65536行(それぞれ1イメージを表す)、49列(7x7イメージ)およびバイナリクラス(50列)のデータセットにCNNモデルを構築する必要があります。 (テストセット用の7800行)ValueError:CorrMM:不可能な出力形状
mnistデータセットを使用してCNNを実行する場合の例を参照していますが、列車モデルの構築に失敗しました。ここで
は私のコードです:
from __future__ import print_function
import keras
from keras.models import Sequential
from keras.layers import Dense, Dropout, Flatten
from keras.layers import Conv2D, MaxPooling2D
from keras.utils import np_utils
from keras import backend as K
K.set_image_dim_ordering('th')
import pandas as pd
import numpy as np
# input image dimensions
img_rows, img_cols = 7, 7
# fix random seed for reproducibility
seed = 7
np.random.seed(seed)
x_train = pd.read_csv('palm_3x3_test.csv')
x_train.drop(['class'],axis=1,inplace=True)
x_train = x_train.as_matrix().reshape(-1,7, 7)
y_train = pd.read_csv('palm_3x3_test.csv')
y_train = y_train[['class']]
x_test = pd.read_csv('palm_3x3_data.csv')
x_test.drop(['class'],axis=1,inplace=True)
x_test = x_test.as_matrix().reshape(-1,7, 7)
y_test = pd.read_csv('palm_3x3_data.csv')
y_test = y_test[['class']]
# reshape to be [samples][pixels][width][height]
x_train_final = x_train.reshape(x_train.shape[0],1,7,7).astype('float32')
x_test_final = x_test.reshape(x_test.shape[0],1,7, 7).astype('float32')
print(x_train.shape)
print(x_test.shape)
print(x_train_final.shape)
print(x_test_final.shape)
print(y_train.shape)
print(y_test.shape)
# normalize inputs from 0-255 to 0-1
x_train_final = x_train_final/255
x_test_final = x_test_final/255
# one hot encode outputs
y_train = np_utils.to_categorical(y_train)
y_test = np_utils.to_categorical(y_test)
num_classes = y_test.shape[1]
print (y_test.shape)
print(y_train.shape)
def baseline_model():
# create model
model = Sequential()
model.add(Conv2D(30,(5,5), padding='valid', activation='relu',input_shape=(1,7,7)))
model.add(MaxPooling2D(pool_size=(2, 2)))
model.add(Conv2D(15 ,(3, 3), activation='relu'))
model.add(MaxPooling2D(pool_size=(2, 2)))
model.add(Dropout(0.2))
model.add(Flatten())
model.add(Dense(128, activation='relu'))
model.add(Dense(50, activation='relu'))
model.add(Dense(num_classes, activation='softmax'))
# Compile model
model.compile(loss='binary_crossentropy', optimizer='adam', metrics=['accuracy'])
return model
# build the model
model = baseline_model()
# Fit the model
model.fit(x_train_final,y_train, validation_data=(x_test_final,y_test), nb_epoch=10, batch_size=200,verbose=2)
# Final evaluation of the model
scores = model.evaluate(x_test,y_test, verbose=0)
print("CNN Error: %.2f%%" % (100-scores[1]*100))
私はTheanoを使用していますし、私のデータの出力形状は次のとおりです。
x_train.shape = (65536L, 7L, 7L)
x_test.shape = (7800L, 7L, 7L)
x_train_final.shape = (65536L, 1L, 7L, 7L)
x_test_final.shape = (7800L, 1L, 7L, 7L)
y_train.shape = (65536L, 2L)
y_test.shape = (7800L, 2L)
私はそれがプロンプトエラー実行中:
ValueError: CorrMM: impossible output shape
bottom shape: 200 x 30 x 1 x 1
weights shape: 15 x 30 x 3 x 3
top shape: 200 x 15 x -1 x -1