とらりもん - GoPro street view photos Diff

!Correct timestamp
$ exiftool -alldates+="0:0:0 0:0:2" *JPG
$ rm *JPG_original

!rename with time stamp
for i in *.JPG; do
head=`jhead $i | grep Date/Time | sed 's/:/ /g' | awk '{print $2"_"$3$4"_"$5$6}'`
o=`echo ${head}_${i} | sed 's/__/_/g'`
mv $i ${o%JPG}jpg
done

!Delete images taken at the same position (such as waiting for the red traffic signal)

$ cat /home/nishida/bin/digicam_stay_GPS.py
#!/usr/bin/env python3
# Pick up digicam images staying a same position by using GPS
# use:     $ digicam_saty_GPS.py
# note: This is Python 2 script. It cannot work in Python 3 (because of lack of pyexiv2).
# (for i in GSAF????.JPG; do convert -fill '#333333' -draw 'rectangle 0,1900 5760,2880' $i p/${i%.JPG}p.JPG; done) &
import sys
import os
import pyexiv2
import glob
import shutil
import numpy as np
dist_stay = 1.0
deg2meter = 110000.0
if len(sys.argv)==2:
   dist_stay=float(sys.argv[1])

filelist=glob.glob("*.jpg")+glob.glob("*.JPG")
filelist.sort()

destdirname="stay"
os.makedirs(destdirname, exist_ok=True)
x0, y0 = 0.0, 0.0
print("stay distance = ", dist_stay, "m", "... less than this implies the camera was at stay.")
for file in filelist:
  # get Exif metadata from a file
  meta=pyexiv2.Image(file).read_exif()

  # check whether GPS data exists
  if not 'Exif.GPSInfo.GPSLongitude' in meta:
    print("Error ... GPS info not included in "+file+" -> move to the directory "+destdirname)
    shutil.move(file, destdirname+"/"+file)
    continue

  d,m,s=[eval(x) for x in meta['Exif.GPSInfo.GPSLongitude'].split(' ')]
  x = d + (m+s/60.0)/60.0
  d,m,s=[eval(x) for x in meta['Exif.GPSInfo.GPSLatitude'].split(' ')]
  y = d + (m+s/60.0)/60.0
  dist = np.sqrt(((x-x0)*np.cos(x*np.pi/180))**2 + (y-y0)**2)*deg2meter
  if dist < dist_stay:
     print(file, '{:.4g}'.format(dist), "m", " ... stay! -> move to the directory "+destdirname)
     shutil.move(file, destdirname+"/"+file)
  elif x == 0 and y==0:
     print(file, " ... strange GPS! -> move to the directory "+destdirname)
     shutil.move(file, destdirname+"/"+file)
  else:
     print(file, '{:.4g}'.format(dist), "m")
  x0, y0 = x, y

! Rewrite file timestamp with GPS time
#!/usr/bin/env python3
# rewrite timestamp with GPS time
# use:     $ digicam_rewrite_time_by_GPS.py
import sys
import os
import pyexiv2
import glob
import shutil
import datetime
import numpy as np

filelist=glob.glob("*.jpg")+glob.glob("*.JPG")
filelist.sort()

destdirname="./"
garbagedirname="no_timestamp/"
os.makedirs(destdirname+garbagedirname, exist_ok=True)
for file in filelist:
    # get Exif metadata from a file
    # meta=pyexiv2.Image(file).read_exif()
    img=pyexiv2.Image(file)
    meta=img.read_exif()
    if not 'Exif.GPSInfo.GPSDateStamp' in meta:
        print("Error ... GPS info not included in "+file+" -> move to the directory "+destdirname+garbagedirname)
        shutil.move(file, destdirname+garbagedirname+file)
        continue
    date=meta['Exif.GPSInfo.GPSDateStamp']
    h, m, s = meta['Exif.GPSInfo.GPSTimeStamp'].replace('/', ' ').split(' ')[0:5:2]
    time=h.zfill(2)+":"+m.zfill(2)+":"+s.zfill(2)
    newdatetime=datetime.datetime.strptime(date+" "+time, '%Y:%m:%d %H:%M:%S')+datetime.timedelta(hours=9)
    newdatetime_str=newdatetime.strftime('%Y:%m:%d %H:%M:%S')
    print(meta['Exif.Photo.DateTimeOriginal'] + " --> " + newdatetime_str)
    meta['Exif.Photo.DateTimeOriginal'] = newdatetime_str
    meta['Exif.Image.DateTime'] = newdatetime_str
    img.modify_exif(meta)
    img.close()




! Mask out the useless part (like rooftop at the camera foot) in the images
$ for k in *JPG; do convert -fill '#333333' -draw 'rectangle 0,2300 5760,2880' $k tmp/$k; done

$ for k in *JPG; do
convert -fill '#333333' -draw 'rectangle 0,2400 5760,2880' -draw 'rectangle 0,2200 1400,2400' -draw 'rectangle 4200,2200 5760,2400' $k tmp/$k
done

! Upload to Mapillary
$ pip3 install mapillary_tools

$ mapillary_tools process_and_upload --import_path "./" --user_name "xxxxxxxx"