python 绘制 Caffe 的trainloss testloss testaccuracy 曲线
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############################################################"""在终端中输入python C:\MYCaffe\caffe-master\tools\extra\parse_log.py D:\CaffeInfo\D_TrainVal\train_outputbak.log D:\CaffeInfo\D_TrainVal得到train_outputbak.log.testtrain_outputbak.log.train"""############################################################
#!/usr/bin/python# -*- coding: UTF-8 -*-import numpy as npimport matplotlib.pyplot as plt #from urlgrabber.grabber import _file_object_testfrom cProfile import label############################################################"""在终端中输入python C:\MYCaffe\caffe-master\tools\extra\parse_log.py D:\CaffeInfo\D_TrainVal\train_outputbak.log D:\CaffeInfo\D_TrainVal得到train_outputbak.log.testtrain_outputbak.log.train"""############################################################def size_text_file (file_object): str_file_object = str(file_object) s1 = "open file '/" s2 = "', mode" a=0 b=0 i=0 for ch in str_file_object: if str_file_object[i : i+len(s1) - 1] == s1[0:-1] : a = i+len(s1) - 1 elif str_file_object[i : i+len(s2) - 1] == s2[0:-1] : b=i i = i + 1 #close the object file_object.close() print("path2text_file/name2text_file: " + str_file_object[a:b] + "\n") #open the object file_object = open(str_file_object[a:b]) count_rows = 0 count_cols = 0 line = file_object.readline() for ch in line: if ch == ',' or ch == '\r' : count_cols = count_cols+1 while line: line = file_object.readline() count_rows = count_rows + 1 #close the object file_object.close() return [ count_rows, count_cols ] ############################################################def data_text_file(file_object): str_file_object = str(file_object) s1 = "open file '/" s2 = "', mode" a=0 b=0 i=0 for ch in str_file_object: if str_file_object[i : i+len(s1) - 1] == s1[0:-1] : a = i+len(s1) - 1 elif str_file_object[i : i+len(s2) - 1] == s2[0:-1] : b=i i = i + 1 [ count_rows, count_cols ] = size_text_file (file_object) file_object.close() print("path2text_file/name2text_file: " + str_file_object[a:b] + "\n") file_object = open(str_file_object[a:b]) line = file_object.readline() k=0 p=-1 i=0 j=0 data = np.zeros( ( count_rows - 1, count_cols ) ) while line: line = file_object.readline() for ch in line: if ch == ',' or ch == '\r' : data[i][j] =float ( line[p+1:k] ) p=k j=j+1 k=k+1 i=i+1 k=0 p=-1 j=0 file_object.close() return data########################################################################################################################file_train_log = open("D:\CaffeInfo\\D_TrainVal\\train_outputbak.log.train") file_train_log_data = data_text_file( file_train_log )print(file_train_log_data)############################################################file_test_log = open( "D:\\CaffeInfo\\D_TrainVal\\train_outputbak.log.test" )file_test_log_data = data_text_file( file_test_log )############################################################print '\nplot the train loss and test accuracy\n' _,ax1 = plt.subplots() ax2 = ax1.twinx() ax1.plot(file_train_log_data[0:, 0], file_train_log_data[0:, 3], 'k', label = 'train loss')ax1.plot(file_test_log_data[0:, 0], file_test_log_data[0:, 4], 'g', label = 'test loss') ax2.plot(file_test_log_data[0:, 0], file_test_log_data[0:, 3], 'r', label = 'test accuracy') ax1.set_xlabel('iteration') ax1.set_ylabel('loss') ax2.set_ylabel('accuracy') handles1, labels1 = ax1.get_legend_handles_labels()handles2, labels2 = ax2.get_legend_handles_labels()ax1.legend(handles1[::-1], labels1[::-1], bbox_to_anchor=(0.74,0.11)) #left right, up downax2.legend(handles2[::-1], labels2[::-1], bbox_to_anchor=(0.6,0.8))plt.show()
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