subprocess
import os
import tensorflow as tf
from keras.applications.imagenet_utils import preprocess_input
st.markdown('
Image Classification App
', unsafe_allow_html=True)
st.markdown('for classifying **zebras** and **horses**
', unsafe_allow_html=True)
st.cache(allow_output_mutation=True)
def get_base64_of_bin_file(bin_file):
with open(bin_file, 'rb') as f:
data = f.read()
return base64.b64encode(data).decode()
def set_png_as_page_bg(png_file):
bin_str = get_base64_of_bin_file(png_file)
page_bg_img = '''
''' % bin_str
st.markdown(page_bg_img, unsafe_allow_html=True)
return
set_png_as_page_bg('background.webp')
# def load_model():
# # load json and create model
# json_file = open('model.json', 'r')
# loaded_model_json = json_file.read()
# json_file.close()
# CNN_class_index = model_from_json(loaded_model_json)
# # load weights into new model
# model = CNN_class_index.load_weights("model.h5")
# #model= tf.keras.load_model('model.h5')
# #CNN_class_index = json.load(open(f"{os.getcwd()}F:\Machine Learning Resources\ZebraHorse\model.json"))
# return model, CNN_class_index
def load_model():
if not os.path.isfile('model.h5'):
subprocess.run(['curl --output model.h5 "https://github.com/KaburaJ/Binary-Image-classification/blob/main/ZebraHorse/CNN%20Application/model.h5"'], shell=True)
model=tf.keras.models.load_model('model.h5', compile=False)
return model
# def load_model():
# # Load the model architecture
# with open('model.json', 'r') as f:
# model_from_json(f.read())
# # Load the model weights
# model.load_weights('model.h5')
# #CNN_class_index = json.load(open(f"{os.getcwd()}F:\Machine Learning Resources\ZebraHorse\model.json"))
# return model
def image_transformation(image):
#image = Image._resize_dispatcher(image, new_shape=(256, 256))
#image= np.resize((256,256))
image = np.array(image)
np.save('images.npy', image)
image = np.load('images.npy', allow_pickle=True)
return image
# def image_prediction(image, model):
# image = image_transformation(image=image)
# outputs = float(model.predict(image))
# _, y_hat = outputs.max(1)
# predicted_idx = str(y_hat.item())
# return predicted_idx
def main():
image_file = st.file_uploader("Upload an image", type=['jpg', 'jpeg', 'png'])
if image_file:
left_column, right_column = st.columns(2)
left_column.image(image_file, caption="Uploaded image", use_column_width=True)
image_pred = image_transformation(image=Image.open(image_file))
pred_button = st.button("Predict")
model=load_model()
if model is None:
st.error("Error: Model could not be loaded")
return
# label = ['Zebra', 'Horse']
# label = np.array(label).reshape(1, -1)
# ohe= OneHotEncoder()
# labels = ohe.fit_transform(label).toarray()
if pred_button:
outputs = model.predict(int(image_pred))
_, y_hat = outputs.max(1)
predicted_idx = str(y_hat.item())
right_column.title("Prediction")
right_column.write(predicted_idx)
right_column.write(decode_predictions(outputs, top=2)[0])
if __name__ == '__main__':
main()