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annotate scripts/manual-video-analysis.py @ 1242:4cd8ace3552f

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major update for classification, allowing the use of neural network classification
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Wed, 07 Feb 2024 11:43:03 -0500
parents 5654c9173548
children
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rev   line source
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1 #! /usr/bin/env python3
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2
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3 import sys, argparse, cv2, numpy as np
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4
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5 parser = argparse.ArgumentParser(description='''The program replays the video and allows to manually id vehicles and mark instants, eg when they cross given areas in the scene. Use this program in combination with a screen marker program (For example, Presentation Assistant) to draw multiple lines on the screen.''',
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6 epilog = '''The output should give you a .csv file with the same name as your video file with columns in this format:
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7 vehicle number, frame number
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8 You can easily spot mistakes in the csv file for a line with number, SKIP. If this happens, just delete the previous vehicle observation.''',
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9 formatter_class=argparse.RawDescriptionHelpFormatter)
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10 parser.add_argument('-i', dest = 'videoFilename', help = 'name of the video file', required = True)
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11 parser.add_argument('-o', dest = 'outputFilename', help = 'name of the output file (csv file)')
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12 parser.add_argument('-f', dest = 'firstFrameNum', help = 'number of first frame number to display', default = 0, type = int)
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13 parser.add_argument('-n', dest = 'nAttributes', help = 'number of attributes characterizing users', default = 0, type = int)
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14
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15 args = parser.parse_args()
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16
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17 print('''Commands:
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18 Press o when you make a mistake in input
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19 Press d to skip 100 frames
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20 Press s to skip 10 frames
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21 Press c to go back 100 frames
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22 Press x to go back 10 frames
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23 Press spacebar to go forward one frame
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24 Press l to skip to frame number
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25 Press s to finish inputting user characteristics (if any in pop up window)
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26 Press q to quit and end program''')
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27 # configuration of keys and user types (see moving)
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28 userTypeNames = ['unknown',
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29 'car',
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30 'pedestrian',
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31 'motorcycle',
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32 'cyclist',
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33 'bus',
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34 'truck',
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35 'automated']
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36 class UserConfiguration(object):
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37 def __init__(self, name, keyNew, keyAddInstant, nAttributes):
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38 self.name = name
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39 self.keyNew = ord(keyNew)
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40 self.keyAddInstant = ord(keyAddInstant)
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41 self.userNum = 0
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42 self.nAttributes = nAttributes
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43 self.resetAttributes()
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44
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45 def getHelpStr(self):
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46 return 'Press {} for new {}, {} for new instant for current {}'.format(chr(self.keyNew), self.name, chr(self.keyAddInstant), self.name)
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47
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48 def resetAttributes(self):
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49 self.userInstant = 0
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50 self.attributes = [-1]*self.nAttributes
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51
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52 def setAttribute(self, i, value):
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53 self.attributes[i%self.nAttributes] = value
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54
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55 def getAttributeStr(self):
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56 if self.nAttributes > 0:
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57 return ','.join([str(i) for i in self.attributes])+','
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58 else:
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59 return ''
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60
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61 def isKeyNew(self, k):
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62 return (k == self.keyNew)
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63
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64 def isKeyAddInstant(self, k):
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65 return (k == self.keyAddInstant)
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66
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67 def isKey(self, k):
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68 return self.isKeyNew(k) or self.isKeyAddInstant(k)
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69
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70 @staticmethod
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71 def getConfigurationWithKey(configurations, k):
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72 for c in configurations:
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73 if c.isKey(k):
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74 return c
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75 return None
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76
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77 userConfigurations = [UserConfiguration(userTypeNames[1],'u','i', args.nAttributes),
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78 UserConfiguration(userTypeNames[2],'j','k', args.nAttributes)]
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79
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80 print(' ')
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81 for c in userConfigurations:
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82 print(c.getHelpStr())
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83
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84 # start of program
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85 cap = cv2.VideoCapture(args.videoFilename)
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86 cap.set(cv2.CAP_PROP_POS_FRAMES, args.firstFrameNum)
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87 fps = cap.get(cv2.CAP_PROP_FPS)
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88 print('Video at {} frames/s'.format(fps))
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89 cv2.namedWindow('Video', cv2.WINDOW_NORMAL)
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90
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91 # output filename
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92 if args.outputFilename is None:
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93 i = args.videoFilename.rfind('.')
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94 if i>0:
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95 outputFilename = args.videoFilename[:i]+'.csv'
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96 else:
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97 outputFilename = args.videoFilename+'.csv'
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98 else:
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99 outputFilename = args.outputFilename
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100 vehNumber = 0
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101 lineNum = -1
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102 out = open(outputFilename, 'a')
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103
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104 while(cap.isOpened()):
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105 ret, frame = cap.read()
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106 frameNum = int(cap.get(cv2.CAP_PROP_POS_FRAMES))
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107 cv2.putText(frame, str(frameNum), (1,20), cv2.FONT_HERSHEY_PLAIN, 1, (255, 0,0))
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108 cv2.imshow('Video',frame)
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109
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110 key= cv2.waitKey(0)
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111
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112 if key == ord('q'):
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113 break
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114 else:
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115 config = UserConfiguration.getConfigurationWithKey(userConfigurations, key)
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116 if config is not None:
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117 if config.isKeyNew(key):
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118 config.userNum += 1
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119 config.resetAttributes()
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120 print('New {} {}'.format(config.name, config.userNum))
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121 if args.nAttributes > 0:
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122 key2 = ord('1')
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123 cv2.namedWindow('Input', cv2.WINDOW_NORMAL)
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124 attributeNum = 0
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125 while key2 != ord('s'):
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126 attrImg = 255*np.ones((20*args.nAttributes, 20, 3))
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127 for i in range(args.nAttributes):
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128 if i == (attributeNum%args.nAttributes):
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129 cv2.putText(attrImg, str(config.attributes[i]), (1,20*(i+1)), cv2.FONT_HERSHEY_PLAIN, 1, (0, 0, 255))
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130 else:
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131 cv2.putText(attrImg, str(config.attributes[i]), (1,20*(i+1)), cv2.FONT_HERSHEY_PLAIN, 1, (0, 255, 0))
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132 cv2.imshow('Input', attrImg)
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133 key2 = cv2.waitKey(0)
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134 if chr(key2).isdigit():
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135 config.setAttribute(attributeNum, chr(key2))
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136 attributeNum += 1
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137 cv2.destroyWindow('Input')
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138 elif config.isKeyAddInstant(key):
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139 config.userInstant += 1
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140 print('User {} no {} at line {}'.format(config.name, config.userNum, config.userInstant))
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141 out.write('{},{},{}{},{}\n'.format(config.userNum, config.name, config.getAttributeStr(), config.userInstant, frameNum))
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142 oldUserConfig = config
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143 if key == ord('o'):
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144 print('SKIPPED')
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145 out.write('{},{},SKIP\n'.format(oldUserConfig.userNum, oldUserConfig.name))
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146 elif key == ord('d'):
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147 cap.set(cv2.CAP_PROP_POS_FRAMES,frameNum+100)
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148 elif key == ord('s'):
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149 cap.set(cv2.CAP_PROP_POS_FRAMES,frameNum+10)
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150 elif key == ord('a'):
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151 cap.set(cv2.CAP_PROP_POS_FRAMES,frameNum+1)
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152 elif key == ord('x'):
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153 cap.set(cv2.CAP_PROP_POS_FRAMES,frameNum-10)
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154 elif key == ord('c'):
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155 cap.set(cv2.CAP_PROP_POS_FRAMES,frameNum-100)
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156 elif key == ord('l'):
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157 frameNum = int(input("Please enter the frame number you would like to skip to\n"))
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158 cap.set(cv2.CAP_PROP_POS_FRAMES,frameNum)
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159
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160 out.close()
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161 cap.release()
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162 cv2.destroyAllWindows()
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163
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164 #97a
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165 #115s
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166 #100d
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167 #102f
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168 #103g
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169 #104h
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170 #106j
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171 #107k
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172 #108l