def main():
parser = predict_args.get_args()
parser.add_argument('--version',
action='version',
version='%(prog)s ' + __version__ + ' by ' + __author__)
cli_args = parser.parse_args()
# CPU
device = torch.device("cpu")
# GPU
if cli_args.use_gpu:
device = torch.device("cuda:0")
with open(cli_args.categories_json, 'r') as f:
cat_to_name = json.load(f)
# model
my_model = load_checkpoint(device, cli_args.checkpoint_file)
top_prob, top_classes = predict(cli_args.path_to_image, my_model, cli_args.top_k)
label = top_classes[0]
prob = top_prob[0]
for i in range(len(top_prob)):
print(f"{cat_to_name[top_classes[i]]:<25} {top_prob[i]*100:.2f}%")
def main():
# load the cli args
parser = predict_args.get_args()
cli_args = parser.parse_args()
use_cuda = cli_args.use_gpu
# load categories
with open(cli_args.categories_json, 'r') as f:
cat_to_name = json.load(f)
model_transfer = load_from_checkpoint(cli_args.checkpoint_file)
if use_cuda:
model_transfer.cuda()
top_probs, top_classes = predict(cli_args.path_to_image, model_transfer, use_cuda, topk=cli_args.top_k)
label = top_classes[0]
prob = top_probs[0]
print(f'Input\n---------------------------------')
print(f'Image\t\t:\t{cli_args.path_to_image}')
print(f'Model\t\t:\t{cli_args.checkpoint_file}')
print(f'\nPrediction\n---------------------------------')
print(f'Flower\t\t:\t{cat_to_name[label]}')
print(f'Label\t\t:\t{label}')
print(f'Probability\t:\t{prob*100:.2f}%')
print(f'\nTop K\n---------------------------------')
for i in range(len(top_probs)):
print(f"{cat_to_name[top_classes[i]]:<25} {top_probs[i]*100:.2f}%")
def main():
args = predict_args.get_args()
print(args)
image_path = args.image_path
model, optimizer = predict_utils.load_checkpoint(args.checkpoint,
args.arch, args.gpu)
probs, classes = predict(image_path, model, args.top_k)
cat_to_name = predict_utils.load_category_names(args.category_names)
names = np.array([cat_to_name[i] for i in classes])
for name, prob in zip(names, probs):
print("{}: {}".format(name, str(prob)))
def main():
# load the cli args
parser = predict_args.get_args()
cli_args = parser.parse_args()
# Start with CPU
device = torch.device("cpu")
# Requested GPU
if cli_args.use_gpu:
device = torch.device("cuda:0")
# load the saved model
model = load_model(cli_args.checkpoint_file)
#print(model)
# Run the prediction
predict(cli_args.path_to_image, model, topk=5)
top_probs, top_labels, top_flowers = predict(cli_args.path_to_image, model)
print(top_probs)
top_probs = top_probs[0].detach().numpy() #converts from tensor to nparray
print(top_probs)
flower_num = cli_args.path_to_image.split('/')[2]
title_ = cat_to_name[flower_num] # Calls dictionary for name
label = top_labels[0]
prob = top_probs[0]
print(prob)
# display the results
print(f'Parameters\n---------------------------------')
print(f'Image : {cli_args.path_to_image}')
print(f'Model : {cli_args.checkpoint_file}')
print(f'Device : {device}')
print(f'\nPrediction\n---------------------------------')
print(f'Flower : {cat_to_name[flower_num]}')
print(f'Label : {label}')
print(f'Probability : {prob*100:.2f}')
def main():
"""
Image Classification Prediction
"""
# load the cli args
parser = predict_args.get_args()
parser.add_argument('--version',
action='version',
version='%(prog)s ' + __version__ + ' by ' +
__author__)
cli_args = parser.parse_args()
# Start with CPU
device = torch.device("cpu")
# Requested GPU
if cli_args.use_gpu:
device = torch.device("cuda:0")
# load categories
with open(cli_args.categories_json, 'r') as f:
cat_to_name = json.load(f)
# load model
chkp_model = load_checkpoint(device, cli_args.checkpoint_file)
top_prob, top_classes = predict(cli_args.path_to_image, chkp_model,
cli_args.top_k)
label = top_classes[0]
prob = top_prob[0]
print(f'Parameters\n---------------------------------')
print(f'Image : {cli_args.path_to_image}')
print(f'Model : {cli_args.checkpoint_file}')
print(f'Device : {device}')
print(f'\nPrediction\n---------------------------------')
print(f'Flower : {cat_to_name[label]}')
print(f'Label : {label}')
print(f'Probability : {prob*100:.2f}%')
print(f'\nTop K\n---------------------------------')
for i in range(len(top_prob)):
print(f"{cat_to_name[top_classes[i]]:<25} {top_prob[i]*100:.2f}%")
def main():
parser = predict_args.get_args()
kg_args = parser.parse_args()
#start with CPU
device = torch.device("cpu")
#requested GPU
if kg_args.gpu and torch.cuda.is_available():
device = torch.device("cuda:0")
#category names
with open(kg_args.cat_names, 'r') as f:
cat_to_name = json.load(f)
label = top_classes[0]
prob = top_prob[0]
def main():
"""
Image Classification Network Trainer
Student: Louis Bove
Credit for assistance: https://github.com/cjimti/aipnd-project & https://github.com/DMells/Convolutional-Neural-Networks-Project
"""
parser = predict_args.get_args()
cli_args = parser.parse_args()
# Load using CPU and then request GPU
device = torch.device("cpu")
if cli_args.use_gpu:
device = torch.device("cuda:0")
# Load needed categories and model
with open(cli_args.categories_json, 'r') as f:
cat_to_name = json.load(f)
checkpoint_model = load_checkpoint(device, cli_args.checkpoint)
top_prob, top_classes = predict(cli_args.path_to_image, checkpoint_model,
cli_args.top_k)
label = top_classes[0]
prob = top_prob[0]
print(f'Parameters\n')
print(f'Current image - {cli_args.path_to_image}')
print(f'Model used - {cli_args.checkpoint}')
print(f'Device used - {device}')
print(f'\nPrediction\n')
print(f'Flower : {cat_to_name[label]}')
print(f'Label : {label}')
print(f'Probability : {prob*100:.2f}%')
print(f'\nTop K\n')
for i in range(len(top_prob)):
print(f"{cat_to_name[top_classes[i]]:<25} {top_prob[i]*100:.2f}%")
def main():
parser = predict_args.get_args()
parser.add_argument('--version', action='version', version='%(prog)s '+ __version__+ __author__)
kg_args = parser.parse_args()
#start with CPU
device = torch.device("cpu")
#requested GPU
if kg_args.gpu and torch.cuda.is_available():
device = torch.device("cuda:0")
#category names
with open(kg_args.cat_names, 'r') as f:
cat_to_name = json.load(f)
#load model
checkpoint_model = load_checkpoint(device, kg_args.checkpoint)
img = Image.open(kg_args.image_path)
image = process_image(img)
topk_probs, classes = predict(kg_args.image_path, checkpoint_model, kg_args.top_num)
label = top_classes[0]
prob = top_prob[0]
def main():
args = predict_args.get_args()
device = torch.device("cpu")
if args.use_gpu:
device = torch.device("cuda:0")
# load categories
with open(args.categories_json, 'r') as f:
cat_to_name = json.load(f)
# load model
model = load_checkpoint(device, args.checkpoint_file)
top_prob, top_classes = predict(device, args.path_to_image, model,
args.top_k)
label = top_classes[0]
prob = top_prob[0]
print(f'Parameters\n---------------------------------')
print(f'Image : {args.path_to_image}')
print(f'Model : {args.checkpoint_file}')
print(f'Device : {device}')
print(f'\nPrediction\n---------------------------------')
print(f'Flower : {cat_to_name[label]}')
print(f'Label : {label}')
print(f'Probability : {prob*100:.2f}%')
print(f'\nTop K\n---------------------------------')
for i in range(len(top_prob)):
print(f"{cat_to_name[top_classes[i]]:<25} {top_prob[i]*100:.2f}%")
# returns print statements of the trained model's best guesses
import json
import torch
from torch import nn
from torchvision import datasets, transforms, models
from collections import OrderedDict
from torch import optim
import predict_args
from PIL import Image
import numpy as np
import torch.nn.functional as F
parser = predict_args.get_args()
args = parser.parse_args()
with open(args.category_names, 'r') as f:
cat_to_name = json.load(f)
def get_model():
if args.vgg == 1:
model = models.vgg11(pretrained = True)
elif args.vgg == 2:
model = models.vgg13(pretrained = True)
elif args.vgg == 3:
model = models.vgg16(pretrained = True)
elif args.vgg == 4:
model = models.vgg19(pretrained = True)
if args.alexnet:
model = models.alexnet(pretrained = True)
import matplotlib.pyplot as plt
import torch
import numpy as np
from torch import nn
from torch import optim
import torch.nn.functional as F
from torchvision import datasets, transforms, models
from PIL import Image
import json
import predict_args
import os
args = predict_args.get_args()
print(args)
def load_checkpoint(filepath):
checkpoint = torch.load(filepath)
if checkpoint['arch'] == 'vgg19_bn':
model = models.vgg19_bn()
classifier = nn.Sequential(nn.Linear(25088, checkpoint['hidden_units']),
nn.ReLU(), nn.Dropout(p=0.5),
nn.Linear(checkpoint['hidden_units'], 102),
nn.LogSoftmax(dim=1))
model.classifier = classifier
model.load_state_dict(checkpoint['state_dict'])
model.class_to_idx = checkpoint['class_to_idx']
optimizer = optim.Adam(model.classifier.parameters(), lr=0.001)
optimizer.load_state_dict(checkpoint['optim_state'])
return model, optimizer
