text_boxes = doc.inline_shapes 解释

时间: 2023-06-16 21:07:36 浏览: 50
`text_boxes = doc.inline_shapes`是一行Python代码,它的作用是从一个Word文档中获取所有内联形状(inline shapes)并将它们赋值给`text_boxes`变量。 在Word文档中,内联形状是指与文本内容相连并跟随文本一起移动的形状,例如图片、图表、文本框等。`inline_shapes`属性是一个Word文档对象(`doc`)的属性,它包含了文档中所有内联形状的集合。通过将`doc.inline_shapes`赋值给`text_boxes`变量,我们可以方便地对文档中的所有内联形状进行操作,例如复制、删除、调整大小等。
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shapes = doc.inline_shapes

这行代码是用来获取文档中所有的内联形状对象(inline shape object)。内联形状对象是指文本中嵌入的图像、图表、公式等对象,它们与文本内容混排在一起。获取到这些内联形状对象之后,可以对它们进行一些操作,比如修改、替换、删除等。请注意,这行代码需要在使用之前先确保已经将文档加载到了内存中。

text_boxes = doc.inline_shapes for box in text_boxes: if box.has_text_frame: # 查找文本框的文本 for paragraph in box.text_frame.paragraphs: if tag5 in paragraph: #将文本框里的内容替换为filenumber box.text_frame.paragraphs[0].text = text.replace(tag5, filenumber_name)

这段代码的功能是查找一个Word文档中所有带有文本框的内联形状,并将其中包含特定文本的段落中的文本替换为指定的文件号。具体来说,它首先使用doc.inline_shapes查找文档中的所有内联形状(包括文本框),然后遍历每个内联形状,查找其中是否有文本框。如果有,它将遍历文本框中的每个段落,并检查其中是否包含特定的文本标记(tag5)。如果包含,它将使用指定的文件号(filenum_name)替换这个段落中的文本。最后,它将修改后的文本赋值给文本框的第一个段落,从而实现替换。

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逐行详细解释以下代码并加注释from tensorflow import keras import matplotlib.pyplot as plt base_image_path = keras.utils.get_file( "coast.jpg", origin="https://img-datasets.s3.amazonaws.com/coast.jpg") plt.axis("off") plt.imshow(keras.utils.load_img(base_image_path)) #instantiating a model from tensorflow.keras.applications import inception_v3 model = inception_v3.InceptionV3(weights='imagenet',include_top=False) #配置各层对DeepDream损失的贡献 layer_settings = { "mixed4": 1.0, "mixed5": 1.5, "mixed6": 2.0, "mixed7": 2.5, } outputs_dict = dict( [ (layer.name, layer.output) for layer in [model.get_layer(name) for name in layer_settings.keys()] ] ) feature_extractor = keras.Model(inputs=model.inputs, outputs=outputs_dict) #定义损失函数 import tensorflow as tf def compute_loss(input_image): features = feature_extractor(input_image) loss = tf.zeros(shape=()) for name in features.keys(): coeff = layer_settings[name] activation = features[name] loss += coeff * tf.reduce_mean(tf.square(activation[:, 2:-2, 2:-2, :])) return loss #梯度上升过程 @tf.function def gradient_ascent_step(image, learning_rate): with tf.GradientTape() as tape: tape.watch(image) loss = compute_loss(image) grads = tape.gradient(loss, image) grads = tf.math.l2_normalize(grads) image += learning_rate * grads return loss, image def gradient_ascent_loop(image, iterations, learning_rate, max_loss=None): for i in range(iterations): loss, image = gradient_ascent_step(image, learning_rate) if max_loss is not None and loss > max_loss: break print(f"... Loss value at step {i}: {loss:.2f}") return image #hyperparameters step = 20. num_octave = 3 octave_scale = 1.4 iterations = 30 max_loss = 15. #图像处理方面 import numpy as np def preprocess_image(image_path): img = keras.utils.load_img(image_path) img = keras.utils.img_to_array(img) img = np.expand_dims(img, axis=0) img = keras.applications.inception_v3.preprocess_input(img) return img def deprocess_image(img): img = img.reshape((img.shape[1], img.shape[2], 3)) img /= 2.0 img += 0.5 img *= 255. img = np.clip(img, 0, 255).astype("uint8") return img #在多个连续 上运行梯度上升 original_img = preprocess_image(base_image_path) original_shape = original_img.shape[1:3] successive_shapes = [original_shape] for i in range(1, num_octave): shape = tuple([int(dim / (octave_scale ** i)) for dim in original_shape]) successive_shapes.append(shape) successive_shapes = successive_shapes[::-1] shrunk_original_img = tf.image.resize(original_img, successive_shapes[0]) img = tf.identity(original_img) for i, shape in enumerate(successive_shapes): print(f"Processing octave {i} with shape {shape}") img = tf.image.resize(img, shape) img = gradient_ascent_loop( img, iterations=iterations, learning_rate=step, max_loss=max_loss ) upscaled_shrunk_original_img = tf.image.resize(shrunk_original_img, shape) same_size_original = tf.image.resize(original_img, shape) lost_detail = same_size_original - upscaled_shrunk_original_img img += lost_detail shrunk_original_img = tf.image.resize(original_img, shape) keras.utils.save_img("DeepDream.png", deprocess_image(img.numpy()))

from PIL import Image import numpy as np import io # 读取原始图像和压缩后图像 original_img = Image.open('test.jpg') compressed_img = Image.open('test_compressed.jpg') # 将图像转换为 NumPy 数组 original_img_arr = np.array(original_img) compressed_img_arr = np.array(compressed_img) # 计算原始图像大小 original_size = original_img_arr.nbytes # 计算压缩后图像大小 compressed_size = compressed_img_arr.nbytes # 计算压缩率 compression_ratio = compressed_size / original_size # 计算峰值信噪比(PSNR) mse = np.mean((original_img_arr - compressed_img_arr) ** 2) psnr = 10 * np.log10(255**2 / mse) # 计算结构相似性指数(SSIM) from skimage.metrics import structural_similarity as ssim ssim_score = ssim(original_img_arr, compressed_img_arr, multichannel=True) # 计算峰值信噪比改进比(PSNR-HVS) from skimage.metrics import peak_signal_noise_ratio as psnr_hvs psnr_hvs_score = psnr_hvs(original_img_arr, compressed_img_arr, data_range=original_img_arr.max()) # 计算多样性信噪比(MS-SSIM) from skimage.metrics import multi_scale_ssim as ms_ssim ms_ssim_score = ms_ssim(original_img_arr, compressed_img_arr, data_range=original_img_arr.max(), win_size=11) # 计算复杂度压缩比(CPC) cpc = psnr / compression_ratio # 输出七种压缩率 print(f"Compression ratio: {compression_ratio:.4f}") print(f"Peak Signal-to-Noise Ratio (PSNR): {psnr:.2f}") print(f"Structural Similarity Index (SSIM): {ssim_score:.4f}") print(f"Peak Signal-to-Noise Ratio - HVS (PSNR-HVS): {psnr_hvs_score:.2f}") print(f"Multi-Scale Structural Similarity (MS-SSIM): {ms_ssim_score:.4f}") print(f"Complexity-Compression Ratio (CPC): {cpc:.2f}") print(f"Original size: {original_size:,}") print(f"Compressed size: {compressed_size:,}")ValueError: operands could not be broadcast together with shapes (417,556,3) (418,558,3)

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