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AprilTag is a visual fiducial system popular for robotics research.

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Thanks for the wonderful repo! Is there a similar python wrapper for estimate_tag_pose as well? How would I go about writing one? If not, can I write a similar function...

Has there been any work done on implementing stereo calibration between two cameras for extracting intrinsic/extrinsic parameters using AprilTag 3? I was interested in using a board of AprilTags to...

Clearly visible tags will sometimes be detected, and sometimes not at all. Shining a flashlight on the tag seemed to help, so I added a ring light to my raspberry...

Hi All, I suggest to wait until all threads completed startup before returning in workerpool_create function, adding ``` pthread_mutex_lock(&wp->mutex); while (wp->end_count < wp->nthreads) { pthread_cond_wait(&wp->endcond, &wp->mutex); } pthread_mutex_unlock(&wp->mutex); ``` and...

I have had some trouble building Apriltag on an Anaconda environment in Ubuntu 18.04 Here is my solution and I hope it helps others: use the following commands to build...

**Describe the bug** Apriltag 3 has a lower detect rate than Apriltag 2. Tag family: tagCodes36h11 **To Reproduce** Steps to reproduce the behavior: parameters for apriltag3: ``` td->nthreads = 8;...

Hi. I'm the Debian maintainer. I just released the 3.3.0 release into Debian; it's there now. Ubuntu will pick it up when they make a new release, in a month...

We did some occlusion tests of an `tagStandard41h12` tag and the results were actually terrible. ![Screenshot from 2022-10-07 16-41-32](https://user-images.githubusercontent.com/7090417/194580759-9c00ab32-cf89-4231-82dd-5460c2a7db6a.png) ![Screenshot from 2022-10-07 16-42-11](https://user-images.githubusercontent.com/7090417/194580771-5ef4c85e-9e7c-488a-a827-065ee53f5a29.png) ![Screenshot from 2022-10-07 16-42-18](https://user-images.githubusercontent.com/7090417/194580781-44151ecb-2ae8-4828-a576-c8370b06e89a.png) ![Screenshot from 2022-10-07...

**Describe the bug** I have built apriltag for windows using Visual Studio. When I run your apriltag_demo.c it shows the times for the various operations but they all show up...

When using large FOV fisheye camera image without undistortion, How to imporve the rate of detection and the accuracy of corners?