#computer-vision #sfm #models #pipeline #camera #truth #gltf

models-cv

Groundtruth Data Generation for SFM Pipelines using CG Models

1 unstable release

0.1.0 Aug 18, 2023

#2 in #sfm

22 downloads per month

BSD-3-Clause

63KB
479 lines

models-cv

Crate for loading gltf/obj files and projecting the verticies using camera models. Used to crate ground truth features for SFM pipelines.

See save_points examples on how the camera/trajectories are defined.

Coordiante System

Currently the views/feautres are defined in the Computer Graphics coordinate system of +X Right, +Y Up, +Z Back

For a Computer Vision coordiante system roate poses around +X with a value of PI. For features invert the y component.

Assets

GLTF: https://github.com/KhronosGroup/glTF-Sample-Models/tree/master/2.0 (Suzanne)

OBJ: https://github.com/odedstein/meshes (Sphere)

Sphere

sphere sphere sphere

Suzanne

suzanne suzanne suzanne suzanne suzanne suzanne suzanne

Dependencies

~6.5MB
~137K SLoC