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Including Known 3D Points in Bundle Adjustment

4

Hi, I'm planning to use COLMAP's command line interface for bundle adjustment on some features I've extracted from April tags. I would like to know if it’s possible to incorporate...

luigicampanaro

I used my own dataset to reconstruct the sparse pc. I found that some backgrounds that were very far from the depth of the objects ( i was looking at)...

luocha0107

**Description:** I am encountering a Segmentation fault error while using the scantools.run_reference_rendering.py script from the lamar repository. The error seems to occur inconsistently at different points in the code, but...

botat21

Rig Bundle Adjustment Crashes with std::out_of_range Exception

3

**Describe the bug** The COLMAP mapper crashes during the Rig Bundle Adjustment phase with an "std::out_of_range" exception. This occurs when attempting to access an element in an unordered map using...

xiemeilong

Unconsistency on matches table between database manager and querying the database

1

**Description** I am trying to extract information based on images that get paired together. For a given image, I get slightly different image pairs if querying the database than in...

robertmoga

colmap CLI error

4

when I use the command, "colmap automatic_reconstructor --workspace ... --image_path ...",an error occured: " qt.qpa.xcb: could not connect to display qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in...

Joe-Pro

customize feature extraction

3

Hi, Is it possible to use other feature extraction instead of SIFTGPU? I found out most people import their features or descriptors to the database. I was wondering how to...

zhoux121

How to use colmap model_aligner? Please explain with example.

5

I'm running SFM reconstruction using COLMAP reconstruction pipeline, it is successful. Now I'm interested in scaling the model with real world measurements. My understanding is `colmap model _aligner` will do...

patelajaychh

**Describe the bug** I used targets in stead of SIFT so that I can use with my camera. they matched well , I can see the matches in database and...

lminghui12331

Why do multiple sub-files appear in sparse files (e.g. sparse/0, sparse/1)?

1

When I perform image rectification on the input images, only a few images remain in the "images" file, and two subfiles are generated in the "sparse" file. What is the...

myycount