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vince7lf / aerial_wildlife_detection

Tools for detecting wildlife in aerial images using active learning
MIT License
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script to inverse geotag jpg images (exiftool) to worldfile then convert to geotiff and then geojson #56

Open vince7lf opened 1 year ago

vince7lf commented 1 year ago

Use exiftoof

https://exiftool.org/geotag.html#Inverse

then use ogr2ogr (to be tested) to generate the geojson. maybe need to translate into shp

vince7lf commented 1 year ago

vince@vince-VirtualBox:~$ exiftool -fileOrder gpsdatetime -p ~/Downloads/AIDE+MELCC/gpx.fmt ~/Downloads/AIDE+MELCC/presence_AIDE > ~/Downloads/AIDE+MELCC/presence_AIDE/out.gpx

exiftool -fileOrder gpsdatetime -p ~/Downloads/AIDE+MELCC/gpx.fmt ~/Downloads/AIDE+MELCC/presence_AIDE/2019-Boucherville-13225474-13410695_tile.jpg > ~/Downloads/AIDE+MELCC/presence_AIDE/2019-Boucherville-13225474-13410695_tile.gpx

vince7lf commented 1 year ago 
<?xml version="1.0" encoding="utf-8"?>
<gpx version="1.0"
 creator="ExifTool 10.80"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xmlns="http://www.topografix.com/GPX/1/0"
 xsi:schemaLocation="http://www.topografix.com/GPX/1/0 http://www.topografix.com/GPX/1/0/gpx.xsd">
<trk>
<number>1</number>
<trkseg>
<trkpt lat="45.6261787050444" lon="-73.4666400120111">
  <ele>2.4</ele>
  <desc>2019-Boucherville-13225474-13410695_tile.jpg</desc>
</trkpt>
<trkpt lat="45.6261898240306" lon="-73.4666252808222">
  <ele>2.4</ele>
  <desc>2019-Boucherville-13225474-13411674_tile.jpg</desc>
</trkpt>
<trkpt lat="45.6261882428583" lon="-73.4666379797195">
  <ele>2.5</ele>
  <desc>2019-Boucherville-13225474-13411711_tile.jpg</desc>
</trkpt>
<trkpt lat="45.6262013600194" lon="-73.4666352371083">
  <ele>2.5</ele>
  <desc>2019-Boucherville-13225474-13411740_tile.jpg</desc>
</trkpt>
<trkpt lat="45.6262036046861" lon="-73.4666231179639">
  <ele>2.5</ele>
  <desc>2019-Boucherville-13225474-13411769_tile.jpg</desc>
</trkpt>
<trkpt lat="45.6262053361417" lon="-73.4666109777417">
  <ele>2.5</ele>
  <desc>2019-Boucherville-13225474-13411821_tile.jpg</desc>
</trkpt>
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  <ele>2.4</ele>
  <desc>2019-Boucherville-13226091-13427708_tile.jpg</desc>
</trkpt>
<trkpt lat="45.6265746976306" lon="-73.4667058846984">
  <ele>2.6</ele>
  <desc>2019-Boucherville-13226091-13427732_tile.jpg</desc>
</trkpt>
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  <ele>2.6</ele>
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</trkpt>
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  <ele>2.6</ele>
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</trkpt>
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  <ele>2.6</ele>
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</trkpt>
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  <ele>3.2</ele>
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</trkpt>
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  <ele>3.2</ele>
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</gpx>
vince7lf commented 1 year ago 
#------------------------------------------------------------------------------
# File:         gpx.fmt
#
# Description:  Example ExifTool print format file to generate a GPX track log
#
# Usage:        exiftool -p gpx.fmt -ee3 FILE [...] > out.gpx
#
# Requires:     ExifTool version 10.49 or later
#
# Revisions:    2010/02/05 - P. Harvey created
#               2018/01/04 - PH Added IF to be sure position exists
#               2018/01/06 - PH Use DateFmt function instead of -d option
#               2019/10/24 - PH Preserve sub-seconds in GPSDateTime value
#
# Notes:     1) Input file(s) must contain GPSLatitude and GPSLongitude.
#            2) The -ee3 option is to extract the full track from video files.
#            3) The -fileOrder option may be used to control the order of the
#               generated track points when processing multiple files.
#------------------------------------------------------------------------------
#[HEAD]<?xml version="1.0" encoding="utf-8"?>
#[HEAD]<gpx version="1.0"
#[HEAD] creator="ExifTool $ExifToolVersion"
#[HEAD] xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
#[HEAD] xmlns="http://www.topografix.com/GPX/1/0"
#[HEAD] xsi:schemaLocation="http://www.topografix.com/GPX/1/0 http://www.topografix.com/GPX/1/0/gpx.xsd">
#[HEAD]<trk>
#[HEAD]<number>1</number>
#[HEAD]<trkseg>
#[IF]  $gpslatitude $gpslongitude
#[BODY]<trkpt lat="$gpslatitude#" lon="$gpslongitude#">
#[BODY]  <ele>$gpsaltitude#</ele>
#[BODY]  <time>${gpsdatetime#;my ($ss)=/\.\d+/g;DateFmt("%Y-%m-%dT%H:%M:%SZ");s/Z/${ss}Z/ if $ss}</time>
#[BODY]  <desc>$filename</desc>
#[BODY]</trkpt>
#[TAIL]</trkseg>
#[TAIL]</trk>
#[TAIL]</gpx>
vince7lf commented 1 year ago

Refer to gpx xml schema documentation https://www.topografix.com/gpx.asp

vince7lf commented 1 year ago

refer to gdal gpx driver https://gdal.org/drivers/vector/gpx.html

vince7lf commented 1 year ago

Create a worldfile jgw/wld with the name than the jpeg file to geolocate the jpeg. The JPEG can then be converted/exported into a geotiff and then tiled.

The distances are not precise. 1e-8m has been measured with QGIS for a specific image with a square of 1m x 1m in the image at an altitude of 2.4.

Ref to https://en.wikipedia.org/wiki/World_file

0.00000001
0
0
-0.00000001
-73.4666400120111
45.6261787050444
vince7lf commented 1 year ago

script written to extract GPS info from JPEG and convert if to geoTiff with gdal_translate; tested script only, workd. Integrated to the project, not tested; need to support tiff images.