2,406 questions
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How to decode and parse JEOL microscope metadata embedded in TIFF tags (binary format)?
I'm working with microscope images captured using a JEOL system, and I'm trying to decode metadata stored in the TIFF tags. The data appears to be in a binary format and when extracted (using tifffile ...
3
votes
2
answers
99
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Few questions on a medical dataset
I am currently working on a medical dataset containing whole slide images (~300 images).
These images are pretty big (.tif, average of 7k by 7k pixels). I am currently dividing each of these images ...
1
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0
answers
80
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How to Compress TIF with JPEG compression?
I'm trying to accomplish the following:
Open a TIF image file (which contains an alpha channel and Geo Location data)
remove the Alpha channel
Save a compressed version of the TIF file using JPEG ...
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65
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Can't create a multilayer TIFF readable with PhotoShop with python libraries
I have tried different tutorials in order to create a single multilayer TIFF from individual files, but with none of them I managed to open the file correctly with Adobe PhotoShop. Below is an example ...
3
votes
1
answer
95
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Possible to save TIFF using CCITT (Group4) compression with OpenCV?
Is it possible to use OpenCV to save a TIFF using CCITT (Group 4) compression?
There appears to be a limitation (or missing code) allow these 1 bpp images to be saved.
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14
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MiRT TIF plot three DIMENSIONAL model
In R using the mirt package, how can I generate Test Information Function (TIF) plots for a 3-factor multidimensional polytomous IRT model, both for the whole test and for each subscale (factor)?
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73
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adding TIF file to maplibre gl
I want to add a tiff file that I downloaded from NASA's website to the map, but when I zoom in on the map, the elevations are not displayed correctly and it appear "spiky". The elevation ...
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1
answer
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APS Viewer Issues: Calibration Inconsistencies & Large File Upload Failures
We (ATOM) are working on a construction technology platform that integrates with Autodesk APS to process and visualize site data. As part of our workflow, we use the APS Viewer to display DWG files ...
3
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3
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182
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How to plot text only, without any margin, in a tiff file?
I want to build a tiff file with text only and no margins around the text, using R.
I tried :
library(ggplot2)
plt <- ggplot() +
geom_text(aes(x=0,y=0,label="test")) +
theme_void()
...
-1
votes
1
answer
41
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GeoTIFF No Data Value Inconsistency Issue
Why do some values in my .tif file appear to be no data values, yet aren't recognized as such, even though they match the no data value specified in the metadata?
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1
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77
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QGIS raster generation with defined grid
Is there a way in QGIS to define a grid and generate separate tiff files for every grid cell? Like in this matter:
Open XYZ Tiles -> OpenStreetMap.
Use a tool to define a grid over the interesting ...
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1
answer
120
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Convert PDF to TIFF using GhostScript + ImageMagick - 300 DPI, 8-Bit Depth
I am converting a PDF to a Tiff File using GhostScript and ImageMagick in a C# winform app, but I am not getting the correct settings in the result.
DPI is set to 300 with GhostScript, and 8-Bit Depth ...
1
vote
2
answers
66
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Averaging multiple rasters while considering NA pixels
I am using MODIS11A2 LST 8-day average raster .tif data to calculate daily average for the year. For year 2001, I have 44 files (2 files are missing). I want that a pixel should be excluded from the ...
1
vote
0
answers
125
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Applying LUT to Image with Python
I have a TIFF image of a sediment core and want to apply a LUT generated from software. I have a LUT file(*.cube) and need to apply it to the image(*.tif) using Python.
Does anyone have suggestions? ...
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66
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Segment-geospatial error in sam.predict: NoneType object is not subscriptable
I am using the library segment-geospatial to try and segment some plants in a raster image I have.
image = '/content/drive/MyDrive/myimage.tiff'
sam = SamGeo(
model_type="vit_h",
...