from pdb import set_trace as st import os import numpy as np import cv2 import argparse parser = argparse.ArgumentParser('create image pairs') parser.add_argument('--fold_A', dest='fold_A', help='input directory for image A', type=str, default='./dataset/blurred') parser.add_argument('--fold_B', dest='fold_B', help='input directory for image B', type=str, default='./dataset/sharp') parser.add_argument('--fold_AB', dest='fold_AB', help='output directory', type=str, default='../dataset/out') parser.add_argument('--num_imgs', dest='num_imgs', help='number of images',type=int, default=1000000) parser.add_argument('--use_AB', dest='use_AB', help='if true: (0001_A, 0001_B) to (0001_AB)',action='store_true') args = parser.parse_args() for arg in vars(args): print('[%s] = ' % arg, getattr(args, arg)) splits = os.listdir(args.fold_A) for sp in splits: img_fold_A = os.path.join(args.fold_A, sp) img_fold_B = os.path.join(args.fold_B, sp) img_list = os.listdir(img_fold_A) if args.use_AB: img_list = [img_path for img_path in img_list if '_A.' in img_path] num_imgs = min(args.num_imgs, len(img_list)) print('split = %s, use %d/%d images' % (sp, num_imgs, len(img_list))) img_fold_AB = os.path.join(args.fold_AB, sp) if not os.path.isdir(img_fold_AB): os.makedirs(img_fold_AB) print('split = %s, number of images = %d' % (sp, num_imgs)) for n in range(num_imgs): name_A = img_list[n] path_A = os.path.join(img_fold_A, name_A) if args.use_AB: name_B = name_A.replace('_A.', '_B.') else: name_B = name_A path_B = os.path.join(img_fold_B, name_B) if os.path.isfile(path_A) and os.path.isfile(path_B): name_AB = name_A if args.use_AB: name_AB = name_AB.replace('_A.', '.') # remove _A path_AB = os.path.join(img_fold_AB, name_AB) im_A = cv2.imread(path_A, cv2.IMREAD_COLOR) im_B = cv2.imread(path_B, cv2.IMREAD_COLOR) im_AB = np.concatenate([im_A, im_B], 1) cv2.imwrite(path_AB, im_AB),运行上述代码，提示错误：NotADirectoryError: [WinError 267] 目录名称无效。: 'D:\Users\Administrator\PycharmProjects\pythonProject\DeblurGAN-master\datasets\blurred\1.jpg'

vc.rar_VC qt_qt vc.pdb

"vc.rar_VC qt_qt vc.pdb"这个标题暗示我们这里包含的是关于在Visual C++（VC）环境下使用Qt库的资料，而"qt_vc.pdb"可能是一个程序数据库文件，用于调试和优化代码。首先，让我们深入理解Qt库的核心概念。Qt是由...

msvcr120d.i386_it_notbrk_PDB_msvcr120d.i386_

《深入解析msvcr120d.i386.pdb：Windows开发中的关键组件》在Windows应用程序开发中，MSVCR120D.i386.pdb是一个至关重要的组件，尤其对于调试和诊断过程而言。这个文件是Microsoft Visual C++运行时库的一个动态...

from pdb import set_trace as st import os import numpy as np import cv2 import argparse parser = argparse.ArgumentParser('create image pairs') parser.add_argument('--fold_A', dest='fold_A', help='input directory for image A', type=str, default='../dataset/50kshoes_edges') parser.add_argument('--fold_B', dest='fold_B', help='input directory for image B', type=str, default='../dataset/50kshoes_jpg') parser.add_argument('--fold_AB', dest='fold_AB', help='output directory', type=str, default='../dataset/test_AB') parser.add_argument('--num_imgs', dest='num_imgs', help='number of images',type=int, default=1000000) parser.add_argument('--use_AB', dest='use_AB', help='if true: (0001_A, 0001_B) to (0001_AB)',action='store_true') args = parser.parse_args() for arg in vars(args): print('[%s] = ' % arg, getattr(args, arg)) splits = os.listdir(args.fold_A) for sp in splits: img_fold_A = os.path.join(args.fold_A, sp) img_fold_B = os.path.join(args.fold_B, sp) img_list = os.listdir(img_fold_A) if args.use_AB: img_list = [img_path for img_path in img_list if '_A.' in img_path] num_imgs = min(args.num_imgs, len(img_list)) print('split = %s, use %d/%d images' % (sp, num_imgs, len(img_list))) img_fold_AB = os.path.join(args.fold_AB, sp) if not os.path.isdir(img_fold_AB): os.makedirs(img_fold_AB) print('split = %s, number of images = %d' % (sp, num_imgs)) for n in range(num_imgs): name_A = img_list[n] path_A = os.path.join(img_fold_A, name_A) if args.use_AB: name_B = name_A.replace('_A.', '_B.') else: name_B = name_A path_B = os.path.join(img_fold_B, name_B) if os.path.isfile(path_A) and os.path.isfile(path_B): name_AB = name_A if args.use_AB: name_AB = name_AB.replace('_A.', '.') # remove _A path_AB = os.path.join(img_fold_AB, name_AB) im_A = cv2.imread(path_A, cv2.IMREAD_COLOR) im_B = cv2.imread(path_B, cv2.IMREAD_COLOR) im_AB = np.concatenate([im_A, im_B], 1) cv2.imwrite(path_AB, im_AB)，解释上述代码，并告诉我怎么设置文件夹格式

1. 引入必要的库：pdb、os、numpy、cv2和argparse。 2. 使用argparse来解析命令行参数，包括输入目录和输出目录等。 3. 遍历输入目录中的所有文件夹，并获取每个文件夹中的图像列表。 4. 根据命令行参数，选择要...

import pdb;pdb.set_trace()

这段代码是 Python 中的调试技巧，它会在代码执行到这一行时暂停程序，并进入调试模式，让你能够逐行执行代码并查看变量的值等调试信息。你可以在调试模式下使用一些命令来控制程序的执行，比如 n 执行下一行代码...

import pdb; pdb.set_trace()

pdb.set_trace()，然后运行代码，程序执行到该行时就会进入调试模式。在调试模式下，可以使用以下命令： - n：执行下一行代码 - s：进入函数调用 - c：继续执行直到下一个断点 - p 变量名：打印变量的...

def restore(self, save_path, model=None): if model is None: model = self.alg.model checkpoint = torch.load(save_path,map_location=torch.device('cpu')) # import pdb # pdb.set_trace() # a = torch.load_state_dict(checkpoint) model.load_state_dict(checkpoint)

这段代码是用来从指定路径 save_path 中加载模型参数到 model 中的。如果没有指定 model，则默认使用 self.alg.model。这个方法使用了 PyTorch 的 load() 方法来加载保存的模型参数。...

帮我解读下这个代码：import csv import os import numpy as np import pandas as pd import pymysql from pymysql import connect # %% # drug_table = pd.read_excel('./data/drug.xlsx') drug_table_an = pd.read_excel('./data/mimiciv_feature_info.xlsx', sheet_name='antibiotic') drug_table_sa = pd.read_excel('./data/mimiciv_feature_info.xlsx', sheet_name='sedatives_and_analgesics') drug_table_co = pd.read_excel('./data/mimiciv_feature_info.xlsx', sheet_name='anticoagulant') prescriptions = pd.read_csv('/data/check_in/EHR_data/MIMIC_III/CSV/PRESCRIPTIONS.csv') item = pd.read_csv('/data/check_in/EHR_data/MIMIC_III/CSV/D_ITEMS.csv') labitem = pd.read_csv('/data/check_in/EHR_data/MIMIC_III/CSV/D_LABITEMS.csv') columns_pre = prescriptions.columns.tolist() columns_item = item.columns.tolist() columns_labitem = labitem.columns.tolist() # drugs = (drug_table['anticoagulant'].to_list()+drug_table['antiplatelet'].to_list())[:-4] drugs = ['barbital' ,'zepam' ,'zolam' ,'zolpidem' ,'propofol' ,'dexmedetomidine' ,'pentobarbital' ,'clonazepam' ,'alprazolam' ,'estazolam' ,'Zolpidem Tartrate'] drug_test_tsv = open('drug_patients_sedative.csv', 'w', newline='', encoding='utf-8') drug_test = csv.writer(drug_test_tsv, delimiter=',') drug_test.writerow(columns_pre) item_test_tsv = open('item_patients_sedative.csv', 'w', newline='', encoding='utf-8') item_test = csv.writer(item_test_tsv, delimiter=',') item_test.writerow(columns_item) labitem_test_tsv = open('labitem_patients_sedative.csv', 'w', newline='', encoding='utf-8') labitem_test = csv.writer(labitem_test_tsv, delimiter=',') labitem_test.writerow(columns_labitem) # import pdb;pdb.set_trace() for drug in drugs: # print(type(drug)) sql = "select * FROM PRESCRIPTIONS where drug like '%"+ drug + "%' or drug_name_poe like '%"+ drug + "%' or drug_name_generic like '%"+ drug + "%'" print(sql) conn = connect(host='127.0.0.1', port=3306, user='root', passwd='root', db='mimiciii') cursor = conn.cursor() cursor.execute(sql) data_tmp = cursor.fetchall() # print(data_tmp is None) if len(data_tmp) != 0: for data_cur in data_tmp: print(data_cur[1], data_cur[2], data_cur[3], data_cur[7], data_cur[8], data_cur[9]) drug_test.writerow(list(data_cur)) # import pdb;pdb.set_trace() for drug in drugs: # print(type(drug)) sql = "select * FROM D_ITEMS where label like '%{}%'" .format(drug) print(sql) conn1 = connect(host='127.0.0.1', port=3306, user='root', passwd='root', db='mimiciii') cursor1 = conn1.cursor() cursor1.execute(sql) data_tmp = cursor1.fetchall() if len(data_tmp) != 0: for data_cur in data_tmp: print(data_cur[1], data_cur[2]) item_test.writerow(list(data_cur)) # import pdb;pdb.set_trace() for drug in drugs: # print(type(drug)) sql = "select * FROM D_LABITEMS where label like '%{}%'" .format(drug) print(sql) conn1 = connect(host='127.0.0.1', port=3306, user='root', passwd='root', db='mimiciii') cursor1 = conn1.cursor() cursor1.execute(sql) data_tmp = cursor1.fetchall() if len(data_tmp) != 0: for data_cur in data_tmp: print(data_cur[1], data_cur[2]) labitem_test.writerow(list(data_cur)) # import pdb;pdb.set_trace() # %% import pandas as pd drug = pd.read_csv('drug_patients_sedative.csv') print(drug.DRUG.unique()) # %% print(drug.DRUG_NAME_POE.unique()) # %% print(drug.DRUG_NAME_GENERIC.unique()) # %%

这段代码是Python语言的导入模块语句，它导入了csv、os、numpy、pandas和pymysql等模块，并从pymysql模块中导入connect函数。这些模块提供了各种功能，如读写CSV文件、操作操作系统、进行数值计算、处理数据和连接...

解释以下这段代码：import tensorflow as tf gpus =tf.config.experimental.list_physical_devices(device_type='GPU') tf.config.experimental.set_virtual_device_configuration(gpus[0],[tf.config.experimental.VirtualDeviceConfiguration(memory_limit=4096)]) #import scipy.io as sio import pickle import os,random import matplotlib.pyplot as plt #import scipy.stats from tensorflow import losses from tensorflow.keras import Model from tensorflow.keras import layers import matplotlib.pyplot as plt import tensorflow as tf import numpy as np #import scipy.io as sio #import scipy.stats import math import os import pdb from tensorflow import losses from model import ResNet18 from re_dataset_real import train_image1,train_label1,test_image1,test_label1,val_image1,val_label1 from re_dataset_imag import train_image2,train_label2,test_image2,test_label2,val_image2,val_label2 def phsical_loss(y_true, y_pred): y_true =tf.cast(y_true, y_pred.dtype) loss_real=tf.keras.losses.MSE(y_true[0],y_pred[0]) loss_img= tf.keras.losses.MSE(y_true[1],y_pred[1]) amp_ture=tf.pow(y_true[0],2)+tf.pow(y_true[1],2) amp_pred=tf.pow(y_pred[0],2)+tf.pow(y_pred[1],2) loss_amp=tf.keras.losses.MSE(amp_ture,amp_pred) return loss_real+loss_img+loss_amp#两个子模型各加一个完整约束 def angle_loss(y_true, y_pred): y_true = tf.cast(y_true, y_pred.dtype) img_ture=tf.atan2(y_true[1],y_true[0]) img_pred=tf.atan2(y_pred[1],y_pred[0]) return tf.keras.losses.MAE(img_ture,img_pred) def amp_loss(y_true, y_pred): y_true = tf.cast(y_true, y_pred.dtype) amp_ture=tf.pow(y_true[0],2)+tf.pow(y_true[1],2) amp_pred=tf.pow(y_pred[0],2)+tf.pow(y_pred[1],2) loss_phsical=tf.keras.losses.MSE(amp_ture,amp_pred) return loss_phsical model_in=tf.keras.Input((16,16,1)) model_real_out=ResNet18([2,2,2,2])(model_in) model_img_out=ResNet18([2,2,2,2])(model_in) model_all=tf.keras.Model(model_in,[model_real_out,model_img_out]) model_all.compile(loss=phsical_loss, optimizer=tf.keras.optimizers.Adam(tf.keras.optimizers.schedules.InverseTimeDecay( 0.001, decay_steps=250*25, decay_rate=1, staircase=False)), metrics=['mse']) checkpoint_save_path= "C:\\Users\\Root\\Desktop\\bysj\\model_all.ckpt" if os.path.exists(checkpoint_save_path + '.index'): print('------------------load model all---------------------') model_all.load_weights(checkpoint_save_path) cp_callback = tf.keras.callbacks.ModelCheckpoint(filepath=checkpoint_save_path, save_weights_only=True,save_best_only=True)

这段代码主要是实现了一个包含两个子模型的神经网络，其中每个子模型都是由 ResNet18 构成的。此外，还定义了三个损失函数 phsical_loss、angle_loss 和 amp_loss，分别用于计算物理约束、角度约束和幅度约束。...

myimage = cv.cvtColor(img, cv.COLOR_BGR2GRAY) ret, img1 = cv.threshold(myimage, 100, 255, cv.THRESH_BINARY_INV) # cv.namedWindow('img1',0) # cv.resizeWindow('img1',600,600) # cv.imshow('img1',img1) # print(type(img1)) # print(img1.shape) # print(img1.size) # cv.waitKey(2) kernel1 = np.ones((10, 10), np.uint8) # 做一次膨胀 img2 = cv.dilate(img1, kernel1) # cv.namedWindow('img2', 0) # cv.resizeWindow('img2', 600, 600) # cv.imshow('img2', img2) contours, hierarchy = cv.findContours(img2, cv.RETR_EXTERNAL, cv.CHAIN_APPROX_NONE) # print(len(contours),hierarchy) for i in range(len(contours)): area = cv.contourArea(contours[i]) if area < 150: # '设定连通域最小阈值，小于该值被清理' cv.drawContours(img2, [contours[i]], 0, 0, -1) # import pdb;pdb.set_trace() # cv.imwrite('yuchuli.jpg', img2) ###########预处理 # import pdb;pdb.set_trace() not_row = img2[[not np.all(img2[i] == 0) for i in range(img2.shape[0])], :] bot_col = not_row[:, [not np.all(not_row[:, i] == 0) for i in range(not_row.shape[1])]] # import pdb;pdb.set_trace() # print(bot_col.shape) if bot_col.shape[0] > bot_col.shape[1]: if bot_col.shape[1] % 2 == 0: img_new = np.concatenate((np.zeros([bot_col.shape[0], int((bot_col.shape[0] - bot_col.shape[1]) / 2)]), bot_col, np.zeros([bot_col.shape[0], int((bot_col.shape[0] - bot_col.shape[1]) / 2)])), 1) if bot_col.shape[1] % 2 == 1: img_new = np.concatenate((np.zeros( [bot_col.shape[0], int((bot_col.shape[0] - bot_col.shape[1] - 1) / 2)]), bot_col, np.zeros( [bot_col.shape[0], int((bot_col.shape[0] - bot_col.shape[1] + 1) / 2)])), 1) cv.imwrite('fenge.jpg', img_new) ###########分割 file_path = 'fenge.jpg' return file_path这个具体以何种方法进行分割的

not_row = img2[[not np.all(img2[i] == 0) for i in range(img2.shape[0])], :] bot_col = not_row[:, [not np.all(not_row[:, i] == 0) for i in range(not_row.shape[1])]] if bot_col.shape[0] > bot_col.shape...

import lightgbm as lgb from lightgbm import LGBMClassifier from sklearn.metrics import accuracy_score from sklearn.model_selection import cross_val_score from sklearn.model_selection import GridSearchCV # 定义xgboost模型 lgb_model = lgb.LGBMClassifier() # 设置参数空间 params = { 'boosting_type': 'gbdt', #'boosting_type': 'dart', 'objective': 'multiclass', 'metric': 'multi_logloss', 'min_child_weight': 1.5, 'num_leaves': 25, 'lambda_l2': 10, 'subsample': 0.7, 'colsample_bytree': 0.7, 'learning_rate': 0.03, 'seed': 2017, "num_class": 2, 'silent': True, } # 输出最优参数 print('Best Parameter:', params) # 使用最优参数构建新的xgboost模型 lgb_model = lgb.LGBMClassifier(params) # 使用训练集对新模型进行拟合 # X_train = np.array(X_train) # pdb.set_trace() lgb_model.fit(X_train, y_train) # 使用新模型进行预测 y_pred = lgb_model.predict(X_test)改为svm模型

from sklearn.svm import SVC from sklearn.metrics import accuracy_score from sklearn.model_selection import cross_val_score from sklearn.model_selection import GridSearchCV # 定义svm模型 svm_model = ...

pdb.set_trace()如何进入函数

在使用pdb.set_trace()调试程序时，如果要进入函数进行调试，可以使用s命令（step）来进入函数内部，该命令会执行函数内的第一条语句，并在函数内部停止等待进一步的调试。例如，给定如下代码： python ...

pdb.set_trace()的使用方法

pdb.set_trace()是Python自带的一个用于调试程序的工具，它可以在代码中设置一个断点，使程序执行到该断点处时暂停，让开发者可以对程序进行逐行调试。使用方法： 1. 在需要设置断点的地方，加入import pdb;...

import torch, os, cv2 from model.model import parsingNet from utils.common import merge_config from utils.dist_utils import dist_print import torch import scipy.special, tqdm import numpy as np import torchvision.transforms as transforms from data.dataset import LaneTestDataset from data.constant import culane_row_anchor, tusimple_row_anchor if name == "main": torch.backends.cudnn.benchmark = True args, cfg = merge_config() dist_print('start testing...') assert cfg.backbone in ['18','34','50','101','152','50next','101next','50wide','101wide'] if cfg.dataset == 'CULane': cls_num_per_lane = 18 elif cfg.dataset == 'Tusimple': cls_num_per_lane = 56 else: raise NotImplementedError net = parsingNet(pretrained = False, backbone=cfg.backbone,cls_dim = (cfg.griding_num+1,cls_num_per_lane,4), use_aux=False).cuda() # we dont need auxiliary segmentation in testing state_dict = torch.load(cfg.test_model, map_location='cpu')['model'] compatible_state_dict = {} for k, v in state_dict.items(): if 'module.' in k: compatible_state_dict[k[7:]] = v else: compatible_state_dict[k] = v net.load_state_dict(compatible_state_dict, strict=False) net.eval() img_transforms = transforms.Compose([ transforms.Resize((288, 800)), transforms.ToTensor(), transforms.Normalize((0.485, 0.456, 0.406), (0.229, 0.224, 0.225)), ]) if cfg.dataset == 'CULane': splits = ['test0_normal.txt', 'test1_crowd.txt', 'test2_hlight.txt', 'test3_shadow.txt', 'test4_noline.txt', 'test5_arrow.txt', 'test6_curve.txt', 'test7_cross.txt', 'test8_night.txt'] datasets = [LaneTestDataset(cfg.data_root,os.path.join(cfg.data_root, 'list/test_split/'+split),img_transform = img_transforms) for split in splits] img_w, img_h = 1640, 590 row_anchor = culane_row_anchor elif cfg.dataset == 'Tusimple': splits = ['test.txt'] datasets = [LaneTestDataset(cfg.data_root,os.path.join(cfg.data_root, split),img_transform = img_transforms) for split in splits] img_w, img_h = 1280, 720 row_anchor = tusimple_row_anchor else: raise NotImplementedError for split, dataset in zip(splits, datasets): loader = torch.utils.data.DataLoader(dataset, batch_size=1, shuffle = False, num_workers=1) fourcc = cv2.VideoWriter_fourcc('MJPG') print(split[:-3]+'avi') vout = cv2.VideoWriter(split[:-3]+'avi', fourcc , 30.0, (img_w, img_h)) for i, data in enumerate(tqdm.tqdm(loader)): imgs, names = data imgs = imgs.cuda() with torch.no_grad(): out = net(imgs) col_sample = np.linspace(0, 800 - 1, cfg.griding_num) col_sample_w = col_sample[1] - col_sample[0] out_j = out[0].data.cpu().numpy() out_j = out_j[:, ::-1, :] prob = scipy.special.softmax(out_j[:-1, :, :], axis=0) idx = np.arange(cfg.griding_num) + 1 idx = idx.reshape(-1, 1, 1) loc = np.sum(prob idx, axis=0) out_j = np.argmax(out_j, axis=0) loc[out_j == cfg.griding_num] = 0 out_j = loc # import pdb; pdb.set_trace() vis = cv2.imread(os.path.join(cfg.data_root,names[0])) for i in range(out_j.shape[1]): if np.sum(out_j[:, i] != 0) > 2: for k in range(out_j.shape[0]): if out_j[k, i] > 0: ppp = (int(out_j[k, i] * col_sample_w * img_w / 800) - 1, int(img_h * (row_anchor[cls_num_per_lane-1-k]/288)) - 1 ) cv2.circle(vis,ppp,5,(0,255,0),-1) vout.write(vis) vout.release()

这是一个使用PyTorch框架测试模型的代码，代码中导入了许多必要的库以及自定义的模型和数据集等。通过调用PyTorch的后端，启用一些加速技术，然后解析配置参数，并根据数据集类型设置类别数。创建一个模型实例，传入...

解释一下这段代码import pdb import tensorflow as tf from matplotlib import pyplot as plt import numpy as np import os from tensorflow.keras import Model from tensorflow.keras.layers import Conv2D,BatchNormalization,Activation,MaxPool2D,Dense,Dropout,Flatten,GlobalAveragePooling2D np.set_printoptions(threshold=np.inf) class ResnetBlock(Model): def init(self, filters, strides=1,residual_path=False): super(ResnetBlock, self).init() self.filters = filters self.strides = strides self.residual_path = residual_path self.c1 = Conv2D(filters, (3, 3), strides=strides, padding='same', use_bias=False) self.b1 = BatchNormalization() self.a1 = Activation('relu') self.c2 = Conv2D(filters, (3, 3), strides=1, padding='same', use_bias=False) self.b2 = BatchNormalization() if residual_path: self.down_c1 = Conv2D(filters, (1, 1),strides=strides, padding='same', use_bias=False) self.down_b1 = BatchNormalization() self.a2 = Activation('relu') def call(self, inputs): residual = inputs x = self.c1(inputs) x = self.b1(x) x = self.a1(x) x = self.c2(x) y = self.b2(x) if self.residual_path: residual = self.down_c1(inputs) residual = self.down_b1(residual) out = self.a2(y + residual) return out class ResNet18(Model): def init(self, block_list, initial_filters=64): super(ResNet18, self).init() self.num_blocks = len(block_list) self.block_list = block_list self.out_filters = initial_filters self.c1 = Conv2D(self.out_filters, (3, 3), strides=1, padding='same', use_bias=False, kernel_initializer='he_normal') self.b1 = BatchNormalization() self.a1 = Activation('relu') self.blocks = tf.keras.models.Sequential() for block_id in range(len(block_list)): for layer_id in range(block_list[block_id]): if block_id != 0 and layer_id == 0: block = ResnetBlock(self.out_filters, strides=2, residual_path=True) else: block = ResnetBlock(self.out_filters, residual_path=False) self.blocks.add(block) self.out_filters *= 2 self.p1 = tf.keras.layers.GlobalAveragePooling2D() self.f1 = tf.keras.layers.Dense(41, activation='tanh') def call(self, inputs): x = self.c1(inputs) x = self.b1(x) x = self.a1(x) x = self.blocks(x) x = self.p1(x) y = self.f1(x) return y

在每个ResnetBlock中，如果需要进行降采样，则会在第一个卷积层中设置strides=2，否则为1。最后，经过全局平均池化层和全连接层，输出最终的预测结果。在调用模型时，首先将输入图片经过初始的卷积层、Batch...

def pre_img(image): myimage = image.convert('L') # 转换成灰度图 myimage = np.array(myimage) # print(myimage.shape) ret, img1 = cv.threshold(myimage, 100, 255, cv.THRESH_BINARY_INV) # cv.namedWindow('img1',0) # cv.resizeWindow('img1',600,600) # cv.imshow('img1',img1) # print(type(img1)) # print(img1.shape) # print(img1.size) # cv.waitKey(2) kernel1 = np.ones((10, 10), np.uint8) # 做一次膨胀 img2 = cv.dilate(img1, kernel1) # cv.namedWindow('img2', 0) # cv.resizeWindow('img2', 600, 600) # cv.imshow('img2', img2) '剔除小连通域' contours, hierarchy = cv.findContours(img2, cv.RETR_EXTERNAL, cv.CHAIN_APPROX_NONE) # print(len(contours),hierarchy) for i in range(len(contours)): area = cv.contourArea(contours[i]) if area < 150: # '设定连通域最小阈值，小于该值被清理' cv.drawContours(img2, [contours[i]], 0, 0, -1) # cv2.imwrite('img2.jpg', img2) # import pdb;pdb.set_trace() img5 = cv.resize(img2, (28, 28)) # cv.namedWindow('img5', 0) # cv.resizeWindow('img5', 600, 600) # cv.imshow('img5', img5) # cv2.imwrite('img5.jpg', img5) # import pdb;pdb.set_trace() return img5 img_pre = pre_img(img) # # cv.imshow('img_pre', img_pre) # 将数据类型由uint8转为float32 img = img_pre.astype(np.float32) # 图片数据归一化 img = img / 255 改成单个代码可以运行

import numpy as np def pre_img(image): myimage = image.convert('L') # 转换成灰度图 myimage = np.array(myimage) ret, img1 = cv.threshold(myimage, 100, 255, cv.THRESH_BINARY_INV) kernel1 = np.ones...

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