Questions tagged [3d-reconstruction]
In computer vision and computer graphics, 3D reconstruction is the process of capturing the shape and appearance of real objects.
3d-reconstruction
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Color Mismatch and Depth Inconsistency in Point Cloud to RGB Image Conversion Using Open3D
I am working with Open3D to convert point cloud data into an RGB image. However, I'm encountering issues where the colors in the output image do not match those in the input point cloud. Additionally, ...
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reconstructing 3D points using cv2.triangulatePoints vs doing it with equations do not yield same results
In the provided code snippet, I am performing stereo triangulation to reconstruct 3D points from corresponding 2D points captured by two different cameras.
First, I loaded calibration data such as ...
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How can I generate a concave hull of 3D points?
I have 68 3d points (I'm guessing it's called a sparse point cloud). I want to connect them all together to create a mesh. I first tried this using Delaunay Triangulation. However, it didn't work well ...
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Getting weird mesh while trying 3d reconstruction
I am trying to implement 3d reconstruction using opencv however the triangulation result is very weird. I am not able to understand where I am going wrong with this.
Here is my code.
ThreeDReconstruct....
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Problem in running the environment.yml file
I cloned a repository from github and the environment.yml is not working properly. the dependencies that is present in the file are
dependencies:
_libgcc_mutex=0.1=main
_openmp_mutex=5.1=1_gnu
blas=1....
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Converting Front Hand View to Back Hand View or vice versa Using Python
I'm working on a hand pose estimation project where I've successfully used Google's MediaPipe to extract the hand skeleton from images of the front view of hands. I'm looking for a way to convert or ...
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Surface (mesh) reconstruction from 3 curves (bifurcation)
Consider that I am trying to create a surface (mesh) defined given two closed elliptical curves with the same z-coordinate and one closed elliptical curve with different z-coordinate (each represented ...
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How does matalb function pc2surfacemesh find a suitable spherical radius for ball-pivoting algorithm?
I was recently learning about the algorithm for reconstructing point cloud into meshe, and I focused on an algorithm called ball-pivoting. Looking through some open source code libraries, such as ...
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How to Get Started with Gaussian Splatting
Gaussian splatting has gained increasing popularity for its efficiency and effectiveness in reconstruction tasks.
I possess basic college-level knowledge of mathematics, and I have basic knowledge in ...
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Calculate Essential and Fundamental matrices using a calibrated camera using 4 co-planar point matches
Suppose I have two images of a scene with four co-planar 3D points and their corresponding 2D points in the images. I also have the camera calibration matrix, K.
I can then estimate the relative poses ...
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real time 3d reconstruction using stereo cameras
I am working on 3d reconstruction of objects in real time using Stereolabs ZED X camera. The point cloud generated by the camera has a few issues and so I was not able to use it for reconstruction. I ...
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How can I merge / align point clouds from scans (Lidar) to reconstruct an object in 3D in Python?
I am attempting to align two point clouds, one representing the upper portion of a rock and the other the lower part. These point clouds share a common section, which is the side of the rock. My ...
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Does unsupervised stereo matching recover relative depth or real depth?
What I know is that stereo matching recovers depth from disparity map using the formula depth = focal_length * baseline / disparity. And unsupervised monocular depth estimation can only recover ...
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COLMAP camera pose estimation issue
I was working with COLMAP to find camera poses on custom images. The images also have mask images. When I am using the COLMAP CLI, the commands are not executing and CMD is skipping the commands. In ...
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open3d and realsense camera L515 connection
I am trying to create a online reconstruction pipeline mode using open3d, the camera i am using is intel realsense L515. i have made the program that works on dataset, but when it comes to online ...
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