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Post-Doctoral Research Fellowship in Advanced Earth Observation (EO) for Earth Science
By Lurker,
Are you a post-doctoral researcher looking for an exciting opportunity in advanced Earth Observation (EO) for Earth Science? The ESA is offering a two-year research fellowship in the Directorate of Earth Observation Programmes. The fellowship will cover a wide range of innovative topics from the development and validation of novel methods, algorithms and EO products to innovative Earth system and climate research. The successful candidate will be responsible for undertaking advanced research add
How can i train a deep learning model to extract the building footprint
By Yasser,
I’am a Geomatics student and i want to train a deep learning model to extract the building footprint of a city, how can i do it ? It is easy to do for Geomatics or survey engineer ? Or this project need to IT background ?
thanks
QGIS shows different coordinates than Google Earth for the same location...
By hnaudr,
Hi friends !
In QGIS 3.32.2, I am using WGS 1984 EPSG 4326 for both Project and Basemap of Google Satellite Hybrid.
When I use Google Earth Pro on Desktop and locate my home, the coordinates are: 24.590580°, 73.719466°
BUT... when I navigate to my home location in Basemap of QGIS and capture coordinates with Lat-ong tool II get these values: 2825537.85691968, 8206411.02187792
Why is QGIS not showing coordinate values as Google Earth? How to convert latitude and longitude valu
IBM and NASA teamed up to build the GPT of Earth sciences
By Lurker,
The open-source model will serve as the basis for future forest, crop and climate change-monitoring AI.
NASA estimates that its Earth science missions will generate around a quarter million terabytes of data in 2024 alone. In order for climate scientists and the research community efficiently dig through these reams of raw satellite data, IBM, HuggingFace and NASA have collaborated to build an open-source geospatial foundation model that will serve as the basis for a new class
How to modify color of imported SVG icons in QGIS
By instrutorgis,
Hello friends!
I have plant symbols and would like to use them in QGIS. The problem is that these symbols don't allow you to edit the background colors.
https://drive.google.com/file/d/15n7TvSRx8Ha2Igm_rs13A8KVggsSghJs/view?usp=sharing
I followed jbrocha's solution posted on the GIS Stack Exchange forum:
https://gis.stackexchange.com/questions/45180/how-to-create-svg-symbols-that-have-modifiable-fill-color-stroke-color-and-stro
However, I would like to know if there is a more pr
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Hello folks! I am trying to use the Lyzenga Algorithm for estimating the depth of water in shallower areas, probably depths under 8-10 meters of lakes. First of all, how accurate is this algorithm in practice? Secondly, lets say i have the band values. can someone explain me how to retrieve those depths? I am following the "Lyzenga Algorithm for Shallow Water Mapping Using Multispectral Sentinel-2 Imageries in Gili Noko Waters" paper, but there are 3 steps of getting NDWIs, NDCIs and after filtering the Sun Glint Correction, then it finally comes to the depth calculating. it end ups in a formula of following: 𝑧 = 28.32 ∗ 𝑋1 − 36.25 ∗ 𝑋2 + 9.42 ∗ 𝑋3 + 16.35 x1 , x2, x3 are RGB values respectively. What do you guys think? can i just apply this formula ? if not, what is the purpose of all the previous steps, and will they change the rgb values anyways? -
Hello folks! I am trying to use the Lyzenga Algorithm for estimating the depth of water in shallower areas, probably depths under 8-10 meters of lakes. First of all, how accurate is this algorithm in practice? Secondly, lets say i have the band values. can someone explain me how to retrieve those depths? I am following the "Lyzenga Algorithm for Shallow Water Mapping Using Multispectral Sentinel-2 Imageries in Gili Noko Waters" paper, but there are 3 steps of getting NDWIs, NDCIs and after filtering the Sun Glint Correction, then it finally comes to the depth calculating. it end ups in a formula of following: 𝑧 = 28.32 ∗ 𝑋1 − 36.25 ∗ 𝑋2 + 9.42 ∗ 𝑋3 + 16.35 x1 , x2, x3 are RGB values respectively. What do you guys think? can i just apply this formula ? if not, what is the purpose of all the previous steps, and will they change the rgb values anyways?
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