Tag Archive: sfm

Nov 04

Moving to Qt on the SfM-Toy-Library project

Qt GUI for SfMToyLib

New Qt GUI for SfMToyLib

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Aug 09

Decomposing the Essential matrix using Horn and Eigen [w/code]

Hi I've been working feverishly to straighten up the Structure from Motion Toy Library, and make it more robust. During my experiments with different methods I wanted to test out a different method for decomposing the Essential matrix to rotation R and translation t, other than that of Hartley and Zisserman using SVD. That's when …

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Feb 07

Structure from Motion and 3D reconstruction on the easy in OpenCV 2.3+ [w/ code]

Hello This time I'll discuss a basic implementation of a Structure from Motion method, following the steps Hartley and Zisserman show in "The Bible" book: "Multiple View Geometry". I will show how simply their linear method can be implemented in OpenCV. I treat this as a kind of tutorial, or a toy example, of how …

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Jan 04

Simple triangulation with OpenCV from Harley & Zisserman [w/ code]

Easily using OpenCV 2.3+ to triangulate points from known camera matrices and point sets.

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Mar 06

Implementing PTAM: stereo, tracking and pose estimation for AR with OpenCV [w/ code]

frames_correl

Hi Been working hard at a project for school the past month, implementing one of the more interesting works I've seen in the AR arena: Parallel Tracking and Mapping (PTAM) [PDF]. This is a work by George Klein [homepage] and David Murray from Oxford university, presented in ISMAR 2007. When I first saw it on …

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