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 JEY
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UID:pretalx-foss4g-2024-workshop-VAEJEY@talks.staging.osgeo.org
DTSTART;TZID=-03:20241202T160000
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DESCRIPTION:Introduction: \nThis workshop presents the importance of FOSS t
 ools such as WebODM and QGIS for drone image processing. We will cover the
  pre-processing of control point photographs in QGIS using the LFTools plu
 gin\, followed by the post-processing of photogrammetric products (orthoph
 otos\, elevation models\, and point clouds) generated by WebODM. Additiona
 lly\, some applications with the CloudCompare software will be discussed.\
 n\nQGIS and the LFTools Plugin: \nQGIS is an open-source Geographic Inform
 ation System (GIS) that enables the visualization\, editing\, and analysis
  of geospatial data. Known for its flexibility and robustness\, QGIS suppo
 rts a wide variety of raster and vector data formats and integrates with o
 ther GIS software. One of its main advantages is the ability to expand its
  functionalities through plugins.\nQGIS plugins\, developed by the global 
 community\, allow users to add new tools and features such as advanced geo
 processing\, field data collection\, spatial analysis\, image processing\,
  and 3D visualization. Notable examples include the LFTools plugin for dro
 ne photo processing and the GRASS plugin for advanced geospatial analysis.
  This extensibility makes QGIS a versatile and powerful tool for professio
 nals in various fields who need geospatial solutions.\n\nOpenDroneMap / We
 bODM: \nOpenDroneMap (ODM) is an open-source software for processing drone
  images. It transforms aerial photos into orthophotos\, digital terrain mo
 dels (DTM)\, digital surface models (DSM)\, and 3D point clouds. ODM is wi
 dely used in mapping and cartography applications\, offering an accessible
  and customizable alternative to proprietary software. The open-source com
 munity supporting ODM ensures continuous updates and the inclusion of new 
 features.\nWebODM is the web interface for OpenDroneMap\, designed to faci
 litate access and use of ODM through a browser. It provides a user-friendl
 y interface for uploading\, processing\, and viewing drone images. With We
 bODM\, users can manage mapping projects\, visualize results\, and perform
  analyses directly on the platform\, making the drone image processing wor
 kflow more accessible and efficient. The web interface allows for collabor
 ation and data sharing\, increasing productivity and accessibility of dron
 e image processing tools.\n\nCloudCompare: \nCloudCompare is an open-sourc
 e software specialized in the visualization and processing of 3D point clo
 uds. It allows users to visualize\, edit\, analyze\, and compare point clo
 uds and 3D mesh models\, performing tasks such as filtering\, segmentation
 \, data registration\, and volume and distance calculation. Initially deve
 loped for comparing high-density point clouds\, CloudCompare is widely use
 d in various fields\, including geography\, engineering\, and archaeology.
  Its active community ensures continuous improvements and support\, keepin
 g the software updated and relevant to user needs.\n\nWorkshop Content:\n1
 .	Brief Introduction to Drone Image Processing:\n	- Importance and appl
 ications in cartography.\n2.	Loading and Selecting Photos in QGIS by Locat
 ion:\n	- Techniques for image selection and organization.\n3.	Filtering
  by Date and Time with the "gpsdate" Function:\n	- Using metadata to fi
 lter images.\n4.	Separating Processing Blocks:\n	- Strategies for divid
 ing large datasets.\n5.	Photo Histogram Adjustment:\n	- Improving image
  quality for processing.\n6.	Processing in WebODM/OpenDroneMap:\n	- Ste
 ps to process drone images using WebODM.\n7.	Why Use Alpha Band?\n	- Ad
 vantages and disadvantages of using the alpha band in images.\n8.	Photomet
 ric and JPEG Compression:\n	- Compression techniques for efficient stor
 age and processing.\n9.	Efficiency of TIFF Pyramids with Compression:\n
 	- Benefits and techniques of using TIFF format with pyramids.\n10.	ECW vs
 . TIFF Comparison:\n	- Comparison between different image formats.\n11.
 	Generating Point Clouds with DSM and Orthophoto:\n	- Production and us
 e of point clouds and orthophotos.\n12.	Adding Value to Drone Mapping:\n
 	- Strategies to increase the utility and accuracy of drone mapping.\n\
 nRequirements: \nAs the workshop is only 2 hours long\, participants shoul
 d bring their notebooks with QGIS\, LFTools\, WebODM\, and CloudCompare in
 stalled.\n\nWho Should Attend This Workshop: \nThis workshop is intended f
 or professionals and students in the fields of geotechnology\, cartography
 \, geography\, engineering\, surveying\, architecture\, urban and environm
 ental planning\, among others. It is especially useful for those who use d
 rones for mapping and need to ensure the precision and quality of the coll
 ected data. Additionally\, it is ideal for anyone interested in learning h
 ow to use open-source tools for drone image processing\, such as QGIS\, LF
 Tools\, WebODM\, and CloudCompare\, and who seeks to enhance their skills 
 in geospatial data manipulation and analysis.
DTSTAMP:20260505T041135Z
LOCATION:Room Ilha de Marajó (E Block)
SUMMARY:LFTools Tricks for Drone Image Processing with WebODM and QGIS - Le
 andro França
URL:https://talks.staging.osgeo.org/foss4g-2024-workshop/talk/VAEJEY/
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