이미지 분류(CNN)

이미지 분류(CNN)

11th Grade

10 Qs

quiz-placeholder

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이미지 분류(CNN)

이미지 분류(CNN)

Assessment

Quiz

Computers

11th Grade

Practice Problem

Hard

Created by

S Chung

Used 9+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

다음 중 데이터 정규화(nomalization)에 대한 코드는?

(x_train, y_train), (x_test, y_test) = cifar10.load_data()

x_train = x_train.astype('float32') / 255.0

y_train = to_categorical(y_train)

print(y_train.shape, y_train.dtype)

2.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

다음 중 원-핫 인코딩(one-hot encoding)에 대한 코드는?

(x_train, y_train), (x_test, y_test) = cifar10.load_data()

x_train = x_train.astype('float32') / 255.0

y_train = to_categorical(y_train)

print(y_train.shape, y_train.dtype)

3.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Media Image

신경망 학습 시 특정 네트워크 층의 유닛을 고정된 개수만큼 선택하여 제외한다. 이로써 과대적합을 방지할 수 있다. 무엇을 의미하는가?

은닉층

풀링

합성곱

드롭아웃

4.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Media Image

다음 중 합성곱 층에 해당하는 코드는?

model.add(Dense(512, activation = 'relu'))

model.add(Conv2D(64, (3, 3), activation = 'relu'))

model.add(MaxPooling2D(pool_size = (2, 2)))

model.add(Dropout(0.25))

5.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Media Image

다음 중 풀링 층에 해당하는 코드는?

model.add(Dense(512, activation = 'relu'))

model.add(Conv2D(64, (3, 3), activation = 'relu'))

model.add(MaxPooling2D(pool_size = (2, 2)))

model.add(Dropout(0.25))

6.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Media Image

합성곱 층을 통과한 이미지는 완전연결층으로 연결하기 위해서 이미지를 일렬로 펼쳐서 신경망으로 만들어야 한다. 이에 해당하는 코드는?

model.add(Dense(512, activation = 'relu'))

model.add(Conv2D(64, (3, 3), activation = 'relu'))

model.add(MaxPooling2D(pool_size = (2, 2)))

model.add(Flatten())

7.

MULTIPLE SELECT QUESTION

30 sec • 10 pts

다음은 모델을 컴파일 하기 위한 코드이다. (1)에 들어갈 수 있는 코드를 모두 고르면?

model.compile(loss = '(1)', optimizer = '(2)', metrics = ['accuracy'])

categorical_crossentropy

adam

RMSprop

crossentropy

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