# \#pose-estimation **URL:** https://forum.opencv.org/tag/pose-estimation/143.md [Latest](https://forum.opencv.org/latest.md) · [Categories](https://forum.opencv.org/categories.md) · [Tags](https://forum.opencv.org/tags.md) --- ## [Arlekin\_modular\_input\_device\_01](https://forum.opencv.org/t/arlekin-modular-input-device-01/24750)
**Author:** [@timkarlov1](https://forum.opencv.org/u/timkarlov1)\ **Replies:** 0\ **Last updated:** [October 6, 2026, 2:35pm UTC](https://forum.opencv.org/t/arlekin-modular-input-device-01/24750 "2026-10-06T14:35:05Z")
Hello, I have just prepared a desktop solution for posing 3D characters. here is a link to the paper. I will appreciate if have some feedbacks and opinions about it. --- ## [Drift near FOV edges with ArduCam pose estimation (possible vignetting issue?)](https://forum.opencv.org/t/drift-near-fov-edges-with-arducam-pose-estimation-possible-vignetting-issue/23852)
**Author:** [@Costin](https://forum.opencv.org/u/Costin)\ **Replies:** 1\ **Last updated:** [September 3, 2025, 4:49pm UTC](https://forum.opencv.org/t/drift-near-fov-edges-with-arducam-pose-estimation-possible-vignetting-issue/23852 "2025-09-03T16:49:19Z")
Hi, I implemented a multi-view geometry pipeline in ROS to track an underwater robot’s pose using two fixed cameras: GoPro (bird’s-eye view) ArduCam B0497 (side view on tripod) A single fixed ArUco marker is vis… --- ## [Does get pose estimation on ball or spherical shape possible on tomato?](https://forum.opencv.org/t/does-get-pose-estimation-on-ball-or-spherical-shape-possible-on-tomato/18364)
**Author:** [@thesharkgeek](https://forum.opencv.org/u/thesharkgeek)\ **Replies:** 1\ **Last updated:** [July 28, 2024, 9:06am UTC](https://forum.opencv.org/t/does-get-pose-estimation-on-ball-or-spherical-shape-possible-on-tomato/18364 "2024-07-28T09:06:46Z")
Hi, im looking for a solution for my last assignment in polytechnic. I already implement canny edge and centroid estimate radius with some smoothing gaussian, deque every 2 sec is bit slow but can get job done for singl… --- ## [Not correct result of recoverPose() function](https://forum.opencv.org/t/not-correct-result-of-recoverpose-function/18020)
**Author:** [@as43](https://forum.opencv.org/u/as43)\ **Replies:** 0\ **Last updated:** [June 20, 2024, 7:36am UTC](https://forum.opencv.org/t/not-correct-result-of-recoverpose-function/18020 "2024-06-20T07:36:56Z")
I want to recover the relativ transformation from two poses using taken a image in that pose. Therefore Im using the recoverPose() function. The feature points are chessboard corners, which are found by the function find… --- ## [Charuco diamond detection error](https://forum.opencv.org/t/charuco-diamond-detection-error/15833)
**Author:** [@nick\_bakker](https://forum.opencv.org/u/nick_bakker)\ **Replies:** 0\ **Last updated:** [December 13, 2023, 2:22pm UTC](https://forum.opencv.org/t/charuco-diamond-detection-error/15833 "2023-12-13T14:22:41Z")
Hello, I am trying to detect a charuco diamond marker with opencv-contrib version 4.8.1.78. What I see in the documentation is that you first need to detect the aruco markers and then after that you use detectCharucoDia… --- ## [Aruco marker distance calculation off](https://forum.opencv.org/t/aruco-marker-distance-calculation-off/13026)
**Author:** [@tennisanders](https://forum.opencv.org/u/tennisanders)\ **Replies:** 3\ **Last updated:** [May 4, 2023, 5:03pm UTC](https://forum.opencv.org/t/aruco-marker-distance-calculation-off/13026 "2023-05-04T17:03:43Z")
I’m trying to detect an aruco marker and calculate the distance to it from the camera, but the results I’m getting are off by a factor of 2.37. I’ve measured the real physical distance to 63cm, but according to my tvecs… --- ## [Pose estimation values are offset from camera frame centre](https://forum.opencv.org/t/pose-estimation-values-are-offset-from-camera-frame-centre/12784)
**Author:** [@artem\_blanche](https://forum.opencv.org/u/artem_blanche)\ **Replies:** 1\ **Last updated:** [April 12, 2023, 3:43pm UTC](https://forum.opencv.org/t/pose-estimation-values-are-offset-from-camera-frame-centre/12784 "2023-04-12T15:43:01Z")
Hi, I’m setting up pose estimation using the aruco module and I’m finding that when I allign the aruco marker centre with the centre of the camera viewport, the tvec X and Y values are not at \[0, 0\]. Wondering if anyone… --- ## [Extracting People from video](https://forum.opencv.org/t/extracting-people-from-video/11525)
**Author:** [@omarelt](https://forum.opencv.org/u/omarelt)\ **Replies:** 1\ **Last updated:** [January 6, 2023, 7:42pm UTC](https://forum.opencv.org/t/extracting-people-from-video/11525 "2023-01-06T19:42:29Z")
I am working on a project where I am trying to extract animation using pose estimation from a video for a fighting game I am working on. The current method for pose estimation that I use only works for one character/per… --- ## [Change resulting tvec, rvec units from pixel to meters in aruco estimatePoseSingleMarkers](https://forum.opencv.org/t/change-resulting-tvec-rvec-units-from-pixel-to-meters-in-aruco-estimateposesinglemarkers/10030)
**Author:** [@najiib](https://forum.opencv.org/u/najiib)\ **Replies:** 6\ **Last updated:** [August 31, 2022, 9:48pm UTC](https://forum.opencv.org/t/change-resulting-tvec-rvec-units-from-pixel-to-meters-in-aruco-estimateposesinglemarkers/10030 "2022-08-31T21:48:44Z")
Hi all, I’m using aruco marker’s estimatePoseSingleMarker to get the pose of a single marker. I’m able to detect the marker and get the tvec and rvec. However the tvec and rvec I get are in pixel units since my camera m… --- ## [How to create a customized non-square aruco board](https://forum.opencv.org/t/how-to-create-a-customized-non-square-aruco-board/7948)
**Author:** [@DanielBilbao12](https://forum.opencv.org/u/DanielBilbao12)\ **Replies:** 6\ **Last updated:** [March 15, 2022, 12:01pm UTC](https://forum.opencv.org/t/how-to-create-a-customized-non-square-aruco-board/7948 "2022-03-15T12:01:11Z")
0 I am trying to find information and examples on how to create a custom aruco board. In my case, I need to place several markers on the surface of an object to perform pose detection. In this case, as the object is re… --- ## [Ambiguity problem in the detection of the ArUco marker when it is parallel to the camera plane](https://forum.opencv.org/t/ambiguity-problem-in-the-detection-of-the-aruco-marker-when-it-is-parallel-to-the-camera-plane/7783)
**Author:** [@DanielBilbao12](https://forum.opencv.org/u/DanielBilbao12)\ **Replies:** 2\ **Last updated:** [March 3, 2022, 12:00pm UTC](https://forum.opencv.org/t/ambiguity-problem-in-the-detection-of-the-aruco-marker-when-it-is-parallel-to-the-camera-plane/7783 "2022-03-03T12:00:01Z")
System information (version) OpenCV =\> 4.5.5 Operating System / Platform =\> Windows 10, 64 Bit Compiler/IDE=\> Pycharm 2021.3.2 Language =\> Python 3.9 Detailed description I am developing a vision system based on ArUco … --- ## [AruCo Marker Distance in TVEC is wrong](https://forum.opencv.org/t/aruco-marker-distance-in-tvec-is-wrong/7681)
**Author:** [@remarcable](https://forum.opencv.org/u/remarcable)\ **Replies:** 5\ **Last updated:** [February 23, 2022, 6:00pm UTC](https://forum.opencv.org/t/aruco-marker-distance-in-tvec-is-wrong/7681 "2022-02-23T18:00:32Z")
Hello, I am currently working on an algorithm to use ArUco Markers to calculate the exact position of my camera in real world coordinate system with the center of the ArUco Marker beeing the coordinate (0,0,0). The pro… --- ## [Estimation of 3D pose of object from multi mono camera setup](https://forum.opencv.org/t/estimation-of-3d-pose-of-object-from-multi-mono-camera-setup/5849)
**Author:** [@ccv3840](https://forum.opencv.org/u/ccv3840)\ **Replies:** 0\ **Last updated:** [October 26, 2021, 8:27am UTC](https://forum.opencv.org/t/estimation-of-3d-pose-of-object-from-multi-mono-camera-setup/5849 "2021-10-26T08:27:00Z")
I have a setup where 2 mono-cameras (not the stereo camera) have the same region of view, and I have to detect a 3D pose of a certain object (let’s say, human). So far what I have understood, I have to perform the follo… --- ## [Trying to calculate distance and direction between an ArUco marker and two cameras](https://forum.opencv.org/t/trying-to-calculate-distance-and-direction-between-an-aruco-marker-and-two-cameras/5463)
**Author:** [@JoshDavisNC](https://forum.opencv.org/u/JoshDavisNC)\ **Replies:** 3\ **Last updated:** [October 4, 2021, 8:15pm UTC](https://forum.opencv.org/t/trying-to-calculate-distance-and-direction-between-an-aruco-marker-and-two-cameras/5463 "2021-10-04T20:15:42Z")
First a quick question. If I specify my marker length in meters when I call aruco.estimatePoseSingleMarkers , should I expect to be able to call np.linalg.norm on a resulting translation vector to get the distance to the… --- ## [Calibration of non-overlapping cameras](https://forum.opencv.org/t/calibration-of-non-overlapping-cameras/4217)
**Author:** [@mikor13](https://forum.opencv.org/u/mikor13)\ **Replies:** 1\ **Last updated:** [July 7, 2021, 6:29pm UTC](https://forum.opencv.org/t/calibration-of-non-overlapping-cameras/4217 "2021-07-07T18:29:51Z")
Hello everyone, thank you for taking time to check this post. My question is the following: I have 4 non-overlapping cameras that make a camera rig and I want to find the relative position of each camera in respect to t… --- ## [Pose estimation of a textureless box](https://forum.opencv.org/t/pose-estimation-of-a-textureless-box/2867)
**Author:** [@JanP](https://forum.opencv.org/u/JanP)\ **Replies:** 4\ **Last updated:** [April 27, 2021, 6:42pm UTC](https://forum.opencv.org/t/pose-estimation-of-a-textureless-box/2867 "2021-04-27T18:42:14Z")
Hi, I have a box (which has no texture) and I want to estimate its pose. The problem is, that I cant detect any key points, because of the missing texture. Another attempt (to detect the edges) also failed because of to… --- ## [How to determine the center coordinate of an ArUco marker board?](https://forum.opencv.org/t/how-to-determine-the-center-coordinate-of-an-aruco-marker-board/2658)
**Author:** [@SpecialYong](https://forum.opencv.org/u/SpecialYong)\ **Replies:** 2\ **Last updated:** [April 9, 2021, 3:12pm UTC](https://forum.opencv.org/t/how-to-determine-the-center-coordinate-of-an-aruco-marker-board/2658 "2021-04-09T15:12:34Z")
I have a 2 \* 3 ArUco markerboard, and I want to know the transformation (rotation and translation vectors) from the center of the board (the blue dot in the picture) to the camera. By calling estimatePoseBoard function, … --- ## [Aruco exact pose detection](https://forum.opencv.org/t/aruco-exact-pose-detection/2111)
**Author:** [@MohamadHalwani](https://forum.opencv.org/u/MohamadHalwani)\ **Replies:** 1\ **Last updated:** [March 14, 2021, 1:25pm UTC](https://forum.opencv.org/t/aruco-exact-pose-detection/2111 "2021-03-14T13:25:51Z")
Hi everyone, I was successfully able to estimate the pose of aruco markers on the board, a question that I couldn’t find an answer to is this tvec and rvec thing is from the camera center to which exact point on the aru…