Comments (4)
poynting
commented on May 23, 2024
I'm sorry but in the previous question where I processed the data for you
they were aligned as is shown in the notebook I sent. Maybe you can try
those warp matrices and see what results you get.
Aligning data on the ground like this has its own challenge, and isnt the
point of this tutorial, but I've already provided code and examples to help
with this case.
…On Fri, Apr 12, 2019, 07:37 andbrs ***@***.*** wrote:
I am testing the results of the multispectral image with combined bands in
matlab, and at the moment of testing this I can see that the bands R,G,B if
they are aligned (figure 2) on the other hand if we analyze the bands NIR
and RedEdge we can see that they are not alienated (figure 1) from each
other therefore, they have not been aligned (geometric correction).
In order to determine if they are aligned I use matlab with this command:
imshowpair(NIR,rededge,'blend');
-Any idea why this happens? or is it normal?
-Doesn't it affect the analysis of the vegetative index?
[image: Figura 1]
<https://user-images.githubusercontent.com/9252592/56044993-f64d6e00-5d05-11e9-80ac-8f29cc65b090.png>
[image: figura 2]
<https://user-images.githubusercontent.com/9252592/56045078-1da43b00-5d06-11e9-8553-6f067b31d2c6.png>
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andbrs
commented on May 23, 2024
these images are the results of the example notebook which sent me the image called "bgrne" which is the 5 bands combined, we used the matlab software to see each band separately and let you see which was not aligned comparing them with each other. I didn't really understand the last answer very well, I could explain. Or I could tell you what tutorial it refers to. thank you
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poynting
commented on May 23, 2024
This library is designed for images taken from drones, where the subject is very far away. It is not designed to work with images taken from only a meter away or less. However, I've already provided some customized support to help you with this specific question. In that response, I provided a notebook which shows that alignment is possible if you use a specific set of parameters and modify the library slightly.
I'm very sorry but I can't provide any more support on this subject. If you have some images taken from the air, pointing straight down, more than 20m away from the subject, this library may work much better for you.
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Klaudi01983
commented on May 23, 2024
not sure how you got the RGB bands aligned and not the redEdge and NIR. However, this paper might give you some ideas about how to perform image registration using matlab when using micasense camera images.
https://www.mdpi.com/2072-4292/13/3/396
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Related Issues (20)
- not compatible with Altum-PT? HOT 3
- Bug encountered with panel_albedo reporting different reflectance values HOT 2
- after running batch processing the images resulted are not aligned well HOT 1
- Many codes are uncompatible with RedEdge-p HOT 2
- Stuck at Solving Environment on Anaconda HOT 4
- Imageutils.map_points still uses deprecated np.float instead of np.float32 HOT 2
- Will there be support for the newer sensors RedEdge-P and Altum-PT? HOT 2
- Ask for the calculating of reflectance
- ValueError: Provided file path does not have a band name HOT 2
- Output stacks of "Batch Processing-10Band.ipynb" is not the reflectance
- Ask for updating the software version HOT 1
- Backward compatibility problem with the non-panchromatic cameras after applying the panchromatic camera support HOT 1
- Troubleshooting the output from the calibrations (sun sensor, radiometric) HOT 1
- Converting .ipynb to .py issue: display() HOT 2
- AttributeError: module 'exiftool' has no attribute 'ExifToolHelper' HOT 1
- error to access the micasense library from the anaconda environment HOT 1
- Error invalid requirement
- ERROR: Error [WinError 2] El sistema no puede encontrar el archivo especificado while executing command git version ERROR: Cannot find command 'git' - do you have 'git' installed and in your PATH?
- ERROR: Error [WinError 2] The system cannot find the specified file.
- Issues with Jupyter Notebook while following the tutorial
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