keras导入模型预测时报错ValueError: Error when checking input: expected conv2d_1_input to have 4 dimensions, b

本文详细解析了在使用TensorFlow进行深度学习模型训练时,遇到的“ValueError:Error when checking input”错误的原因及解决方案。主要是由于输入数据维度不符合模型预期导致,正确的做法是将数据reshape为(batchsize, X, X, X)的形式。

摘要生成于 C知道 ,由 DeepSeek-R1 满血版支持, 前往体验 >

ValueError: Error when checking input: expected conv2d_1_input to have 4 dimensions, but got array with shape (X, X, X)

解决方法:原因是输入的第一个dimension是bachsize,所以需要将数据reshape为(1,X, X, X)。

import pandas as pd import numpy as np import matplotlib.pyplot as plt from keras.models import Model, Input from keras.layers import Conv1D, BatchNormalization, Activation, Add, Flatten, Dense from keras.optimizers import Adam # 读取CSV文件 data = pd.read_csv("3c_left_1-6.csv", header=None) # 将数据转换为Numpy数组 data = data.values # 定义输入形状 input_shape = (data.shape[1], 1) # 定义深度残差网络 def residual_network(inputs): # 第一层卷积层 x = Conv1D(32, 3, padding="same")(inputs) x = BatchNormalization()(x) x = Activation("relu")(x) # 残差块 for i in range(5): y = Conv1D(32, 3, padding="same")(x) y = BatchNormalization()(y) y = Activation("relu")(y) y = Conv1D(32, 3, padding="same")(y) y = BatchNormalization()(y) y = Add()([x, y]) x = Activation("relu")(y) # 全局池化层和全连接层 x = Flatten()(x) x = Dense(128, activation="relu")(x) x = Dense(data.shape[1], activation="linear")(x) outputs = Add()([x, inputs]) return outputs # 构建模型 inputs = Input(shape=input_shape) outputs = residual_network(inputs) model = Model(inputs=inputs, outputs=outputs) # 编译模型 model.compile(loss="mean_squared_error", optimizer=Adam()) # 训练模型 model.fit(data[..., np.newaxis], np.squeeze(data), epochs=100) # 预测数据 predicted_data = model.predict(data[..., np.newaxis]) predicted_data = np.squeeze(predicted_data) # 可视化去噪前后的数据 fig, axs = plt.subplots(3, 1, figsize=(12, 8)) for i in range(3): axs[i].plot(data[:, i], label="Original Signal") axs[i].plot(predicted_data[:, i], label="Denoised Signal") axs[i].legend() plt.savefig("denoised_signal.png") # 将去噪后的数据保存为CSV文件 df = pd.DataFrame(predicted_data, columns=["x", "y", "z"]) df.to_csv("denoised_data.csv", index=False)报错为Traceback (most recent call last): File "G:\project2\main.py", line 51, in <module> model.fit(data[..., np.newaxis], np.squeeze(data), epochs=100) File "G:\python\envs\tensorflow\lib\site-packages\keras\engine\training.py", line 1154, in fit batch_size=batch_size) File "G:\python\envs\tensorflow\lib\site-packages\keras\engine\training.py", line 621, in _standardize_user_data exception_prefix=&#39;target&#39;) File "G:\python\envs\tensorflow\lib\site-packages\keras\engine\training_utils.py", line 135, in standardize_input_data &#39;with shape &#39; + str(data_shape)) ValueError: Error when checking target: expected add_6 to have 3 dimensions, but got array with shape (575206, 3)
05-10
评论 22
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值