Alexandre dos Santos

In the output file of training results of YOLO v3 in *txt, the model is training based in truth files and detection-results files, then I have all the information for...

Convert `sql` query from BigQuery to `fst` format

1

Hi Everyone!! I'd like to convert a `sql` query from BigQuery to `fst` format for more speed in the creation of the plots in Shiny. But when I try to...

Problem for extract mean values between same coordinates in different csr

1

I have a data set extracted from S2 satellite rasters (10 x 10 meters) with 12 values (`ras.df.ll`), but 6 is in a tile (`T21JYG`) and the same 6 coordinates...

Distortion in projected raster create with ggplot2 combining with sf

3

Hi Everyone, I'd like to create a raster (`myGeotif`) with the `ggplot2` output create using `sf`, but the output is a distortion in the projected raster, like in the output...

ggrastr doesn't work for list of objects in a map

1

Hi Everyone, I'd like to rasterize a list of map elements but doesn't work and the error is always `Erro: $ operator is invalid for atomic vectors`. In my example:...

[image.darknet] output error: file.exists(model) is not TRUE

10

I've like to use the `image_darknet_model()` with my custom YOLOv3 model. For this, first I put my `obj_100.weights` file that represents the weights of my custom model create using `darknet53.conv.74`...

Object recognition: apply *h5 cnn model to find an specific handwritten digit

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I don't find any material about object detection using *h5 cnn adjusted model. I try to create a simple example because I don't find in any book/web, I've like to...

Geo capacities of Shiny Mobile

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Hi Everyone, I'd like to know if is possible with Shiny Mobile the access of mobile geography coordinates (GPS hardware unit) and extract this information? My final goal is in...

I'd like to get "B2","B3","B4","B8","NDVI","SAVI" and "TVI" average data from COPERNICUS/S2_SR collection by date/tile. I like to extract these bands and vegetation indices mean inside my ROI and I create...

I'd like to extract GEDI data from GEE, for this I try: ``` # 1. Load rgee library("rgee") ee_Initialize(drive=TRUE) # Packages library(tidyverse) library(rgee) library(sf) ee_Initialize(drive=TRUE) # Define a Region of...