Category Archive: 3d

Feb 17

My first Thing on Thingiverse!

2017-02-17 09.18.33

Just wanted to share the first Thing I uploaded to Thingiverse (which is a huge open-source collection of 3D-printable or otherwise fabricateable objects). It's a 1/4-20 (standard camera mount) holder for a smartphone using a rubber band. I saw many designs that use screws to hold the phone in place, but I didn't have such …

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Dec 10

Model and render a folded paper with FreeCAD, Blender

Hello, I created a little video tutorial to model and render a folded piece of paper for a project I'm working on... Here it is, enjoy!

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Oct 17

Structure-from-Motion Toy Lib Upgrades to OpenCV 3

sfm toy lib

The toy SfM library is upgraded to OpenCV 3.x and gets a ton of simplifications.

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Apr 24

WTH OpenGL 4? Rendering elements arrays with VAOs and VBOs in a QGLWidget

Simple example usage of OpenGL 4 and vertex array / vertex buffer rendering in a Qt QGLWidget.

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Mar 16

Bootstrapping planar AR and tracking without markers [w/code]

Years ago I wanted to implement PTAM. I was young and na├»ve Well I got a few moments to spare on a recent sleepless night, and I set out to implement the basic bootstrapping step of initializing a map with a planar object - no known markers needed, and then tracking it for augmented reality …

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Feb 17

Augmented Reality on libQGLViewer and OpenCV-OpenGL tips [w/code]

How to create an augmented reality app with QGLViewer, including some tips on camera calibration and extrinsic parameters from OpenCV to OpenGL.

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Nov 09

Vertex array objects with shaders on OpenGL 2.1 & GLSL 1.2 [w/code]

Using VAOs and shaders under OpenGL 2.1 and GLSL 1.2

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Nov 04

Moving to Qt on the SfM-Toy-Library project

Qt GUI for SfMToyLib

New Qt GUI for SfMToyLib

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Nov 04

How I fell for QGLViewer for my Qt/OpenGL projects [w/ code]

A simple quick recipe for using OpenGL in Qt environment using libQGLViewer

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Oct 17

Head Pose Estimation with OpenCV & OpenGL Revisited [w/ code]

Using Perspective-N-Point to get the position and orientation of a human head, with basic OpenCV and OpenGL.

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