Deep learning in computer vision. Нейронные сети

1.

Deep learning in computer
vision
Попов Максим
Synesis, RnD

2. Задача классификации

3.

4.

5. Искусственная нейросеть

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

16.

17.

18. Softmax function

19.

20.

21.

22. Пример кода на Keras

Model = keras.Sequential([
keras.layers.Flatten(input_shape = (28,28)),
keras.layers.Dense(128, activation = “relu”),
keras.layers.Dense(10, activation = “softmax”)
])
model.compile(optimizer=“sgd”,
loss = “categorical_crossentropy”,
metrics = [“accuracy”])
model.fit(train_images, train_labels, epoch = 10)
predict = model.predict(test_images)

23. Рекуррентные нейронные сети

24. Сети LSTM (Long short-term memory)