#功图批量绘制 import os import numpy as np import pandas as pd from PIL import Image from matplotlib import pyplot as plt plt.figure(figsize=(4, 2), dpi=50, frameon=False) ax = plt.axes([0, 0, 1, 1]) grey = plt.get_cmap('Greys') seismic = plt.get_cmap('bwr') datapath = "G:/功图excel/0" conds = os.listdir(datapath) for cond in conds: data = pd.read_csv("G:/功图excel/0/" + cond) os.mkdir(r"G:/功图/0/" + cond[:-4]) # print(data) # 首先将pandas读取的数据转化为array data = np.array(data) # 然后转化为list形式 data = data.tolist() # print(data) n = 0 for i in data: if np.isnan(i).any(): # 检查数据是否包含 NaN 值 continue # 如果包含，则跳过该迭代 WY = i[0:200] ZH = i[200:400] # print(len(WY),len(ZH)) plt.plot(WY[0: 100], ZH[0: 100], color=seismic(5 / 5.0), lw=3) plt.plot(WY[100: 200], ZH[100: 200], color=seismic(0 / 5.0), lw=3) plt.xticks([]) plt.yticks([]) ax.spines['right'].set_visible(False) ax.spines['top'].set_visible(False) ax.spines['left'].set_visible(False) ax.spines['bottom'].set_visible(False) Y_ALL = [] Y_ALL.extend(list(map(float, ZH))) Y_MAX, Y_MIN = np.max(Y_ALL), np.min(Y_ALL) ax.set_ylim(np.min([0, Y_MIN - (Y_MAX - Y_MIN) * 0.1]), Y_MAX + (Y_MAX - Y_MIN) * 0.1) plt.savefig("G:/功图/0/" + cond[:-4] + '/' + str(n), dpi=50) # plt.savefig(newpath + "GT/" + cond + "/" + data['IMGNAME'][i], dpi=50) plt.clf() # plt.show() n = n + 1，以上这段代码画出来的图为什么第一张无边框，其余都有边框？

# import pandas as pd # import matplotlib.pyplot as plt # from PIL import Image # import io # # 读取.parquet文件 # # df = pd.read_parquet('../points/wrq_cameratest/training_camera_image_10526338824408452410_5714_660_5734_660.parquet') # # # 获取图像数据列 # image_column = '[CameraImageComponent].image' # i=0 # # 遍历每行数据 # for index, row in df.iterrows(): # # 读取图像数据 # if i<1: # image_data = row[image_column] # # # 创建BytesIO对象 # image_stream = io.BytesIO(image_data) # # # 打开图像 # image = Image.open(image_stream) # # # 显示图像 # plt.imshow(image) # plt.axis('off') # plt.show() # print(df) # print("##") # i=i+1 # else: # exit() # import os import tensorflow.compat.v1 as tf import math import numpy as np import itertools tf.enable_eager_execution() from waymo_open_dataset.utils import range_image_utils from waymo_open_dataset.utils import transform_utils from waymo_open_dataset.utils import frame_utils from waymo_open_dataset import dataset_pb2 as open_dataset FILENAME = '../tools/frames' dataset = tf.data.TFRecordDataset(FILENAME, compression_type='') for data in dataset: frame = open_dataset.Frame() frame.ParseFromString(bytearray(data.numpy())) break (range_images, camera_projections, _, range_image_top_pose) = frame_utils.parse_range_image_and_camera_projection( frame) print('_____________________') print(frame.context)

接着，代码调用 frame_utils.parse_range_image_and_camera_projection() 函数，将 frame 作为参数传入，解析出 range_images、camera_projections、range_image_top_pose 等数据。最后，代码打印出 frame.context...

data = np.loadtxt('D:\Graduate-student_learn\Study-two_learn\project/1deepmodal_paper\datebase\data/train-test/test-five\抽样/4.csv', delimiter=',') images = data.reshape(-1, 11, 11) import matplotlib.pyplot as plt for i, image in enumerate(images): img = Image.fromarray(image.astype(np.uint8), mode='L') img.save('./U2R1/u2r_{}.png'.format(i))加入图像归一化代码

import pandas as pd import numpy as np import torch from torchvision import transforms from PIL import Image # 读取 CSV 文件 data = np.loadtxt('D:\Graduate-student_learn\Study-two_learn\project/1...

import numpy as np import pandas as pd import matplotlib.pyplot as plt import PIL import torch from torchvision import transforms import torchvision #调用已经训练好的FCN语义分割网络 model = torchvision.models.segmentation.fcn_resnet101(pretrained=True) model.eval() #读取照片 image=PIL.Image.open('1234.jpg') #照片进行预处理 image_transf=transforms.Compose([ transforms.ToTensor(), transforms.Normalize(mean=[0.485,0.456,0.406], std=[0.229,0.224,0.225]) ] ) image_tensor=image_transf(image).unsqueeze(0) output=model(image_tensor)['out'] output.shape #读取图片，进行分割，总共21个通道，因为在21个数据集上训练 #转化为2维图像 outputarg=torch.argmax(output.squeeze(),dim=0).numpy() outputarg def decode_seqmaps(image,label_colors,nc=21): r=np.zeros_like(image).astype(np.uint8) g=np.zeros_like(image).astype(np.uint8) b=np.zeros_like(image).astype(np.uint8) for cla in range(0,nc): idx = image == cla r[idx] = label_colors[cla,0] g[idx] = label_colors[cla,1] b[idx] = label_colors[cla,2] rgbimage= np.stack([r,g,b],axis=2) return rgbimage import os os.environ["KMP_DUPLICATE_LIB_OK"]="TRUE" label_colors =np.array([(0,0,0), #0=background (128,0,0),(0,128,0),(128,128,0),(0,0,128), #1=airplane,2=bicycle,3=bird,4=boat (128,0,128),(0,128,128),(128,128,128),(64,0,0), #6=bus,7=car,8=cat,9=chair (192,0,0),(64,128,0),(192,128,0),(64,0,128), #10=cow,11=dining table,12=dog,13=horse (192,0,128),(64,128,128),(192,128,128),(0,64,0), #14=motorbike,15=person,16=potted plant,17=sheep (128,64,0),(0,192,0),(128,192,0),(0,64,128) #18=sofa,19=train,20=tv/monitor ]) outputrgb=decode_seqmaps(outputarg,label_colors) plt.figure(figsize=(20,8)) plt.subplot(1,2,1) plt.imshow(image) plt.axis('off') plt.subplot(1,2,2) plt.imshow(outputrgb) plt.axis('off') plt.subplots_adjust(wspace=0.05) plt.show() 使用了哪些深度学习的模型和方法，该代码的实验目的是什么

这段代码导入了以下几个...- matplotlib.pyplot 模块，并将其命名为 plt - PIL（Python Imaging Library）模块 - torch 库 - torchvision 库中的 transforms 模块这些库和模块的具体作用可以根据需要进行查找和学习。

import numpy as np import pandas as pd from wordcloud import WordCloud, ImageColorGenerator import matplotlib.pyplot as plt from PIL import Image def draw_cloud(read_name): image = Image.open('/Users/zhoulexin/downloads/学者.png') # 作为背景轮廓图 graph = np.array(image) # 参数分别是指定字体、背景颜色、最大的词的大小、使用给定图作为背景形状 wc = WordCloud(font_path='System/Library/Fonts/Supplemental/Arial Unicode.ttf', background_color='black', max_words=100, mask=graph) fp = pd.read_csv(read_name, encoding='gb18030') # 读取词频文件, 因为要显示中文，故编码为gbk name = list(fp["name"]) # 词 value = fp.val # 词的频率 for i in range(len(name)): name[i] = str(name[i]) dic = dict(zip(name, value)) # 词频以字典形式存储 wc.generate_from_frequencies(dic) # 根据给定词频生成词云 image_color = ImageColorGenerator(graph) plt.imshow(wc) plt.axis("off") # 不显示坐标轴 plt.show() wc.to_file('scholar词云.png') # 图片命名 if name == 'main': draw_cloud("/Users/zhoulexin/downloads/李学龙.csv")代码报错为KeyError: 'name'如何修改

这个错误可能是因为你的csv文件中没有名为"name"的列。你可以使用以下代码打印出所有的列名，检查一下是否有名为"name"的列： print(fp.columns) 如果没有名为"name"的列，那么你需要将下面的代码修改为你...

import streamlit as st import pandas as pd import numpy as np import matplotlib.pyplot as plt import altair as alt from PIL import Image # st.header - 显示主标题 st.header('学习streamlit模块')#显示主标题 # st.subheader - 显示副标题 st.subheader('副标题用法')#显示副标题 # st.text - 显示文本 st.text('显示定宽文本') # st.markdown - 显示markdown文本 st.markdown('Streamlit <html>', True) st.markdown('Streamlit <html>', False) # st.code - 显示代码块 code = '''def hello(): print("Hello, Streamlit!")''' st.code(code, language='python') st.code(code, language='java') # st.write - 通用显示方法 st.write("2222") st.write(1234) st.write(pd.DataFrame({ '名字': [1, 2, 3, 4], '电话': [10, 20, 30, 50], })) # json a = { 'foo': 'bar', 'baz': 'boz', 'stuff': [ 'stuff 1', 'stuff 2', 'stuff 3', 'stuff 5', ], } st.json(a) st.write(a["stuff"][1]) # st.pyplot - 显示pyplot图表 arr = np.random.normal(1, 1, size=100) plt.hist(arr, bins=50) st.set_option('deprecation.showPyplotGlobalUse', False) st.pyplot() # st.altair - 显示altair图表 df = pd.DataFrame(np.random.randn(200, 3), columns=['a', 'b', 'c']) c = alt.Chart(df).mark_circle().encode(x='a', y='b', size='c', color='c') st.altair_chart(c) # st.vega_lite_chart - 显示Vega-Lite图表 df = pd.DataFrame(np.random.randn(200, 3), columns=['a', 'b', 'c']) st.vega_lite_chart(df, { 'mark': 'circle', 'encoding': {'x': {'field': 'a', 'type': 'quantitative'}, 'y': {'field': 'b', 'type': 'quantitative'}, 'size': {'field': 'c', 'type': 'quantitative'}, 'color': {'field': 'c', 'type': 'quantitative'}, }, }) # st.line_chart - 显示折线图 chart_data = pd.DataFrame(np.random.randn(20, 3), columns=['a', 'b', 'c']) st.line_chart(chart_data) # st.area_chart - 显示区域图 chart_data = pd.DataFrame(np.random.randn(20, 3), columns=['a', 'b', 'c']) st.area_chart(chart_data) # st.map - 显示地图 df = pd.DataFrame(np.random.randn(1000, 2) / [50, 50] + [37.76, -122.4], columns=['lat', 'lon']) st.map(df) 请详细解释以上代码

首先，通过导入所需的模块，如streamlit、pandas、numpy、matplotlib.pyplot、altair和PIL.Image，我们可以开始构建应用程序。接下来，使用st.header和st.subheader函数来显示主标题和副标题。然后，使用...

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import matplotlib.pyplot as plt # 读取文本文件 text = open('text.txt', 'r', encoding='utf-8').read() # 加载背景图片 image = np.array(Image.open('background.png')) # 设置停用词 stopwords = set...

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