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Find 3D position of a point from images

5

I am trying to find the 3D position of my gaze data captured by an eye tracker. To find the camera position, I converted scene camera frames into images and...

mrsaeedpour

How can I get camera pose only from images.txt using colmap?

2

Hi, I'm using ubuntu 18.04 and using colmap for NeRF research. when I get some images.txt that contain camera poses and feature point coordinates, there is a lot of point...

jhq1234

Model merger does not do a good job with pose based merger alone.

1

model-merger currently uses poses of two recons ONLY. I have witnessed large errors after aligning the two recons with model-merger. It will be nice to have an image re-projection based...

h12sawhney

Colmap on linux without display and with GPU

18

Hello everyone, I am new to colmap. I installed it using "conda install -c conda-forge colmap". When the installation is done, I tried to run colmap automatic reconstructor. But it...

pratibhashinde

Missing variable is:CMAKE_CUDA_DEVICE_LINK_EXECUTABLE

2

**Describe the bug** I follow“ https://colmap.github.io/install.html ”Instructions to install colmap . However, an error occurred when I executed "cmake .." like this image:  The bug situation is shown in...

Luh1124

when I expore sparse reconstruction model as txt , in the images.txt data ，I find usually the same 2D point corresponds to two different 3D points

2

how can i make one 2d points only corresponds to one 3D points ``` images.txt (X, Y, POINT3D_ID) 2737.91 2404.26 140773 2737.91 2404.26 91979 ``` ``` points3D.txt 140773 1.7249059082264797 0.76036565303393977...

TalonX1

Add to IncrementalMapper reusage of Ceres internal context

3

Avoid costs for Ceres internal threadpool initialization at each bundle adjustment instance solve, by reusing Ceres internal context.

S-o-T

1 error in the compilation of "/tmp/tmpxft_0001d7df_00000000-5_gpu_mat_ref_image.cpp4.ii".

14

Hi，I added the command `set(CUDA_NVCC_FLAGS "${CUDA_NVCC_FLAGS} -std=c++11")` in the 197 row of main CmakeList file as intrduced [here](https://github.com/OpenKinect/libfreenect2/issues/818#issuecomment-289513363) becase I met some errors about c++11 features. But still got errors...

Ironbrotherstyle

Point triangulator error: Check failed: existing_image.Name() == image.second.Name()

3

**Describe the bug** Check fails when attempting point triangulation. I am attempting to reconstruct a sparse/dense model from known camera poses [as outlined here](https://colmap.github.io/faq.html#reconstruct-sparse-dense-model-from-known-camera-poses). **To Reproduce** I produced an `images.txt`...

KhaledSharif

**Describe the bug** Crash on startup. **To Reproduce** Steps to reproduce the behavior: 1. Go to Colmap.app 2. Open (if you double click macOS whines about malware) 3. Immediate crash...

lloydsargent